{"source_code": "#include <stdio.h>\n\n#define N\t500\n#define A\t500\n#define M\t512\n#define MD\t998244353\n\nint main() {\n\tstatic int dp[N + 1][A + 1], pp[M][M], ch[M][M];\n\tint n, a_, i, j, k, k_, a;\n\n\tscanf(\"%d%d\", &n, &a_);\n\tfor (a = 1; a < M; a++) {\n\t\tpp[a][0] = 1;\n\t\tfor (k = 1; k < M; k++)\n\t\t\tpp[a][k] = (long long) pp[a][k - 1] * a % MD;\n\t}\n\tch[0][0] = 1;\n\tfor (i = 1; i < M; i++) {\n\t\tch[i][0] = 1;\n\t\tfor (j = 1; j < M; j++)\n\t\t\tch[i][j] = (ch[i - 1][j] + ch[i - 1][j - 1]) % MD;\n\t}\n\tfor (a = 1; a <= a_; a++)\n\t\tdp[0][a] = 1;\n\tfor (k = 2; k <= n; k++)\n\t\tfor (a = 1; a <= a_; a++)\n\t\t\tif (a <= k - 1)\n\t\t\t\tdp[k][a] = pp[a][k];\n\t\t\telse\n\t\t\t\tfor (k_ = 0; k_ <= k; k_++) \n\t\t\t\t\tdp[k][a] = (dp[k][a] + (long long) dp[k - k_][a - (k - 1)] % MD * ch[k][k_] % MD * pp[k - 1][k_]) % MD;\n\tprintf(\"%d\\n\", dp[n][a_]);\n\treturn 0;\n}\n", "src_uid": "1908d1c8c6b122a4c6633a7af094f17f"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint i,a,b,c,k;\n\tscanf(\"%d%d%d\",&a,&b,&c);\n\tfor(i=1;i<=b;i++)\n\t{\n\t\tk=(a*10)/b;\n\t\ta=(a*10)-(k*b);\n\t\tif(k==c)\n\t\t{\n\t   printf(\"%d\",i);\t\n\t   break;}\n\t   else\n\t   continue;\n}\nif( i==b+1 )\nprintf(\"-1\");\nelse\nreturn 0;\n}", "src_uid": "0bc7bf67b96e2898cfd8d129ad486910"}
{"source_code": "#include<stdio.h>\nint main()\n{\nlong long int n, d,sum=0;\nscanf(\"%lld\",&n);\nscanf(\"%lld\",&d);\nprintf(\"\\n\");\nint i,t[100];\nfor(i=0;i<n;i++)\n{\nscanf(\"%lld\",&t[i]);\nsum = t[i]+sum;\n}\nif(sum+(n-1)*10>d)//uske gaane aur resting time ka sum smaller than total time\nprintf(\"-1\");\nelse\nprintf(\"%d\",(d-sum)/5);\n\nreturn 0;\n}\n", "src_uid": "b16f5f5c4eeed2a3700506003e8ea8ea"}
{"source_code": "#include<stdio.h>\nint isPrime(int n);\nint main()\n{\n    int n;\n    scanf(\"%d\",&n);\n    int i;\n    for(i=1; ; i++)\n    {\n        int s;\n        s = ((n*i)+1);\n        if(isPrime(s)==0)\n        {\n            printf(\"%d\\n\",i);\n            break;\n        }\n    }\n    return 0;\n}\nint isPrime(int n)\n{\n    int i;\n    for(i=2; i*i<=n; i++)\n    {\n        if(n%i==0)\n            return 0;\n    }\n    return 1;\n}", "src_uid": "5c68e20ac6ecb7c289601ce8351f4e97"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int i,k,max=0,n,arr[1000],str[1000]={};\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&arr[i]);\n        k=arr[i];\n        ++str[k];\n    }\n    for(i=0;i<1000;i++)\n    {\n        if(str[i]>max)\n        max=str[i];\n    }\n    printf(\"%d\\n\",max);\n    return 0;\n}\n", "src_uid": "f30329023e84b4c50b1b118dc98ae73c"}
{"source_code": "int n,m=1;\nint main()\n{\n    scanf(\"%i\",&n);\n    if(n)while(--n)m=(m*3)%1000003;\n    printf(\"%i\",m);\n    return 0;\n}\n", "src_uid": "1a335a9638523ca0315282a67e18eec7"}
{"source_code": "#include <stdio.h>\n\nint main(void)\n{\n  unsigned box[5][5];\n  int i,j,k,l,m;\n  for(i=0;i<5;i++)\n    for(j=0;j<5;j++)\n      scanf(\"%u\",&box[i][j]);\n\n  unsigned sum = 0, max =0;\n  for(i=0;i<5;i++)\n    for(j=0;j<5;j++)\n      {\n\tif(j==i) continue;\n\tfor(k=0;k<5;k++)\n\t  {\n\t    if(k == j || k ==i) continue;\n\t    for(l=0;l<5;l++)\n\t      {\n\t\tif(l == j || l == k || l== i) continue;\n\t\tfor(m=0;m<5;m++)\n\t\t  {\n\t\t    if(m==j || m==l || m==k || m==i) continue;\n\t\t    sum += box[i][j] + box[j][i] + box[j][k] + box[k][j] + ((box[k][l] + box[l][k] + box[l][m] + box[m][l])<<1);\n\t\t    if(sum > max) max = sum;\n\t\t    sum = 0;\n\t\t  }\n\t      }\n\t  }\n      }\n  printf (\"%u\\n\",max);\n  return 0;\n}\n", "src_uid": "be6d4df20e9a48d183dd8f34531df246"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main(){\nint a,b,c;\nscanf(\"%d %d %d\",&a,&b,&c);\nint x = sqrt(  a * b / c );\nint z = b / x;\nint y = c / z;\nint s = 4 * (x + y + z);\nprintf(\"%d\",s);\nreturn 0;\n}", "src_uid": "c0a3290be3b87f3a232ec19d4639fefc"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <ctype.h>\n#include <math.h>\n#include <limits.h>\n\nint ball[128], n, ans;\nvoid merge(int l, int r, int c)\n{\n\tans++;\n\tfor ( ; l>=0 && ball[l]==c; l--)\n\t\tans++;\n\tfor ( ; r<n && ball[r]==c; r++)\n\t\tans++;\n\tif (l==0 && r==n)\n\t\treturn;\n\tif (l==0 && r+2<n\n\t&& ball[r]==ball[r+1] && ball[r]==ball[r+2])\n\t\tmerge(r, r+2, ball[r]);\n\telse if (r==n && l>1\n\t&& ball[l]==ball[l-1] && ball[l]==ball[l-2])\n\t\tmerge(l-2, l, ball[l]);\n\telse if (l>0 && ball[l]==ball[r] && ball[l-1]==ball[r])\n\t\tmerge(l-1, r, ball[l]);\n\telse if (r<n-1 && ball[l]==ball[r] && ball[l]==ball[r+1])\n\t\tmerge(l, r+1, ball[l]);\n\t\n\treturn;\n}\n\nint main(void)\n{\n\tint k, i, max;\n\n\tscanf(\"%d%*d%d\", &n, &k);\n\tfor (i=0; i<n; i++)\n\t\tscanf(\"%d\", &ball[i]);\n\tmax = 0;\n\tfor (i=0; i<n; i++)\n\t\tif (ball[i]==k && ball[i+1]==k) {\n\t\t\tans = -1;\n\t\t\tmerge(i, i+1, k);\n\t\t\tif (ans > max)\n\t\t\t\tmax = ans;\n\t\t}\n\tprintf(\"%d\\n\", max);\n\n\treturn 0;\n}\n", "src_uid": "d73d9610e3800817a3109314b1e6f88c"}
{"source_code": "#include <stdio.h>\n\nint main(){\n    int n;\n    scanf(\"%d\",&n);\n    int arr[n];\n    for (int i=0; i<n; i++)\n        scanf(\"%d\", &arr[i]);\n    if (n%2==1 && arr[0]%2==1 && arr[n-1]%2==1)\n        puts(\"Yes\");\n    else\n        puts(\"No\");\n    return 0;\n}\n", "src_uid": "2b8c2deb5d7e49e8e3ededabfd4427db"}
{"source_code": "#include<stdio.h>\nshort main(){\nchar a[102];\nint n,d,i=0,jumb=0,j=0,conf=0;\nscanf(\"%d \",&n);\nscanf(\"%d \",&d);\nfgets( a,102,stdin);\nwhile(1){\n    conf=0;\n    if(a[i+d]-48==1){jumb++;i+=d;conf=1;}\n    else {\n    for(j=d+i-1;j>i;j--)\n    if(a[j]-48==1){jumb++;i+=(j-i);conf=1;break;}\n    }\n\n    if(conf==0)break;\n    if(i==n-1)break;\n}\n\n    printf(\"%d\",(conf==0)? -1:jumb);\n\n\treturn 0;\n}", "src_uid": "c08d2ecdfc66cd07fbbd461b1f069c9e"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,i,k=0,x,d,r,p;\n    scanf(\"%lld %lld\",&n,&p);\n    i=1;\n    while(k==0)\n    { \n      d=0;\n      \n      \n      x=n-i*p;\n      if(x<=0)\n      {printf(\"-1\");\n       break;\n      }\n      else\n      {\n       while(x!=0)\n       {\n         r=x%2;\n         if(r==1)\n         {d++;}\n         if(d>i)\n         {\n          break;\n         }\n         x=x/2;\n       }\n       x=n-i*p;\n       if(d<=i&&i<=x)\n       {\n        printf(\"%lld\",i);\n        break;\n       }\n      }\n      i++;\n    }\n    return 0;\n}\n          \n          \n          \n          \n          \n          \n          \n      ", "src_uid": "9e86d87ce5a75c6a982894af84eb4ba8"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int i=1,n,v=2;\n    scanf(\"%d\",&n);\n    while(1)\n    {\n        if(i==n)\n        {\n            printf(\"YES\");\n            break;\n        }\n        else if(i>n)\n        {\n            printf(\"NO\");\n            break;\n        }\n        else\n        {\n            i=i+v;\n            v++;\n        }\n    }\n    \n        \n    return 0;\n}\n", "src_uid": "587d4775dbd6a41fc9e4b81f71da7301"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\nint main(void)\n{\n    int s, x1, x2, p, d1, t1, t2, ans = 0;\n    scanf(\"%d%d%d%d%d%d%d\", &s, &x1, &x2, &t1, &t2, &p, &d1);\n    int t_ig = abs(x1 - x2) * t2;\n    int t_tr;\n\n        if (d1 > 0 && p > x1 && p <= x2)\n            t_tr = (2*s - p + x2)*t1;\n        if  (d1 < 0 && p < x1 && p >= x2 )\n            t_tr = (2*s - x2 + p)*t1;\n\n    if (p <= x1 && x1 <= x2 && d1 > 0 || x2 <= x1 && x1 <= p && d1 < 0)\n        t_tr = abs(p - x2) * t1;\n\n    if ( p <= x2 && d1 < 0)\n        t_tr = (p + x2) * t1;\n\n    if (p >= x2 && d1 > 0)\n        t_tr = (2*s - p - x2) * t1;\n\n    if (p <= x2 && x2 <= x1){\n        if (d1 > 0)\n            t_tr = (s - p + s - x2) * t1;\n        else\n            t_tr = (s + p + s - x2) * t1;\n    }\n    if (p >= x2 && x2 >= x1){\n        if (d1 < 0)\n            t_tr = (p + x2) * t1;\n        else\n            t_tr = (s + x2 + s - p) * t1;\n    }\n\n    if (t_tr >= t_ig)\n        ans = t_ig;\n    else\n        ans = t_tr;\n    printf(\"%d\", ans);\n    return 0;\n}\n", "src_uid": "fb3aca6eba3a952e9d5736c5d8566821"}
{"source_code": "#include <stdio.h>\n#define MOD 1000000007\n\nint K;\nlong long PA,PB,ans;\n\nlong long INV1,INV2;\nlong long f[1010][2010];\n\nlong long power(long long a,int b)\n{\n    long long y = 1;\n    for(;b;b>>=1)\n    {\n        if(b&1) y = y * a % MOD;\n        a = a * a % MOD;\n    }\n    return y;\n}\n\nint main()\n{\n    int i,j;\n    long long x,y;\n\n    scanf(\"%d%I64d%I64d\",&K,&PA,&PB);\n    INV1 = power(PA+PB,MOD-2);\n    INV2 = power(PB,MOD-2);\n\n    f[1][0] = 1;\n    for(i=1;i<=K;i++) for(j=(i==1);j<=2*K;j++)\n    {\n        if(j < K) f[i][j] = f[i-1][j] * PA % MOD * INV1 % MOD;\n        if(j >= i && j-i < K) f[i][j] = (f[i][j] + f[i][j-i] * PB % MOD * INV1) % MOD;\n    }\n\n    for(i=1;i<K;i++) for(j=K;j<=2*K;j++) ans = (ans + j*f[i][j]) % MOD;\n    for(i=0;i<K;i++) ans = (ans + (PA*INV2 + K+i) % MOD * f[K][i]) % MOD;\n\n    printf(\"%I64d\\n\",ans);\n    return 0;\n}\n", "src_uid": "0dc9f5d75143a2bc744480de859188b4"}
{"source_code": "#include <stdio.h>\n#include <string.h>\ntypedef long long ll;\nint left[10];\nint n;\nchar seen[3628800];\n\nll fact[21];\n\n/*  must be called before using rank/unrank */\nvoid initfact() {\n  int i;\n  fact[0]=1;\n  for(i=1;i<21;i++) fact[i]=fact[i-1]*i;\n}\n\nll permbtr(int n,int *p,int *q) {\n  int s,t;\n  if(n<2) return 0;\n  s=p[n-1]; p[n-1]=p[q[n-1]]; p[q[n-1]]=s;\n  t=q[s];   q[s]=q[n-1];      q[n-1]=t;\n  return s+n*permbtr(n-1,p,q);\n}\n\n/*  return rank of permutation\n    n: number of elements\n    *p: permutation to rank */\n/*  warning, *p is destroyed! */\nll permutationrank2(int n,int *p) {\n  int i,q[16];\n  for(i=0;i<n;i++) q[p[i]]=i;\n  return permbtr(n,p,q);\n}\n\nint order[10];\n\nvoid btr() {\n    int t,i,j;\n    int p[10],r;\n    for(i=0;i<n;i++) p[i]=order[i];\n    r=permutationrank2(n,p);\n    seen[r]=1;\n    for(i=0;i<n-1;i++) if(left[i]) for(j=i+1;j<n;j++) if(left[j]) {\n        left[j]--; left[i]--;\n        t=order[j],order[j]=order[i],order[i]=t;\n//      printf(\"  throw %d %d\\n\",at,i);\n        btr();\n        left[j]++; left[i]++;\n        t=order[j],order[j]=order[i],order[i]=t;\n    }\n}\n\nint pre[11][11];\n\n\nvoid setpre() {\n    memset(pre,-1,sizeof(pre));\n    pre[8][0]=764;\n    pre[8][1]=1856;\n    pre[8][2]=4256;\n    pre[8][3]=8736;\n    pre[8][4]=16800;\n    pre[8][5]=26880;\n    pre[8][6]=40320;\n    pre[8][7]=40320;\n    pre[8][8]=40320;\n    pre[9][0]=2620;\n    pre[9][1]=6876;\n    pre[9][2]=16704;\n    pre[9][3]=38304;\n    pre[9][4]=78624;\n    pre[9][5]=151200;\n    pre[9][6]=241920;\n    pre[9][7]=362880+0;\n    pre[9][8]=362880;\n    pre[9][9]=362880;\n    pre[10][0]=9496;\n    pre[10][1]=26200;\n    pre[10][2]=68760;\n    pre[10][3]=167040;\n    pre[10][4]=383040;\n    pre[10][5]=786240;\n    pre[10][6]=1512000;\n    pre[10][7]=2419200;\n    pre[10][8]=3628800+0;\n    pre[10][9]=3628800;\n    pre[10][10]=3628800;\n}\n\nint main() {\n    int i,z=0,two;\n    initfact();\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++) scanf(\"%d\",&left[i]),order[i]=i;\n    /* precalced values */\n    setpre();\n    for(i=two=0;i<n;i++) if(left[i]>1) two++;\n    if(pre[n][two]>-1) {\n        printf(\"%d\\n\",pre[n][two]);\n        return 0;\n    }\n    \n    memset(seen,0,sizeof(seen));\n    btr();\n    for(i=0;i<3628800;i++) z+=seen[i];\n    printf(\"%d\\n\",z);\n    return 0;\n}\n", "src_uid": "91e8dbe94273e255182aca0f94117bb9"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n#define A\t5000\n#define N_\t(A * 3)\n#define INF\t0x3f3f3f3f3f3f3f3fLL\n\nlong long min(long long a, long long b) { return a < b ? a : b; }\n\nint oo[1 + (N_ - 1) * 2], oj[1 + (N_ - 1) * 2];\n\nint link(int o, int j) {\n\tstatic int _ = 1;\n\n\too[_] = o, oj[_] = j;\n\treturn _++;\n}\n\nint count(int n, int p) {\n\treturn n < p ? 0 : n / p + count(n / p, p);\n}\n\nint ae[N_], pp[N_], dd[N_], sz[N_], ii[A + 1], n;\n\nvoid init() {\n\tstatic char composite[A + 1];\n\tstatic int primes[A + 1];\n\tint n_, a, b, cnt, i, j;\n\n\tfor (a = 2; a <= A / a; a++) {\n\t\tif (composite[a])\n\t\t\tcontinue;\n\t\tfor (b = a * a; b <= A; b += a)\n\t\t\tcomposite[b] = 1;\n\t}\n\tcnt = 0;\n\tfor (a = 2; a <= A; a++)\n\t\tif (!composite[a])\n\t\t\tprimes[cnt++] = a;\n\tn_ = 0;\n\tpp[n_] = -1, dd[n_] = 0;\n\tii[1] = n_++;\n\tfor (a = 2; a <= A; a++) {\n\t\tint h, d, d_;\n\n\t\td = 0;\n\t\tfor (h = 0; h < cnt; h++)\n\t\t\td += count(a, primes[h]);\n\t\td_ = 0;\n\t\tfor (h = cnt - 1; h >= 0; h--) {\n\t\t\td_ += count(a - 1, primes[h]);\n\t\t\tif (a % primes[h] == 0)\n\t\t\t\tbreak;\n\t\t}\n\t\ti = ii[a - 1], j = -1;\n\t\twhile (1)\n\t\t\tif (dd[i] > d_)\n\t\t\t\tj = i, i = pp[i];\n\t\t\telse if (dd[i] == d_) {\n\t\t\t\tpp[n_] = i, dd[n_] = d, n_++;\n\t\t\t\tii[a] = n_ - 1;\n\t\t\t\tbreak;\n\t\t\t} else {\n\t\t\t\tint k = n_++;\n\n\t\t\t\tpp[k] = i, dd[k] = d_;\n\t\t\t\tif (j != -1)\n\t\t\t\t\tpp[j] = k;\n\t\t\t\tpp[n_] = k, dd[n_] = d, n_++;\n\t\t\t\tii[a] = n_ - 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t}\n\tfor (j = 1; j < n_; j++) {\n\t\ti = pp[j];\n\t\tae[i] = link(ae[i], j), ae[j] = link(ae[j], i);\n\t}\n}\n\nlong long dfs1(int p, int i) {\n\tint o;\n\tlong long x;\n\n\tx = (long long) sz[i] * dd[i];\n\tfor (o = ae[i]; o; o = oo[o]) {\n\t\tint j = oj[o];\n\t\t\n\t\tif (j != p) {\n\t\t\tx += dfs1(i, j);\n\t\t\tsz[i] += sz[j];\n\t\t}\n\t}\n\treturn x;\n}\n\nlong long ans;\n\nvoid dfs2(int p, int i, long long x) {\n\tint o;\n\n\tans = min(ans, x);\n\tfor (o = ae[i]; o; o = oo[o]) {\n\t\tint j = oj[o];\n\n\t\tif (j != p) {\n\t\t\tint w = abs(dd[i] - dd[j]);\n\n\t\t\tdfs2(i, j, x - (long long) sz[j] * w + (long long) (n - sz[j]) * w);\n\t\t}\n\t}\n}\n\nint main() {\n\tint i;\n\n\tinit();\n\tscanf(\"%d\", &n);\n\tfor (i = 0; i < n; i++) {\n\t\tint a;\n\n\t\tscanf(\"%d\", &a);\n\t\tsz[ii[a > 0 ? a : 1]]++;\n\t}\n\tans = INF;\n\tdfs2(-1, 0, dfs1(-1, 0));\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "40002052843ca0357dbd3158b16d59f4"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int l,i,t=0;\n    char a[100];\n    scanf(\"%s\",a);\n    l=strlen(a);\n    for(i=1;i<l;i++){\n        if(a[i]>=65 && a[i]<=90){\n        t++;\n        }\n    }\n    if(t==l-1){\n        for(i=0;i<l;i++){\n            if(a[i]>=97 && a[i]<=122) a[i]-=32;\n           else if(a[i]>=65 && a[i]<=90) a[i]+=32;    \n        }\n        printf(\"%s\",a);\n    }\n    else printf(\"%s\",a);\n    return 0;\n}", "src_uid": "db0eb44d8cd8f293da407ba3adee10cf"}
{"source_code": "#include<stdio.h>\n#define min(a,b) (a<b?a:b)\n\nint N,val[50005],day=1,mx=1e9+1,id;\n\nint main()\n{\n\tscanf(\"%d\",&N);\n\tif(N%7==0)\n\t{\n\t\tfor(int i=1,u;i<=N;i++)\n\t\t{\n\t\t\tscanf(\"%d\",&u);\n\t\t\tif(i%7&&u<mx)mx=u,id=i;\n\t\t}\n\t\treturn printf(\"%d\",id),0;\n\t}\n\tfor(int i=1,u;i<=N;i++)scanf(\"%d\",val+i),mx=min(mx,val[i]/6);\n\tfor(int i=1;i<=N;i++)val[i]-=mx*6-6;\n\twhile(1)\n\t{\n\t\tfor(int i=1;i<=N;i++,day++)\n\t\t\tif(day==7)day=0;\n\t\t\telse if(!--val[i])return printf(\"%d\",i),0;\n\t}\n}", "src_uid": "8054dc5dd09d600d7fb8d9f5db4dcaca"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    __int64 a,b,T=0;\n    scanf(\"%I64d%I64d\",&a,&b);\n    while (a!=b)\n    {\n        if (a==0) break;\n        if (a<b)\n        {\n            __int64 tmp=a;\n            a=b;\n            b=tmp;\n        }\n        T+=a/b;\n        a%=b;\n    }\n    if (a>0) T++;\n    printf(\"%I64d\\n\",T);\n    return 0;\n}\n", "src_uid": "792efb147f3668a84c866048361970f8"}
{"source_code": "#include<stdio.h>\n\n char num[120];\n int  main () \n{int n,i,n8=0;\nscanf(\"%d\",&n);\n\n\nscanf(\"%s\",num);\n\nfor(i=0;i<n;i++)\n{\nif(num[i]=='8')\nn8=n8+1;\n}\n\nint nb=0 ;\nwhile ((n>=11)&&(n8>=1))\n{n=n-11;\nn8=n8-1;\nnb=nb+1;\n}\n\nprintf(\"%d\",nb);\n\n}", "src_uid": "259d01b81bef5536b969247ff2c2d776"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#define ll long long\n#define MAX 162  // = 9*18\nll x,s,y,Upper_limit,Lower_limit,occ[MAX+2],ans,i;\nint isBig(ll a){ll sum=0, tmp=a;\n    while(tmp) sum+=tmp%10, tmp/=10;\n    return llabs(a-sum)>=s;\n}\nint main(){\n    scanf(\"%I64d%I64d\",&x,&s);\n    for(i=1;i<=MAX&&i<=x;i++)\n        if(isBig(i)) occ[i]=1;\n    Upper_limit = s+MAX;\n    Lower_limit = s+1;\n    if(x>Upper_limit) ans+=x-Upper_limit;\n    for(i=Lower_limit;i<=Upper_limit&&i<=x;i++)\n        if(isBig(i))\n            if(i<=MAX) occ[i]=1;\n            else ans++;\n    for(i=1;i<=MAX&&i<=x;i++)\n        if(occ[i]) ans++;\n    printf(\"%I64d\\n\", ans);\n}", "src_uid": "9704e2ac6a158d5ced8fd1dc1edb356b"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,m,x;\n    scanf(\"%lld %lld\",&n,&m);\n    x=m-n;\n    if(x>=10){\n        printf(\"0\\n\");\n    }\n    else{\n           long int temp,total=1,a[x+1];\n        for(int i=0;i<x;i++){\n            a[i]=m%10;\n            m=m-1;\n            total=total*a[i];\n        }\n        //printf(\"%ld\\n\",total);\n        temp=total%10;\n        printf(\"%ld\\n\",temp);\n    }\n    return 0;\n}\n", "src_uid": "2ed5a7a6176ed9b0bda1de21aad13d60"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int k, i, arr[26], start[26], idx = 0, sum = 0, idx2 = 1;\n    char q[105];\n    scanf(\"%d\", &k);\n    scanf(\"%s\", &q);\n    memset(arr, 0x00, sizeof(arr));\n    memset(start, 0x00, sizeof(start));\n    for (i = 0; i < strlen(q); i++){\n        if (!arr[q[i] - 'a']) {\n            arr[q[i] - 'a']++; sum++;\n            start[idx++] = i;\n        }\n    }\n    if (sum < k) printf(\"NO\");\n    else {\n        printf(\"YES\\n\");\n        idx = 0;\n        while (k--){\n            if (k){\n                int j = start[idx2++];\n                for (i = idx; i < j; i++) printf(\"%c\", q[i]);\n            }\n            else {\n                for (i = idx; i < strlen(q); i++) printf(\"%c\", q[i]);\n            }\n            idx = i;\n            printf(\"\\n\");\n        }\n    }\n    printf(\"\\n\");\n    return 0;\n}\n", "src_uid": "c1b071f09ef375f19031ce99d10e90ab"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#include<string.h>\n#define REP(i,a,b) for(i=a;i<b;i++)\n#define rep(i,n) REP(i,0,n)\n\nint main(){\n  int i,j,k,l,m,n;\n  int x1, x2, a, b, fg, fgg;\n  int mod;\n  int stone;\n\n  while(scanf(\"%d%d%d%d\",&x1,&x2,&a,&b)==4){\n    stone = x2 - x1;\n    fg = 0;\n    if(stone < 0) stone *= -1, k = a, a = b, b = k, a *= -1, b *= -1, fg = 1;\n    if(b <= 0){ puts(\"DRAW\"); continue; }\n\n    fgg = 0;\n    if(a <= 0) fgg = 1, a = 1;\n    mod = stone % (a+b);\n    if(mod == 0){\n      if(fgg) puts(\"DRAW\"); else puts(\"SECOND\");\n      continue;\n    }\n    if(mod < a || mod > b){\n      puts(\"DRAW\");\n      continue;\n    }\n\n    if(stone > b && fgg){\n      puts(\"DRAW\");\n      continue;\n    }\n\n    stone -= mod;\n    puts(\"FIRST\");\n    if(fg==0) printf(\"%d\\n\",x2-stone);\n    else      printf(\"%d\\n\",x2+stone);\n  }\n\n  return 0;\n}\n", "src_uid": "4ea8cc3305a0ee2c1e580b43e5bc46c6"}
{"source_code": "#include <stdio.h>\n\nint main(){\n\t\n\tint n,m;\n\tscanf(\"%d %d\",&n,&m);\n\tint b;\n\tif(n>m){\n\t\tb=n;\n\t\tn=m;\n\t\tm=b;\n\t}\n\tif(n==1){\n\t\tint mo=m%6;\n\t\tswitch(mo){\n\t\t\tcase 0:printf(\"%d\\n\",m);break;\n\t\t\tcase 1:printf(\"%d\\n\",m-mo);break;\n\t\t\tcase 2:printf(\"%d\\n\",m-mo);break;\n\t\t\tcase 3:printf(\"%d\\n\",m-mo);break;\n\t\t\tcase 4:printf(\"%d\\n\",m-2);break;\n\t\t\tcase 5:printf(\"%d\\n\",m-1);\n\t\t}\n\t}\n\telse if(n==2){\n\t\tif(m==2){\n\t\t\tprintf(\"%d\\n\",0);\n\t\t}\n\t\telse if(m==3){\n\t\t\tprintf(\"%d\\n\",4);\n\t\t}\n\t\telse if(m==7){\n\t\t\tprintf(\"%d\\n\",12);\n\t\t}\n\t\telse{\n\t\t\tprintf(\"%d\\n\",n*m);\n\t\t}\n\t}\n\telse{\n\t\tlong long mul=n;\n\t\tmul*=m;\n\t\tif(mul%2==0){\n\t\t\tprintf(\"%lld\\n\",mul);\n\t\t}\n\t\telse{\n\t\t\tprintf(\"%lld\\n\",mul-1);\n\t\t}\n\t}\n\t\n\treturn 0;\n}", "src_uid": "02ce135a4b276d1e9ba6a4ce37f2fe70"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n        int a, n;\n        while(scanf(\"%d%d\", &n, &a) > 0)\n        {       \n                int c[n+1];\n                int i = 1;\n                int num = 0;\n                while(i < n + 1)\n                {       \n                        scanf(\"%d\", &c[i++]);\n                }\n                i = 1;\n                while(i < n + 1)\n                {\n                        if (c[i])\n                        {\n                                num++;\n                                if (a - abs(a-i) > 0 && a + abs(a-i) <= n && (c[a - abs(a-i)] + c[a + abs(a-i)]) == 1)\n                                {       \n                                        num--;\n                                }\n                        }\n                        i++;\n                }\n                printf(\"%d\\n\", num);\n        }\n}\n", "src_uid": "4840d571d4ce6e1096bb678b6c100ae5"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\ntypedef long long ll;\ntypedef unsigned long long ull;\ntypedef unsigned int uint;\ntypedef unsigned long ulong;\n\nlong long int sort(long long int a[] , int n){\n    long long int tmp = 0;\n    for(ll  i = 1 ; i < n ; i++)\n        {\n            for(ll j = i ; j < n ; j++){\n                if(a[i] > a[j]){\n                    tmp = a[j];\n                    a[j] = a[i];\n                    a[i] = tmp;\n                }\n            }\n\n        }\n}\n\nlong long int min(long long int a , long long int b){\n    if(a > b)\n        return b;\n    return a;\n}\n#define For(i, n) for(i=0;i<(n);++i)\n#define ForL(i, m, n) for(i=(m);i<(n);++i)\n\n#define Clear(X) memset( (X), 0, sizeof( (X) ) )\n#define Fill(X) memset( (X), -1, sizeof( (X) ) )\n\n#define ArraySize(X) (sizeof(X)/sizeof(X[0]))\n\n\n\nvoid _main();\n\nint main() {\n  // COUNTER CODE STARTS HERE\n  _main();\n  // COUNTER CODE ENDS HERE\n\n  return 0;\n}\n\n// ACTUAL CODE STARTS BELOW\n\nll a, b, c, l;\nll ans = 0;\n\nll exclude(ll a, ll b, ll c, ll r) {\n  if (a < b + c) return 0;\n  ll v = min(r, a - b - c);\n  return ((v + 1) * (v + 2)) >> 1;\n\n}\n\nvoid _main() {\n    scanf(\"%d %d %d %d\", &a , &b , &c , &l);\n  for (ll i = 0; i <= l; ++i) {\n    ans += (((i + 1) * (i + 2)) >> 1);\n  }\n\n  for (ll i = 0; i <= l; ++i) {\n    ans -= exclude(a + i, b, c, l - i);\n    ans -= exclude(b + i, a, c, l - i);\n    ans -= exclude(c + i, b, a, l - i);\n  }\n    printf(\"%I64d\\n\", ans);\n}\n\n", "src_uid": "185ff90a8b0ae0e2b75605f772589410"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char s[105]; int i;\n    gets(s);\n    for(i=(strlen(s)-1);i>=0;i--)\n    {\n        if((s[i]>='a' && s[i]<='z') || (s[i]>='A' && s[i]<='Z'))\n        {\n            if(s[i] == 'A' || s[i] == 'E' || s[i] == 'I' || s[i] == 'O' || s[i] == 'U' || s[i] == 'Y' ||\n               s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u' || s[i] == 'y') {\n                printf(\"YES\");\n                return 0;\n            }\n            else\n            {\n                printf(\"NO\"); return 0;\n            }\n        }\n        else continue;\n    }\n\n    return 0;\n}\n", "src_uid": "dea7eb04e086a4c1b3924eff255b9648"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\nchar a[105];\nint judge(int );\nint max(int ,int );\nint max(int x,int y)\n{\n    return (x>y)?x:y;\n}\nint judge(int n)\n{\n    int i,p=1;\n    for(i=0;i<n&&p;i++)\n    {\n        if(a[i]!=a[i+n])\n        {\n            p=0;\n        }\n    }\n    return p;\n}\nint main()\n{\n    int n,i,ans=0;\n    scanf(\"%d%s\",&n,a);\n    i=n/2+1;\n    while(1)\n    {\n        if(judge(i)==1)\n        {\n            ans=max(ans,i-1);\n        }\n        i--;\n        if(i==0)\n        {\n            break;\n        }\n    }\n    printf(\"%d\\n\",n-ans);\n    return 0;\n}", "src_uid": "ed8725e4717c82fa7cfa56178057bca3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint ***sol;\nint N, K;\nconst int kInvalidSol = -10000;\nvoid new_sol() {\n\tsol = (int***)malloc(sizeof(int**) * (N + 1));\n\tfor (int n = 0; n <= N; ++n) {\n\t\tsol[n] = (int**)malloc(sizeof(int*) * (K + 1));\n\t\tfor (int k = 0; k <= K; ++k) {\n\t\t\tsol[n][k] = (int*)malloc(sizeof(int) * (N + 1));\n\t\t\tfor (int i = 0; i <= N; ++i) {\n\t\t\t\tsol[n][k][i] = kInvalidSol;\n\t\t\t}\n\t\t}\n\t}\n}\nvoid free_sol() {\n\tfor (int i = 0; i <= N; ++i) {\n\t\tfor (int j = 0; j <= K; ++j) {\n\t\t\tfree(sol[i][j]);\n\t\t}\n\t\tfree(sol[i]);\n\t}\n\tfree(sol);\n}\nvoid try_update_sol(int n, int k, int i, int value) {\n\tif (value >= 0 && sol[n][k][i] < value) {\n\t\tsol[n][k][i] = value;\n\t}\n}\nint main() {\n\tchar s[201], t[3];\n\tscanf(\"%d%d\\n%s\\n%s\", &N, &K, s, t);\n\t\n\tif (t[0] == t[1]) {\n\t\tint cc = 0;\n\t\tfor (int i = 0; i < N; ++i) {\n\t\t\tif (s[i] == t[0]) {\n\t\t\t\t++cc;\n\t\t\t}\n\t\t}\n\t\tcc += K;\n\t\tif (cc > N) {\n\t\t\tcc = N;\n\t\t}\n\t\tprintf(\"%d\\n\", cc * (cc - 1) / 2);\n\t\treturn 0;\n\t} \n\tnew_sol();\n\tint t0 = 0;\n\tsol[0][0][0] = 0;\n\tfor (int n = 1; n <= N; ++n) {\n\t\tif (s[n - 1] == t[0]) {\n\t\t\t++t0;\n\t\t\tif (t0 == 1) {\n\t\t\t\tsol[n][0][1] = 0;\n\t\t\t} else {\n\t\t\t\ttry_update_sol(n, 0, t0, sol[n - 1][0][t0 - 1]);\n\t\t\t}\n\t\t} else if (s[n - 1] == t[1]) {\n\t\t\ttry_update_sol(n, 0, t0, sol[n - 1][0][t0] + t0);\n\t\t} else {\n\t\t\ttry_update_sol(n, 0, t0, sol[n - 1][0][t0]);\n\t\t}\n\t\t// for (int k = cc; k <= K; ++k) {\n\t\t// \ttry_update_sol(n, k, 0, 0);\n\t\t// }\n\t}\n\tfor (int k = 1; k <= K; ++k) {\n\t\ttry_update_sol(1, k, 1, 0);\n\t\tfor (int n = 2; n <= N; ++n) {\n\t\t\tfor (int i = 1; i <= n; ++i) {\n\t\t\t\ttry_update_sol(n, k, i, sol[n][k - 1][i]);\n\t\t\t\tif (s[n - 1] == t[0]) {\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k][i - 1]);\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k - 1][i] + i);\n\t\t\t\t} else if (s[n - 1] == t[1]) {\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k][i] + i);\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k - 1][i - 1]);\n\t\t\t\t} else {\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k - 1][i - 1]);\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k - 1][i] + i);\n\t\t\t\t\ttry_update_sol(n, k, i, sol[n - 1][k][i]);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\t\t\n\tint max = 0;\n\tfor (int i = 1; i <= N; ++i) {\n\t\tif (sol[N][K][i] > max) {\n\t\t\tmax = sol[N][K][i];\n\t\t}\n\t}\n\tprintf(\"%d\\n\", max);\n\tfree_sol();\n\treturn 0;\n}", "src_uid": "9c700390ac13942cbde7c3428965b18a"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\n#define MAX_STRING_LEN 100000\n\nint main() \n{\n  \n  char S[MAX_STRING_LEN];\n  int l, i,b=0,c,d=0;\n  scanf(\"%d%s\",&i,&S);\n  for(c=0;c<i;c++)\n  {\n  \tif(S[c]=='F')\n  \t\tif(S[c+1]=='S')\n  \t\t\td++;\n  \tif(S[c]=='S')\n  \t\tif(S[c+1]=='F')\n  \t\t\tb++;\n  }\n \n  if(b<=d)\n  \tprintf(\"NO\");\n  else\n  \tprintf(\"YES\");\n  return 0;\n}", "src_uid": "ab8a2070ea758d118b3c09ee165d9517"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint f[80][80][80][2];\nint posV[80], posK[80], posX[80];\nint cntV[80], cntK[80], cntX[80];\nint NewDist(int pos, int nV, int nK, int nX) {\n\tint newPos;\n\tnewPos = 0;\n\tnewPos += nV > cntV[pos - 1] ? nV : cntV[pos - 1];\n\tnewPos += nK > cntK[pos - 1] ? nK : cntK[pos - 1];\n\tnewPos += nX > cntX[pos - 1] ? nX : cntX[pos - 1];\n\treturn newPos - (nV + nK + nX);\n}\n\n\nint main(int argc, char *argv[]) {\n\tint n, nV, nK, nX, i, j, k, t;\n\tchar str[80];\n\tscanf(\"%d\\n%s\", &n, str + 1);\n\tfor (i = 1, nV = nK = nX = 0; i <= n; ++i) {\n\t\tcntV[i] = cntV[i - 1];\n\t\tcntK[i] = cntK[i - 1];\n\t\tcntX[i] = cntX[i - 1];\n\t\tif (str[i] == 'V') ++cntV[posV[++nV] = i];\n\t\telse if (str[i] == 'K') ++cntK[posK[++nK] = i];\n\t\telse ++cntX[posX[++nX] = i];\n\t}\n\tmemset(f, 0x70, sizeof(f));\n\tf[0][0][0][0] = 0;\n\tfor (i = 0; i <= nV; ++i)\n\t\tfor (j = 0; j <= nK; ++j)\n\t\t\tfor (k = 0; k <= nX; ++k) {\n\t\t\t\tif (i) {\n\t\t\t\t\tt = f[i - 1][j][k][0] + NewDist(posV[i], i - 1, j, k);\n\t\t\t\t\tif (t < f[i][j][k][1]) f[i][j][k][1] = t;\n\t\t\t\t\tt = f[i - 1][j][k][1] + NewDist(posV[i], i - 1, j, k);\n\t\t\t\t\tif (t < f[i][j][k][1]) f[i][j][k][1] = t;\n\t\t\t\t}\n\t\t\t\tif (j) {\n\t\t\t\t\tt = f[i][j - 1][k][0] + NewDist(posK[j], i, j - 1, k);\n\t\t\t\t\tif (t < f[i][j][k][0]) f[i][j][k][0] = t;\n\t\t\t\t}\n\t\t\t\tif (k) {\n\t\t\t\t\tt = f[i][j][k - 1][0] + NewDist(posX[k], i, j, k - 1);\n\t\t\t\t\tif (t < f[i][j][k][0]) f[i][j][k][0] = t;\n\t\t\t\t\tt = f[i][j][k - 1][1] + NewDist(posX[k], i, j, k - 1);\n\t\t\t\t\tif (t < f[i][j][k][0]) f[i][j][k][0] = t;\n\t\t\t\t}\n\t\t\t}\n\tif (f[nV][nK][nX][0] < f[nV][nK][nX][1]) printf(\"%d\\n\", f[nV][nK][nX][0]);\n\telse printf(\"%d\\n\", f[nV][nK][nX][1]);\n\treturn 0;\n}", "src_uid": "08444f9ab1718270b5ade46852b155d7"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a,b,c=0,i;\n    char s[1000];\n    scanf(\"%s\",s);\n    if(strlen(s)>=5)\n    {\n        c++;\n    }\n    for(i=0; i<strlen(s); i++)\n    {\n        if(s[i]>='a'&&s[i]<='z')\n        {\n            c++;\n            break;\n        }\n    }\n    for(i=0; i<strlen(s); i++)\n    {\n        if(s[i]>='A'&&s[i]<='Z')\n        {\n            c++;\n            break;\n        }\n    }\n    for(i=0; i<strlen(s); i++)\n    {\n\n        if(s[i]>='0'&&s[i]<='9')\n        {\n            c++;\n            break;\n        }\n    }\n    if(c>=4)\n    {\n        printf(\"Correct\");\n    }\n    else\n    {\n        printf(\"Too weak\");\n    }\n}\n", "src_uid": "42a964b01e269491975965860ec92be7"}
{"source_code": "/*\n   Sachin Chandani\n   IIIT Hyderabad\n */\n\n#include<stdio.h>\n#include<limits.h>\n#include<string.h>\n#include<stdlib.h>\n#include<math.h>\n#include<stdbool.h>\ntypedef long long int ll;\n#define INF INT_MAX\nint min(int a,int b);\nvoid swap(int *a,int *b);\nvoid swap(int *a,int *b)\n{\n\tint temp=*a;\n\t*a=*b;\n\t*b=temp;\n}\nint cmp(const void *a,const void *b)\n{\n\treturn(*(int*)a-*(int*)b);\n\n}\nint min(int a,int b)\n{\n\treturn(a>b?b:a);\n}\n\nint main()\n{\n\tint A,B;\n\tscanf(\"%d%d\",&A,&B);\n\tint a2=0,b2=0,a3=0,b3=0,a5=0,b5=0;\n\tbool flag=false;\n\twhile(flag==false)\n\t{\n\t\tif(A%2==0)\n\t\t{\n\t\t\tA/=2;\n\t\t\ta2++;\n\t\t}\n\t\tif(A%3==0)\n\t\t{\n\t\t\tA/=3;\n\t\t\ta3++;\n\t\t}\n\t\tif(A%5==0)\n\t\t{\n\t\t\tA/=5;\n\t\t\ta5++;\n\t\t}\n\t\tif(B%2==0)\n\t\t{\n\t\t\tB/=2;\n\t\t\tb2++;\n\t\t}\n\t\tif(B%3==0)\n\t\t{\n\t\t\tB/=3;\n\t\t\tb3++;\n\t\t}\n\t\tif(B%5==0)\n\t\t{\n\t\t\tB/=5;\n\t\t\tb5++;\n\t\t}\n\t\tif(A%2!=0 && B%2!=0 && A%3!=0 && B%3!=0 && A%5!=0 && B%5!=0)\n\t\t{\n\t\t\tflag=true;\n\t\t}\n\n\t}\n\tprintf(\"%d\",(A!=B?-1:(abs(a2-b2)+abs(a3-b3)+abs(a5-b5))));\n\n\n\n\treturn 0;\n}\n\n", "src_uid": "75a97f4d85d50ea0e1af0d46f7565b49"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint i,n,a[12][12],b[12][12]={0},t=0,m,j,count=0;;\n\tscanf(\"%d%d\",&n,&m);\n\tgetchar();\n\tfor(i=1;i<=n;i++)\n\t{\n\t\tfor(j=1;j<=m;j++)\n\t\t{\n\t\t\ta[i][j]=getchar();\n\t\t\tif(a[i][j]=='P')\n\t\t\t\tb[i][j]=1;\n\t\t\tif(a[i][j]=='W')\n\t\t\t\tb[i][j]=2;\n\t\t}\n\t\tgetchar();\n\t}\n\tfor(i=1;i<=n;i++)\n\t\tfor(j=1;j<=m;j++)\n\t\t\tif(b[i][j]==2)\n\t\t\t{\n\t\t\t\tif(b[i-1][j]==1)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tb[i-1][j]=0;\n\t\t\t\t}\n\t\t\t\telse if(b[i][j-1]==1)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tb[i][j-1]=0;\n\t\t\t\t}\n\t\t\t\telse if(b[i+1][j]==1)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tb[i+1][j]=0;\n\t\t\t\t}\n\t\t\t\telse if(b[i][j+1]==1)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tb[i][j+1]=0;\n\t\t\t\t}\n\t\t\t}\n\n\tprintf(\"%d\\n\",count);\n\treturn 0;\n}\n \t\t  \t \t\t    \t\t   \t\t\t \t\t\t\t", "src_uid": "969b24ed98d916184821b2b2f8fd3aac"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n,k,i,t[100];\n    int j=0;\n    scanf(\"%d\",&n);\n    scanf(\"%d\",&k);\n\n\n\n    for(i=0; i<n; i++ )\n    {\n       scanf(\"%d\",&t[i]);\n\n    }\n\n    for(i=0; i<n ; i++)\n    {\n        if(t[i]<=k)\n            t[i]=0;\n        else\n            break;\n\n    }\n    for(i=0; i<n ; i++)\n    {\n        if(t[n-i-1]<=k)\n            t[n-i-1]=0;\n        else\n            break;\n\n    }\n    for(i=0; i<n ; i++)\n    {\n        if(t[i]==0)\n            j++;\n\n\n    }\n\n\n\n    printf(\"%d\",j);\n\n\n\n\n\n\n\n\n\n\n    return 0;\n}\n", "src_uid": "ecf0ead308d8a581dd233160a7e38173"}
{"source_code": "#include <stdio.h>\n\nmain()\n{\n   int i=0, j=0;\n   char a[103];\n   scanf(\"%s\", a);\n   for(int g=0; a[g]!='\\0'; g++)\n   {\n       if(a[g]=='o')\n        i++;\n       else \n        j++;\n   }\n   if(i==0 || (j>=i && j%i==0) || j==0)\n   {\n       printf(\"YES\");\n   }\n   else\n   {\n       printf(\"NO\");\n   }\n}", "src_uid": "6e006ae3df3bcd24755358a5f584ec03"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#define MAX(a, b) ((a) < (b) ? (b) : (a))\n\nstatic int n;\nstatic int B;\nstatic int A[100];\n// D[c][b] = best number of cuts with last cut being at position y and while\n// spending x bitcoins. Cut at position 0 = dummy base\nstatic int D[100][101];\nstatic int neven[101];\n\nint main(void)\n{\n        int i, j, k;\n        scanf(\"%d %d\\n\", &n, &B);\n\n        for (i = 0; i < n; i++)\n                scanf(\"%d\", &A[i]);\n\n        neven[0] = 0;\n        for (i = 1; i <= n; i++)\n                neven[i] = neven[i-1] + !(A[i-1] & 1);\n\n\n        D[0][0] = 0;\n        for (i = 1; i < n; i++) {  // for cut position\n                int b = abs(A[i] - A[i-1]); // cost of cut\n                for (j = 0; j < i; j++) {  // for last cut position\n                        if (neven[i] - neven[j] != \n                                i - j - (neven[i] - neven[j]))\n                                continue;\n\n                        for (k = 0; k <= B - b; k++)\n                                D[i][k+b] = MAX(D[i][k+b], D[j][k] + 1);\n                }\n        }\n\n        int best = 0;\n        for (i = 0; i < n; i++) {\n                /*\n                printf(\"Maybe %d? n=%d, neven[n] - neven[i] = %d\\n\",\n                       i, n, neven[n] - neven[i]);\n                       */\n                if (neven[n] - neven[i] != n - i - (neven[n] - neven[i]))\n                        continue;\n                /*\n                printf(\"HERE: %d\\n\", D[i][k]);\n                */\n                for (k = 0; k <= B; k++)\n                        best = MAX(best, D[i][k]);\n        }\n\n        printf(\"%d\\n\", best);\n\n        return 0;\n}\n", "src_uid": "b3f8e769ee7719ea5c9f458428b16a4e"}
{"source_code": "/*\n ============================================================================\n Name        : trial.c\n Author      : zizo\n Version     :\n Copyright   : Your copyright notice\n Description : Hello World in C, Ansi-style\n ============================================================================\n */\n\n#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n\tint numofFirst,numofSec,min1,min2,i,j;\n\tscanf(\"%d%d\",&numofFirst,&numofSec);\n\n\tint firsRow[numofFirst],secRow[numofSec];\n\tscanf(\"%d\",&firsRow[0]);\n\tmin1=firsRow[0];\n\tfor(i=1;i<numofFirst;i++){\n\t\tscanf(\"%d\",&firsRow[i]);\n\t\tif(firsRow[i]<min1){\n\t\t\tmin1=firsRow[i];\n\t\t}\n\t}\n\tscanf(\"%d\",&secRow[0]);\n\tmin2=secRow[0];\n\tfor(i=1;i<numofSec;i++){\n\t\tscanf(\"%d\",&secRow[i]);\n\t\tif(secRow[i]<min2){\n\t\t\tmin2=secRow[i];\n\t\t}\n\t}\n\n\tfor (i=0;i<numofFirst;i++){\n\t\tfor(j=0;j<numofSec;j++){\n\t\t\tif(secRow[j]==firsRow[i]){\n\t\t\t\tif(min1==min2 && min1 <firsRow[i]){\n\t\t\t\t\tprintf(\"%d\",min1);\n\t\t\t\t}else{\n\t\t\t\t\tprintf(\"%d\",firsRow[i]);\n\t\t\t\t}\n\t\t\t\treturn 0;\n\t\t\t\t}\n\t\t}\n\t}\n\n\tif(min1==min2){\n\t\tprintf(\"%d\",min1);\n\t}else if(min1<min2){\n\t\t//if min1 is found in array1 pint min 1\n\t\t\tprintf(\"%d%d\",min1,min2);\n\t}else{\n\t\tprintf(\"%d%d\",min2,min1);\n\t}\n\n/*\n *\n9 1\n\n5 4 2 3 6 1 7 9 8\n\n9\n *\n */\n\n}\n\n\n\n", "src_uid": "3a0c1b6d710fd8f0b6daf420255d76ee"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n\nchar c[101];\nint i,onedig[8][1],twodig[8][2],l,r,j,r1,k,t;\n//printf(\"kous\");\n\n//for(t=0;t<10;t++)\n//{\nfor(i=0;i<8;i++)\n{\n    onedig[i][0]=-1;\n    twodig[i][0]=-1;\n    twodig[i][1]=-1;\n}\nscanf(\"%s\",c);\nl=strlen(c);\n\nstrrev(c);\n\nfor(i=0;i<l;i++)\n{\n        r=(c[i]-'0')%8;\n        if(onedig[r][0]!=-1)\n             continue;\n        onedig[r][0]=i;\n\n}\n\nfor(i=1;i<l;i++)\n{\n    r=((c[i]-'0')*10)%8;\n     for(j=0;j<8;j++)\n     {\n         if(onedig[j][0]==-1)\n             continue;\n\n         if(onedig[j][0]>=i)\n                continue;\n         r1=(r+j)%8;\n         if(twodig[r1][0]!=-1)\n               continue;\n         twodig[r1][0]=onedig[j][0];\n         twodig[r1][1]=i;\n\n     }\n}\n\n\n\nfor(i=2;i<l;i++)\n{\n    r=((c[i]-'0')*100)%8;\n    for(j=0;j<8;j++)\n    {\n        if(twodig[j][0]==-1)\n             continue;\n\n        if(twodig[j][1]>=i)\n                continue;\n\n           r1=(r+j)%8;\n           if(r1==0)\n             break;\n\n\n\n    }\n\n    if(j<8)\n        break;\n\n\n}\n\nif(i==l||l<3)\n{\n\n    if(twodig[0][0]!=-1)\n    {\n    printf(\"YES\\n\");\n    printf(\"%d\\n\",(c[twodig[0][1]]-'0')*10+c[twodig[0][0]]-'0');\n      return 0 ;\n    }\n    if(onedig[0][0]!=-1)\n    {\n         printf(\"YES\\n\");\n    printf(\"%d\\n\",c[onedig[0][0]]-'0');\n    //continue ;\n    return 0;\n    }\n\n    printf(\"NO\\n\");\n}\nelse\n{\n\n\n    printf(\"YES\\n\");\n    for(k=l-1;k>=i;k--)\n\n        //if(k==i)\n\n            printf(\"%c\",c[k]);\n           // break;\n        //}\n    for(;k>twodig[j][1];k--){}\n    printf(\"%c\",c[k]);\n\n      for(;k>twodig[j][0];k--){}\n        printf(\"%c\",c[k]);\n\nprintf(\"\\n\");\n\n\n}\n//}\nreturn 0;\n}\n", "src_uid": "0a2a5927d24c70aca24fc17aa686499e"}
{"source_code": "/*\nID: mohamma73\nLANG: C\nTASK: crypt1\n*/\n\n#include\"stdio.h\"\n#include\"stdlib.h\"\n#include\"ctype.h\"\n#include\"math.h\"\n#include\"string.h\"\nstruct element{\n\tint val;\n\tint indx;\n};\nstruct person{\n\tint id;\n\tint n;\n\tint op[100];\n};\nstruct farmer{\n\tint p;\n\tint c;\n};\nvoid inc(int *a,int n){\n\tint i;\n\tif(a[0]!=2){\n\t\ta[0]++;\n\t\treturn;\n\t}\n\tfor(i=0;i<n && a[i]==2;i++)\n\t\ta[i]=0;\n\tif(i<n)\n\t\ta[i]++;\n}\nint cmp(char *s,char *t){\n\tint n=strlen(s);\n\tint m=strlen(t);\n\tint i,j;\n\tfor(i=0,j=0;i<n && j<m && s[i]==t[j];i++,j++);\n\tif(s[i]>t[j])\n\t\treturn 1;\n\telse if(s[i]<t[j])\n\t\treturn -1;\n\telse \n\t\treturn 0;\n\t\n}\nint getword(char *s,int n){\n\tint i;\n\tchar c;\n\twhile(isspace(c=getchar()));\n\tfor(i=0;i<n && !isspace(c);i++,c=getchar())\n\t\ts[i]=c;\n\ts[i++]='\\0';\n\treturn i-1;\n}\nint fgetword(char *s,int n,FILE *fp){\n\tint i;\n\tchar c;\n\twhile(isspace(c=getc(fp)));\n\tfor(i=0;i<n && !isspace(c) && c!=EOF;i++,c=getc(fp))\n\t\ts[i]=c;\n\ts[i++]='\\0';\n\treturn i-1;\n}\nlong long atll(char *s){\n\tlong long n=0;\n\tint i;\n\tfor(i=0;s[i]!='\\0';i++){\n\t\tn*=10;\n\t\tn+=(s[i]-'0');\n\t}\n\treturn n;\n}\nint Bsear(char *s,char words[][13],int n){\n\tint l=0;\n\tint h=n;\n\tint mid;\n\twhile(l<h){\n\t\tmid=(l+h)/2;\n\t\tif(cmp(words[mid],s)==0)\n\t\t\treturn 1;\n\t\telse if(cmp(words[mid],s)==1){\n\t\t\th=mid;\n\t\t}else\n\t\t\tl=mid+1;\n\t}\n\treturn -1;\n}\nvoid func(int *n,int base,int num){\n\tint i=0;\n\twhile(num/base!=0){\n\t\tn[i++]=num%base;\n\t\tnum/=base;\n\t}\n\tn[i++]=num;\n\tn[i++]=20;\n}\nint pal(int *n){\n\tint i,j;\n\tfor(i=0;n[i]!=20;i++);\n\tfor(j=0;j<i/2 && n[j]==n[i-j-1];j++);\n\tif(j==i/2)\n\t\treturn 1;\n\treturn 0;\n}\nint ispal(char *s, int i, int j){\n\tint k;\n\tfor(k=0;k<((j-i+1)/2) && s[i+k]==s[j-k];k++);\n\tif(k==(j-i+1)/2)\n\t\treturn 1;\n\treturn 0;\n}\nvoid insort(int *a,int n){\n\tint i,j,temp;\n\tfor(i=1;i<n;i++){\n\t\tj=i;\n\t\twhile(j>0 && a[j]<a[j-1]){\n\t\t\ttemp=a[j-1];\n\t\t\ta[j-1]=a[j];\n\t\t\ta[j]=temp;\n\t\t\tj--;\n\t\t}\n\t}\n}\nchar lower(char c){\n\treturn c<'a'?c+('a'-'A'):c;\n}\nvoid merge(struct element *a,int l,int q,int n){\n\tint n1=q-l+1;\n\tint i,j,k;\n\tint n2=n-q;\n\tstruct element L[n1+1];\n\tstruct element R[n2+1];\n\tfor(i=0;i<n1;i++)\n\t\tL[i]=a[l+i];\n\tfor(i=0;i<n2;i++)\n\t\tR[i]=a[q+i+1];\n\tL[n1].val=100002;\n\tR[n2].val=100002;\n\ti=0;\n\tj=0;\n\tfor(k=l;k<=n;k++)\n\t\tif(L[i].val<=R[j].val){\n\t\t\ta[k]=L[i];\n\t\t\ti++;\n\t\t}else{\n\t\t\ta[k]=R[j];\n\t\t\tj++;\n\t\t}\n}\nvoid mergesort(struct element *a,int l,int n){\n\tif(n>l){\n\t\tint q=(l+n)/2;\n\t\tmergesort(a,l,q);\n\t\tmergesort(a,q+1,n);\n\t\tmerge(a,l,q,n);\n\t}\n}\nint isOkay(int a,int *s , int n){\n\tif(a<100 || a>=1000)\n\t\treturn 0;\n\tint c,i;\n\twhile(a/10>0){\n\t\tc=0;\n\t\tfor(i=0;i<n;i++)\n\t\t\tif(a%10==(s[i]-'0')){\n\t\t\t\tc=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tif(!c)\n\t\t\treturn 0;\n\t\ta/=10;\n\t}\n\tc=0;\n\tfor(i=0;i<n;i++)\n\t\tif(a==(s[i]-'0')){\n\t\t\tc=1;\n\t\t\tbreak;\n\t\t}\n\tif(c)\n\t\treturn 1;\n\treturn 0;\n}\nint isOkay2(int a,int *s , int n){\n\tif(a<1000 || a>=10000)\n\t\treturn 0;\n\tint c,i;\n\twhile(a/10>0){\n\t\tc=0;\n\t\tfor(i=0;i<n;i++)\n\t\t\tif(a%10==(s[i]-'0')){\n\t\t\t\tc=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tif(!c)\n\t\t\treturn 0;\n\t\ta/=10;\n\t}\n\tc=0;\n\tfor(i=0;i<n;i++)\n\t\tif(a==(s[i]-'0')){\n\t\t\tc=1;\n\t\t\tbreak;\n\t\t}\n\tif(c)\n\t\treturn 1;\n\treturn 0;\n}\nvoid sort(int *a,int n){\n\tint i,j,temp;\n\tfor(i=1;i<n;i++)\n\t\tfor(j=i;j>0 && a[j-1]>a[j];j--){\n\t\t\t\ttemp=a[j];\n\t\t\t\ta[j]=a[j-1];\n\t\t\t\ta[j-1]=temp;\n\t\t\t\n\t\t}\n}\nvoid fun(int n,char *s){\n\tint i=0;\n\tfor(i=0;n/10!=0;i++,n/=10)\n\t\ts[i]=n%10+'0';\n\ts[i++]=n+'0';\n\ts[i]='\\0';\n}\nvoid sortIn(int *a,int *indx,int n){\n\tint t1;\n\tint i,j;\n\tfor(i=1;i<n;i++)\n\t\tfor(j=i;j>0 && a[j-1]>a[j];j--){\n\t\t\tt1=a[j-1];\n\t\t\ta[j-1]=a[j];\n\t\t\ta[j]=t1;\n\t\t\tt1=indx[j-1];\n\t\t\tindx[j-1]=indx[j];\n\t\t\tindx[j]=t1;\n\t\t}\n}\nint valid(int *a,int l,int r,int n){\n\tint f=0;\n\tif(l>0 && a[l-1]>a[r])\n\t\tf=1;\n\tif(a[l+1]<a[r])\n\t\tf=1;\n\tif(a[r-1]>a[l])\n\t\tf=1;\n\tif(r<n-1 && a[r+1]<a[l])\n\t\tf=1;\n\tif(f) \n\t\treturn 0;\n\treturn 1;\n}\nmain(){\n\tchar s[200];\n\tgetword(s,200);\n\tlong long p=atll(s);\n\tgetword(s,200);\n\tlong long d=atll(s);\n\tlong long a=1;\n\tlong long temp=p;\n\tint max=0;\n\twhile(temp/10!=0 && temp%10==9){\n\t\tmax++;\n\t\ttemp/=10;\n\t}\n\t//printf(\"%d \",max);\n\tint i;\n\tfor(i=0;p/a!=0;i++){\n\t\ta*=10;\n\t\tif(p%a>=d)\n\t\t\tbreak;\n\t}\n\tif(i==0){\n\t\tprintf(\"%I64d\",p);\n\t\treturn 0;\n\t}else if(max>=i){\n\t\tprintf(\"%I64d\",p);\n\t\treturn 0;\n\t}\n\tp-=(a/10);\n\tif(p/(a/10)>0)\n\t\tprintf(\"%I64d\",p/(a/10));\n\tfor(;i>0;i--)\n\t\tprintf(\"%d\",9);\n\treturn 0;\n}\n", "src_uid": "c706cfcd4c37fbc1b1631aeeb2c02b6a"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tlong int x,y,x1,x2,y1,y2,i,j;\n\tscanf(\"%ld%ld\",&x,&y);\n\tif(x>0&&y>0)\n\t{\n\t\tprintf(\"%ld %ld %ld %ld\\n\",0,x+y,x+y,0);\n\t}\n\telse if(x<0&&y<0)\n\t{\n\t\tprintf(\"%ld %ld %ld %ld\\n\",x+y,0,0,x+y);\n\t}\n\telse if(x>0&&y<0)\n\t{\n\t\tprintf(\"%ld %ld %ld %ld\\n\",0,y-x,x-y,0);\n\t}\n\telse\n\t{\n\t\tprintf(\"%ld %ld %ld %ld\\n\",x-y,0,0,y-x);\n\t}\n\treturn 0;\n}\n", "src_uid": "e2f15a9d9593eec2e19be3140a847712"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    double ax,ay,bx,by,cx,cy;\n    double d1,d2;\n    scanf(\"%lf%lf%lf%lf%lf%lf\",&ax,&ay,&bx,&by,&cx,&cy);\n    d1=(ay-by)*(ay-by)+(bx-ax)*(bx-ax);\n    d2=(cy-by)*(cy-by)+(cx-bx)*(cx-bx);\n    if(((ay-by)/(ax-bx)==(cy-by)/(cx-bx)||(ax==bx&&bx==cx)))\n        printf(\"No\\n\");\n    else\n    {\n        if(d1==d2)\n            printf(\"Yes\\n\");\n        else printf(\"No\\n\");\n    }\n\n    return 0;\n}\n", "src_uid": "05ec6ec3e9ffcc0e856dc0d461e6eeab"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nmain()\n    {\n        int i,j,k,test;\n        char s[101];\n        scanf(\"%s\",s);\n        i = 0;\n        while ((s[i]!='\\0') && (s[i]!='@') && ((('a'<=s[i]) && (s[i]<='z')) || (('A'<=s[i]) && (s[i]<='Z')) || (('0'<=s[i]) && (s[i]<='9')) || (s[i]=='_'))) i++;\n        if ((s[i]=='\\0') || (s[i]!='@') || (i==0) || (16<i)) printf(\"NO\");\n        else\n            {\n                test = 0;\n                k = 0;\n                j = 0;\n                while ((s[i+j+1]!='\\0') && (s[i+j+1]!='/') && ((('a'<=s[i+j+1]) && (s[i+j+1]<='z')) || (('A'<=s[i+j+1]) && (s[i+j+1]<='Z')) || (('0'<=s[i+j+1]) && (s[i+j+1]<='9')) || (s[i+j+1]=='_') || (s[i+j+1]=='.')) && (test==0))\n                    {\n                        if (s[i+j+1]=='.')\n                            {\n                                if((k==0) || (16<k)) test = 1;\n                                else k = 0;\n                            }\n                        else k++;\n                        j++;\n                    }\n                if ((test==1) || (j==0) || (32<j) || (k==0) || (16<k)) printf(\"NO\");\n                else\n                    {\n                        if (s[i+j+1]=='\\0') printf(\"YES\");\n                        else\n                            {\n                                if (s[i+j+1]!='/') printf(\"NO\");\n                                else\n                                    {\n                                        k = 0;\n                                        while ((s[i+j+k+2]!='\\0') && ((('a'<=s[i+j+k+2]) && (s[i+j+k+2]<='z')) || (('A'<=s[i+j+k+2]) && (s[i+j+k+2]<='Z')) || (('0'<=s[i+j+k+2]) && (s[i+j+k+2]<='9')) || (s[i+j+k+2]=='_'))) k++;\n                                        if ((s[i+j+k+2]!='\\0') || (k==0) || (16<k)) printf(\"NO\");\n                                        else printf(\"YES\");\n                                    }\n                            }\n                    }\n            }\n    }\n", "src_uid": "2a68157e327f92415067f127feb31e24"}
{"source_code": "#include<stdio.h>\nint swap(int* a,int* b)\n{\n\tint c;\n\tc = *a;\n\t*a = *b;\n\t*b = c;\n}\nint main()\n{\n\tint count;\n\tint store;\n\tint arr[3];\n\n\tscanf(\"%d%d\",&count,&store);\n\n\tint c = store;\n\tfor(int i=0;i<3;i++)\n\t{\n\t\tarr[i] == i;\n\t}\n\t\n\tint j,k;\n\tj = c;\n\n\tif(count % 6 == 0)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\n\t}\n\n\telse if(count % 6 == 1)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\n\t}\n\n\telse if(count % 6 == 2)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\t}\n\n\telse if(count % 6 == 3)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\t}\n\n\telse if(count % 6 == 4)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\n\t}\n\n\telse if(count % 6 == 5)\n\t{\n\t\tif(j == 0)\n\t\t{\n\t\t\tarr[j] = 0;\n\t\t}\n\n\t\telse if(j == 1)\n\t\t{\n\t\t\tarr[j] = 2;\n\t\t}\n\n\t\telse if(j == 2)\n\t\t{\n\t\t\tarr[j] = 1;\n\t\t}\n\t}\n\t\t\n/*\twhile(count > 0)\n\t{\n\t\tif(count % 2 == 0)\n\t\t{\n\t\t\tswap(&arr[1],&arr[2]);\n\t\t\tif(j == 2)\n\t\t\t{\n\t\t\t\tj = 1;\n\t\t\t}\n\n\t\t\telse if(j == 1)\n\t\t\t{\n\t\t\t\tj = 2;\n\t\t\t}\n\t\t\tcount = count - 1;\n\t\t\tk = j - 1;\n\t\t\tswap(&arr[j],&arr[k]);\n\t\t\tcount = count - 1;\n\t\t\tj = k;\n\t\t}\n\t\t\n\t\telse\n\t\t{\n\t\t\tswap(&arr[0],&arr[1]);\n\t\t\tif(j == 1)\n\t\t\t{\n\t\t\t\tj = 0;\n\t\t\t}\n\n\t\t\telse if(j == 0)\n\t\t\t{\n\t\t\t\tj = 1;\n\t\t\t}\n\t\t\tcount = count - 1;\n\n\t\t\tk = j + 1;\n\t\t\tswap(&arr[j],&arr[k]);\n\t\t\tcount = count - 1;\n\t\t\tj = k;\n\t\t}\n\n\t}*/\n\n\tprintf(\"%d\\n\",arr[j]);\n\n\treturn 0;\n}\n\n\n", "src_uid": "7853e03d520cd71571a6079cdfc4c4b0"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nint main()\n{\n    int vR=0,vG=0,vB=0,vY=0,i,j,cpt=0;\n    char a='l',ch[100];\n    scanf(\"%s\",&ch);\n\n\n\n for(i=0;i<4;i++){\n\n         a='l';\n        cpt=0;\n        for(j=i+4;j<strlen(ch);j+=4){\n             if(ch[i]=='!'){\n            switch(ch[j]){\n            case 'R':a='R';break;\n            case 'G':a='G';break;\n            case 'B':a='B';break;\n            case 'Y':a='Y';break;\n            case '!':cpt++;break;\n\n                   }\n\n\n\n             }\n\n            else{\n                    if(ch[j]=='!'){\n                    switch(ch[i]){\n            case 'R':vR++;break;\n            case 'G':vG++;break;\n            case 'B':vB++;break;\n            case 'Y':vY++;break;\n                    }}}\n\n\n            }\n\nswitch (a)\n        {\n        case 'R':\n            vR=vR+cpt+1;\n            break;\n        case 'Y':\n            vY=vY+cpt+1;\n            break;\n        case 'B':\n            vB=vB+cpt+1;\n            break;\n        case 'G':\n            vG=vG+cpt+1;\n            break;\n        }\n\n    }\n    printf(\"%d %d %d %d\",vR,vB,vY,vG);\n\n\n    return 0;\n}", "src_uid": "64fc6e9b458a9ece8ad70a8c72126b33"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint cmpfunc (const void * a, const void * b)\n{\n\t   return ( *(int*)a - *(int*)b );\n}\nint main()\n{\n\tint m,i,a[104],x,y,s,t=0;\n\tscanf(\"%d\",&m);\n\tt=0;\n\tfor(i=1;i<=m;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t\tt=t+a[i];\n\t}\n\tscanf(\"%d %d\",&x,&y);\n//\tqsort(a,m,sizeof(int),cmpfunc);\n\ts=0;\n\tfor(i=1;i<=m;i++)\n\t{\n\t//\tprintf(\"%d \",a[i]);\n\t\ts=s+a[i];\n\t\tif(s>=x && s<=y && t-s>=x && t-s<=y && i!=0)\n\t\t{\n\t\t\tprintf(\"%d\",i+1);\n\t\t\treturn 0;\n\t\t}\n\t}\n\tprintf(\"0\");\n\treturn 0;\n}\n", "src_uid": "e595a1d0c0e4bbcc99454d3148b4557b"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define N 100\n\nint main() {\n\tstatic char s[N + 1], t[N + 1];\n\n\tscanf(\"%s%s\", s, t);\n\tprintf(\"%s\\n\", strcmp(s, t) == 0 ? s : \"1\");\n\treturn 0;\n}\n", "src_uid": "9c5b6d8a20414d160069010b2965b896"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint min(int a, int b)\n{\n    if (a < b) {\n\treturn a;\n    } else {\n\treturn b;\n    }\n}\n\nint main()\n{\n    int n, m, p = 0, num = -1, i, j;\n    char s[100001];\n    char c1[100001], c2[100001];\n    int a[10] = {0};\n    int b[10] = {0};\n\n    scanf(\"%s\", s);\n\n    n = strlen(s);\n\n    for (i = 0; i < n; i++) {\n\ta[s[i] - '0']++;\n\tb[s[i] - '0']++;\n    }\n\n    c1[n] = c2[n] = '\\0';\n\n    n--;\n\n    for (i = 0; i < a[0] - a[9]; i++) {\n\tc1[n - i] = c2[n - i] = '0';\n    }\n\n    if (a[0] > a[9]) {\n\tn -= a[0] - a[9];\n\n\ta[0] = b[0] = a[9];\n    }\n\n    for (i = 1; i <= 5; i++) {\n\tint c = 1;\n\n\ta[i]--;\n\tb[10 - i]--;\n\n\tif (a[i] < 0 || b[10 - i] < 0) {\n\t    a[i]++;\n\t    b[10 - i]++;\n\n\t    continue;\n\t}\n\n\tfor (j = 0; j < 5; j++) {\n\t    c += min(a[j], b[9 - j]);\n\t}\n\n\tif (c > p) {\n\t    p = c;\n\t    num = i;\n\t}\n\n\ta[i]++;\n\tb[10 - i]++;\n    }\n\n    if (num > 0) {\n\tif (num == 1 && a[0] == a[9] && a[0] > 0) {\n\t    c1[n] = '0';\n\t    c2[n--] = '0';\n\n\t    a[0]--;\n\t    b[0]--;\n\t}\n\n\tc1[n] = num + '0';\n\tc2[n--] = 10 - num + '0';\n\n\ta[num]--;\n\tb[10 - num]--;\n    }\n\n    for (i = 0; i < 10; i++) {\n\twhile (1) {\n\t    if (a[i] > 0 && b[9 - i] > 0) {\n\t\tc1[n] = i + '0';\n\t\tc2[n--] = 9 - i + '0';\n\n\t\ta[i]--;\n\t\tb[9 - i]--;\n\t    } else {\n\t\tbreak;\n\t    }\n\t}\n    }\n\n    m = n;\n\n    for (i = 0; i < 10; i++) {\n\tfor (j = 0; j < a[i]; j++) {\n\t    c1[n--] = i + '0';\n\t}\n\tfor (j = 0; j < b[i]; j++) {\n\t    c2[m--] = i + '0';\n\t}\n    }\n\n    printf(\"%s\\n\", c1);\n    printf(\"%s\\n\", c2);\n\n    return 0;\n}\n", "src_uid": "34b67958a37865e1ca0529bbf528dd9a"}
{"source_code": "    #include <stdio.h>\r\n     \r\n    #define K\t12\r\n    #define MD\t998244353\r\n     \r\n    int pp[] = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37 };\r\n     \r\n    int main() {\r\n    \tint n, h, i;\r\n    \tlong long a, b, x, y, z;\r\n     \r\n    \tscanf(\"%d%lld\", &n, &a), b = a;\r\n    \tx = 1, y = 1, z = 0;\r\n    \tfor (h = 0, i = 1; i <= n; i++) {\r\n    \t\tif (h < K && i == pp[h])\r\n    \t\t\tb /= pp[h++];\r\n    \t\tx = x * (a % MD) % MD;\r\n    \t\ty = y * (b % MD) % MD;\r\n    \t\tz = ((long long) z + x - y + MD) % MD;\r\n    \t}\r\n    \tprintf(\"%lld\\n\", z);\r\n    \treturn 0;\r\n    }", "src_uid": "0fdd91ed33431848614075ebe9d2ee68"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main( )\n{\n   int n,m,i,j,c;\n   scanf(\"%d\" ,&m);\n   int arr[m];\n   memset(arr , 0 , sizeof(arr));\t\t\t\t\t\t\t\t\t\t//new!!\n   for(i=2;i*i<=m;i++){\n\t\tfor(j=i*i;j<=m;j+=i){\n\t\tarr[j]=1;\n\t\t}\n\t}\n   /*for(i=1;i<=m;i++){\n   \tprintf(\"%d\\n\" ,arr[i]);\n   }*/\n   c=0;\n   for(j=1;j<=m;j++){\n   \tn=0;\n   for(i=2;i<=j;i++){\n   \tif(arr[i]==0){\n   \t\tif(j%i==0){\n   \t\t\tn++;\n   \t\t\t//printf(\">>%d\\t\" ,i);\n\t\t}\n\t   }\n   }\n   //printf(\"for j=%d n=%d\\n\" ,j , n);\n   if(n==2) ++c;\n   }\n   printf(\"%d\" ,c);\n   return 0;\n}", "src_uid": "356666366625bc5358bc8b97c8d67bd5"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,a[105],i,sum=0,count=0;\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&a[i]);\n        sum=sum+a[i];\n    }\n\n    for(i=1;i<=5;i++)\n    {\n\n        if((sum+i)%(n+1)!=1){\n            count++;\n        }\n    }\n    printf(\"%d\",count);\n}\n", "src_uid": "ff6b3fd358c758324c19a26283ab96a4"}
{"source_code": "#include<stdio.h>\n#define MOD 1000000007\n\nint dar[252][252], k, n, fact[252], inv[252], precomp[2][252];\n\nint add(int a, int b){\n  a += b;\n  if(a >= MOD)a -= MOD;\n  return a;\n}\n\nint mul(int a, int b){\n  return (a*1ll*b)%MOD;\n}\nint powmod(int base, long long p){\n  int toret = 1;\n  while(p){\n    if(p&1)toret = mul(toret, base);\n    base = mul(base, base);\n    p >>= 1;\n  }\n  return toret;\n}\n\nint ncr(int n, int r){\n  return mul(mul(fact[n], inv[r]), inv[n - r]);\n}\n\nint dp(int r, int c){\n  //  printf(\"dp(%d, %d)\\n\", r, c);\n  if(dar[r][c] == -1){\n    int toret = 0;\n    if(r == 0){\n      dar[r][c] = (c == 0);\n      return dar[r][c];\n    }\n\n    int sat = n - c;\n    int i;\n    for(i = 0;i <= c;i++)if(i + sat){\n      int f1 = precomp[0][c - i];\n      f1 = mul(f1, ncr(c, i));\n      int f2 = precomp[1][sat];\n      if(i == 0){\n\tf2 = add(f2, MOD - precomp[0][sat]);\n      }\n      toret = add(toret, mul(dp(r - 1, c - i), mul(f1, f2)));\n    }\n    dar[r][c] = toret;\n  }\n  return dar[r][c];\n}\n\nint main(){\n  scanf(\"%d %d\", &n, &k);\n  if(k == 1){\n    printf(\"1\\n\");\n    return 0;\n  }\n  int i,j;\n  fact[0] = 1;\n  inv[0] = 1;\n  precomp[0][0] = precomp[1][0] = 1;\n  for(i = 1;i < 252;i++){\n    fact[i] = mul(fact[i - 1], i);\n    inv[i] = powmod(fact[i], MOD - 2);\n    precomp[0][i] = powmod(k - 1, i);\n    precomp[1][i] = powmod(k, i);\n  }\n  for(i = 0;i <= n;i++)for(j = 0;j <= n;j++){\n      dar[i][j] = -1;\n    }\n  printf(\"%d\\n\", dp(n, n));\n  return 0;\n}\n", "src_uid": "f67173c973c6f83e88bc0ddb0b9bfa93"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#include<string.h>\nint main () {\n    int a[11][1024],i,j,p=0;\n        a[1][0]=1;\n        a[1][1]=-1;\n        for(i=2;i<=10;i++) {\n            for(j=0;j<(int)pow(2,i-1);j++)\n            a[i][p++]=a[i-1][j]+1;\n            for(j=0;j<(int)pow(2,i-1);j++)\n            a[i][p++]=a[i-1][j]-1;\n            p=0;\n        }\n        int d=0,f=0,k=0,ctr=0;\n         double ans,ctr1,p1;\n        char c[11],b[11];\n        scanf(\"%s%s\",c,b);\n        for(i=0;i<strlen(c);i++) \n        if(c[i]=='+') d++;\n        else d--;\n        //printf(\"%d\\n\",d);\n        for(i=0;i<strlen(b);i++) {\n        if(b[i]=='?') f++;\n        else if(b[i]=='+') k++;\n        else k--;}\n        //printf(\"%d %d\\n\",f,k);\n        if(f==0&&d==k) printf(\"1.000000000000\");\n        else if(f==0&&d!=k) printf(\"0.000000000000\");\n        else  {\n        int temp = (int)pow(2,f);\n        for(j=0;j<temp;j++)\n        if(k+a[f][j]==d) ctr++;\n        //printf(\"%d\\n\",ctr);\n        ctr1=(double)ctr;\n        p1=(int)pow(2,f);\n        ans=(double)ctr1/p1;\n        printf(\"%0.9lf\\n\",ans);}\n       /* for(i=1;i<=10;i++) {\n            for(j=0;j<pow(2,i);j++) printf(\"%d \",a[i][j]);\n            printf(\"\\n\");\n        }*/\n        return 0;\n}", "src_uid": "f7f68a15cfd33f641132fac265bc5299"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint min(int,int);\nint main()\n{\n    int i,t,n,p,l,r,count1,count2,s,x,y,z;\n    scanf(\"%d %d %d %d\",&n,&p,&l,&r);\n    if((l==1)&&(r==n))\n        printf(\"0\");\n    else\n    {\n        if(l==1)\n        {\n            if(r<p)\n                s=p-r+1;\n            else\n                s=r-p+1;\n        }\n        else if(r==n)\n            s=(abs(p-l)+1);\n        else\n        {\n            count1=(abs(r-p)+1+(r-l+1));\n            count2=(abs(p-l)+1+(r-l+1));\n            s=min(count1,count2);\n        }\n        printf(\"%d\",s);\n    }\nreturn 0;\n}\nint min(int a,int b)\n{\n    if(a<b)\n        return a;\n    else\n        return b;\n}\n", "src_uid": "5deaac7bd3afedee9b10e61997940f78"}
{"source_code": "#include<stdio.h>\n\nint main(){\n\n    int x, a, b, y, z;\n\n    scanf(\"%d %d\",&a, &b);\n\n    x = a+b;\n\n    if(x%2 == 0){\n\n    \ty = z = x/2;\n    }\n    else{\n\n    \ty = x/2;\n\n    \tz = y + 1;\n    }\n\n    if(a == 0 && b == 0) printf(\"NO\\n\");\n    else if(a == y && b == z||a == z&& b == y ) printf(\"YES\\n\");\n    else printf(\"NO\\n\");\n\n\treturn 0;\n}\n", "src_uid": "ec5e3b3f5ee6a13eaf01b9a9a66ff037"}
{"source_code": "#include<stdio.h>\nmain()\n{\n      int a,b,c;\n      scanf(\"%d %d %d\",&a,&b,&c);\n      printf(\"%d\",((a-1)*(b+c-1)+(b*c)));\n      return 0;\n}\n      \n", "src_uid": "8ab25ed4955d978fe20f6872cb94b0da"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint main()\n{\n    long n,x,y,t;\n    long sum;\n    scanf(\"%ld%ld%ld\",&n,&x,&y);\n    sum=n*y;\n    if(sum%100==0)\n      t=sum/100;\n    else\n      t=sum/100+1;\n    t-=x;\n    if(t<0) t=0;\n    printf(\"%ld\",t);\n    return 0;\n}\n", "src_uid": "7038d7b31e1900588da8b61b325e4299"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n\n#define N\t4000\n#define MD\t1000000007\n\nint main() {\n\tstatic int ch[N + 1][N + 1], dp[N + 1], pp[N + 1];\n\tint n, i, j, k, p;\n\tlong long x, y, ans;\n\n\tscanf(\"%d\", &n);\n\tch[0][0] = 1;\n\tfor (i = 1; i <= n; i++) {\n\t\tch[i][0] = 1;\n\t\tfor (j = 1; j <= n; j++)\n\t\t\tch[i][j] = (ch[i - 1][j] + ch[i - 1][j - 1]) % MD;\n\t}\n\tdp[0] = 1;\n\tfor (i = 1; i <= n; i++) {\n\t\tx = 0;\n\t\tfor (j = 2; j <= i; j++) {\n\t\t\ty = dp[i - j];\n\t\t\tif (dp[i - j] != 0)\n\t\t\t\tx = (x + y * ch[i - 1][j - 1]) % MD;\n\t\t}\n\t\tdp[i] = x;\n\t}\n\tp = 1;\n\tfor (i = 0; i <= n; i++) {\n\t\tpp[i] = p - 1;\n\t\tp = p * 2 % MD;\n\t}\n\tans = 0;\n\tfor (k = 1; k <= n; k++)\n\t\tans = (ans + (long long) pp[k] * ch[n][k] % MD * dp[n - k]) % MD;\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "aa2c3e94a44053a0d86f61da06681023"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main(){\n\nint n;\nscanf(\"%d\",&n);\nint gap=1,sum=1,count=1;\nwhile(count<n)\n{\n    count++;//printf(\"count = %d\\n\",count);\n    gap=4*(count-1);//printf(\"gap %d\\n\",gap);\n    sum=sum+gap;//printf(\"%d\\n\",sum);\n}\nprintf(\"%d\\n\",sum);\n\n\n}", "src_uid": "758d342c1badde6d0b4db81285be780c"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\nint main()\n{\n    int i,j,k,l,m,temp,res=0,max=0;\n    char s[300],in[10];\n    scanf(\"%s\",s);\n    scanf(\"%d\",&k);\n    l=strlen(s);\n    if(k>=l)\n        printf(\"%d\\n\",((k+l)/2)*2);\n    else\n    {\n        for(i=0;i<l-k;i++)\n        {\n            for(j=(l+k-i)/2;j>=1;j--)\n            {\n                temp=0;\n                for(m=i;m<i+j;m++)\n                {\n                    if(m+j>=l)\n                        break;\n                    if(s[m]!=s[m+j])\n                    {temp=-1;break;}\n                }\n                if(temp==0 && j>max)\n                    max=j;\n                //printf(\"%d %d %d %d\\n\",i,j,temp,max);\n            }\n            \n        }\n        if(max>k)\n            printf(\"%d\\n\",2*max);\n        else\n            printf(\"%d\\n\",2*k);\n    }\n    return 0;\n}", "src_uid": "bb65667b65ff069a9c0c9e8fe31da8ab"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <time.h>\n\n#define D\t6720\n\nint compare(const void *a, const void *b) {\n\tlong long ia = *(long long *) a;\n\tlong long ib = *(long long *) b;\n\n\treturn ia == ib ? 0 : (ia < ib ? -1 : 1);\n}\n\nint main() {\n\tstatic long long aa[D];\n\tlong long x, y, a, tmp, cnt;\n\tint k, i;\n\n\tscanf(\"%lld%lld\\n\", &x, &y);\n\tk = 0;\n\tfor (a = 1; a * a <= x; a++)\n\t\tif (x % a == 0) {\n\t\t\taa[k++] = a;\n\t\t\tif (x / a != a)\n\t\t\t\taa[k++] = x / a;\n\t\t}\n\tsrand(time(NULL));\n\tfor (i = k - 1; i > 0; i--) {\n\t\tint i_ = rand() % (i + 1);\n\n\t\ttmp = aa[i], aa[i] = aa[i_], aa[i_] = tmp;\n\t}\n\tqsort(aa, k, sizeof *aa, compare);\n\tfor (i = k - 1; i >= 0; i--)\n\t\tif (y % aa[i] == 0)\n\t\t\tbreak;\n\tcnt = 0;\n\twhile (y > 0) {\n\t\tint j, jmin;\n\t\tlong long min;\n\n\t\tmin = 1e12 + 1;\n\t\tjmin = -1;\n\t\tfor (j = i + 1; j < k; j++)\n\t\t\tif (aa[j] % aa[i] == 0 && min > (y % aa[j]) / aa[i]) {\n\t\t\t\tmin = (y % aa[j]) / aa[i];\n\t\t\t\tjmin = j;\n\t\t\t}\n\t\tif (aa[i] == x)\n\t\t\tmin = y / x;\n\t\tcnt += min;\n\t\ty -= min * aa[i];\n\t\ti = jmin;\n\t}\n\tprintf(\"%lld\\n\", cnt);\n\treturn 0;\n}\n", "src_uid": "ea92cd905e9725e7fcb87b9ed4f64c2e"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a1,b1,c1,a2,b2,c2;\n    scanf(\"%d%d%d\",&a1,&b1,&c1);\n    scanf(\"%d%d%d\",&a2,&b2,&c2);\n    if(a1==a2 || b1==b2 || c1==c2)\n        printf(\"YES\");\n    else\n    printf(\"NO\");\n    return 0;\n}", "src_uid": "91c9dbbceb467d5fd420e92c2919ecb6"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\n    long long s[]={0,10,100,1000,10000,100000,1000000,10000000,100000000,1000000000};\n    long long n,i=0,a,cnt=0;\n    scanf(\"%I64d\",&n);\n    long long  f=n;\n    while(n!=0)\n    {\n        if(n%10!=0)\n        {\n         cnt++;\n        }\n        a=n%10;\n        n=n/10;\n        i++;\n    }\n    if(cnt>1 && i!=1)\n    {\n       printf(\"%I64d\\n\",(a+1)*(s[i-1])-f);\n    }\n    else if(cnt==1 && i!=1)\n    {\n        printf(\"%I64d\\n\",(s[i-1]));\n    }\n    else if(i==1)\n        printf(\"1\\n\");\n    return 0;\n\n}\n", "src_uid": "a3e15c0632e240a0ef6fe43a5ab3cc3e"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n/* run this program using the console pauser or add your own getch, system(\"pause\") or input loop */\nlong long ans,s,x;\nint max,k,n1,n2,i,j,a[100],b[100],c[100];\nint main(int argc, char *argv[]) {\n\tscanf(\"%I64d%I64d\",&s,&x);\n\tmemset(a,0,sizeof(a));\n\tmemset(b,0,sizeof(b));\n\tmemset(c,0,sizeof(c));\n\tn1=0;n2=0;\n\twhile(s!=0)\n\t{\t\n\ta[n1]=s%2;\n\ts=s/2;\n\tn1++;\n\t}\n\twhile(x!=0)\n\t{\t\n\tb[n2]=x%2;\n\tx=x/2;\n\tn2++;\n\t}\n\n\tj=0;\n\tk=0;\n\tans=1;\n\twhile(j<=n1||j<=n2)\n\t{\n\tif(k==0)\n\t  {\n\t  if(b[j]!=a[j]) {ans=0;break;}\n\t  if(b[j]==1) {c[j]=2;k=0;}\n\t  if(b[j]==0) \n\t    {\n\t\tif(a[j+1]==b[j+1])\n\t\t  {c[j]=0;k=0;}\n\t\telse\n\t\t  {c[j]=1;k=1;}\n\t\t}\n\t  }\n\telse\n\t  {\n\t  if(b[j]==a[j]) {ans=0;break;}\n\t  if(b[j]==1) {c[j]=2;k=1;}\n\t  if(b[j]==0) \n\t    {\n\t\tif(a[j+1]==b[j+1])\n\t\t  {c[j]=0;k=0;}\n\t\telse\n\t\t  {c[j]=1;k=1;}\n\t\t}\n\t  \n\t  }\n\tj++;\n\t}\n\tif(ans==0)\n\tprintf(\"%I64d\\n\",ans);\n\telse\n\t{\n\t\ti=0;j=0;\n\t\twhile(j<=n1||j<=n2)\n\t\t{\n\t\tif(c[j]==2)\n\t\tans*=2;\n\t\tif(c[j]==1)\n\t\ti=1;\n\t\tj++;\n\t\t}\n\tif(i==0&&ans>=2)\n\tans=ans-2;\n\tprintf(\"%I64d\\n\",ans);\n\t\n\t}\n\t\n\t\n\treturn 0;\n}", "src_uid": "18410980789b14c128dd6adfa501aea5"}
{"source_code": "#include <stdio.h>  \n  \nint main()  \n{  \n\tint x1,x2,y1,y2;\n\tint x,y;\n\tint n,m;\n\tscanf(\"%d%d%d%d\",&x1,&y1,&x2,&y2);\n\tscanf(\"%d%d\",&x,&y);\n\n\tif(((y2-y1)%y)==0)\n\t{\n\t\tn=(y2-y1)/y;\n\t\tif(((x2-x1)%x)==0)\n\t\t{\n\t\t\tm=(x2-x1)/x;\n\t\t\tif((m-n)%2==0)\n\t\t\t\tprintf(\"YES\");\n\t\t\telse\n\t\t\t\tprintf(\"NO\");\n\t\t}\n\t\telse\n\t\t\tprintf(\"NO\");\n\t}\n\telse\n\t\tprintf(\"NO\");\n    return 0;  \n} ", "src_uid": "1c80040104e06c9f24abfcfe654a851f"}
{"source_code": "#include<stdio.h>\nint v[100];\nint main(){\n\tint n,i;\n\tint prev = 0;\n\tint min = 0;\n\tscanf(\"%d\",&n);\n\tfor(i=0;i<n;i++){\n\t\tscanf(\"%d\",&v[i]);\n\t}\n\tmin = 0;\n\tprev = 0;\n\tfor(i=0;i<n;i++){\n\t\t//printf(\"%d \",v[i]);\n\t\tswitch(v[i]){\n\t\t\tcase 0:\n\t\t\t\tmin++;\n\t\t\t\tprev = 0;\n\t\t\t\tbreak;\n\t\t\tcase 1:\n\t\t\t\tif(prev!=1){\n\t\t\t\t\tprev = 1;\n\t\t\t\t}else{\n\t\t\t\t\tprev = 0;\n\t\t\t\t\tmin++;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 2:\n\t\t\t\tif(prev!=2){\n\t\t\t\t\tprev = 2;\n\t\t\t\t}else{\n\t\t\t\t\tprev = 0;\n\t\t\t\t\tmin++;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase 3:\n\t\t\t\tprev = 3-prev;\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tprintf(\"%d \",min);\n}\n", "src_uid": "08f1ba79ced688958695a7cfcfdda035"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\ntypedef struct list {\n    struct list * next;\n    int n;\n} List;\n\ntypedef struct edge {\n    struct edge * next;\n    int to;\n    int weight;\n} Edge;\n\ntypedef struct graph {\n    int size;\n    Edge * nodes[];\n} Graph;\n\nvoid add_to_list (List ** base, int n) {\n    List * list = (List *) malloc(sizeof(List));\n    list->n = n;\n    list->next = *base;\n    (*base) = list;\n}\n\nint list_length (List * list) {\n    int i = 0;\n    while (list != NULL) {\n        i++;\n        list = list->next;\n    }\n    return i;\n}\n\nvoid delete_list (List * list) {\n    while (list != NULL) {\n        List * ptr = list;\n        list = list->next;\n        free(ptr);\n    }\n}\n\nGraph * new_graph_ptr(int size) {\n    Graph * graph = (Graph *) malloc(sizeof(Graph) + size * sizeof(Edge *));\n    graph->size = size;\n    for (int i = 0; i < size; i++)\n        graph->nodes[i] = NULL;\n    return graph;\n}\n\nvoid add_edge(Graph * graph, int from, int to, int weight) {\n    Edge * edge = (Edge *) malloc(sizeof(Edge));\n    edge->to = to;\n    edge->weight = weight;\n    edge->next = graph->nodes[from];\n    graph->nodes[from] = edge;\n}\n\nvoid add_edges(Graph * graph, int from, int to, int weight) {\n    add_edge(graph, from, to, weight);\n    add_edge(graph, to, from, weight);\n}\n\nvoid delete_graph(Graph * graph) {\n    int size = graph->size;\n    for (int i = 0; i < size; i++) {\n        Edge * edge = graph->nodes[i];\n        while (edge != NULL) {\n            Edge * ptr = edge;\n            edge = edge->next;\n            free(ptr);\n        }\n    }\n    free(graph);\n}\n\nint main (void) {\n    int a, b;\n    scanf(\"%d %d\", &a, &b);\n    \n    List * list = NULL;\n    add_to_list(&list, b);\n    while (b > a) {\n        if ((b&1) == 0) {\n            b >>= 1;\n            add_to_list(&list, b);\n        } else if (b%10 == 1) {\n            b /= 10;\n            add_to_list(&list, b);\n        } else {\n            printf(\"NO\\n\");\n            free(list);\n            return 0;\n        }\n    }\n    if (a == b) {\n        printf(\"YES\\n\");\n        printf(\"%d\\n\", list_length(list));\n        printf(\"%d\", list->n);\n        List * ptr = list->next;\n        while (ptr != NULL) {\n            printf(\" %d\", ptr->n);\n            ptr = ptr->next;\n        }\n        printf(\"\\n\");\n    } else {\n        printf(\"NO\\n\");\n    }\n    free(list);\n    return 0;\n}\n", "src_uid": "fc3adb1a9a7f1122b567b4d8afd7b3f3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint GetSize(char a[])\n{\n    int i;\n    for(i=0;a[i]!='\\0';i++);\n     return i;\n}\nvoid CopyArr(char a[],char b[],int l,int r)\n{\n    int i,j;\n    for(i=l,j=0;i<=r;i++,j++)\n{\n    a[j]=b[i];\n}\n}\n long long int Max(long long int f,long long int s)\n{\n    if(f>s)\n    return f;\n    else\n    return s;\n}\n long long int GetVal(char *s,int l,int r)\n{\nint n;\nlong long int v;\nchar x[30]=\"\";\nCopyArr(x,s,l,r);\nn=GetSize(x);\n v=atoll(x);\n if(v>1000000)\n return -1;\nelse if(x[0]=='0'&&n>1)\n return -1;\nelse\n return v;\n}\nint main()\n{\n    int i,j,n;\n    long long int l,m,r,max=-1;\n    char s[31]=\"\";\n   scanf(\"%s\",s);\n   n=GetSize(s);\n   for(i=0;i<n-2;i++)\n   {\n       for(j=i+1;j<=n-2;j++)\n       {\n           l=GetVal(s,0,i);\n           m=GetVal(s,i+1,j);\n           r=GetVal(s,j+1,n-1);\n           if(l==-1||m==-1||r==-1)\n               continue;\n           else\n           max=Max(max,l+m+r);\n       }\n   }\n   printf(\"%ld\",max);\n\n\n    return 0;\n}\n", "src_uid": "bf4e72636bd1998ad3d034ad72e63097"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdbool.h>\n#include <stdlib.h>\n\n#define MAX 16\n#define max(a,b) ((a)>(b) ? (a):(b))\n#define clr(ar) memset(ar, 0, sizeof(ar))\n\nconst double multiplier = 0.997;\n\nchar str[MAX], color[MAX];\nint n, m, last[MAX], order[MAX], R[MAX], B[MAX];\n\ndouble rand_real(){\n    return (double)rand() / RAND_MAX;\n}\n\nint solve(){\n    int i, j, res = 0, red = 0, blue = 0, rcard = 0, bcard = 0;\n\n    for (j = 0; j < n; j++){\n        i = order[j];\n        int req_red = max(R[i] - rcard, 0);\n        int req_blue = max(B[i] - bcard, 0);\n\n        int buy_red = max(req_red - red, 0);\n        int buy_blue = max(req_blue - blue, 0);\n\n        int tokens_bought = max(buy_red, buy_blue);\n\n        res += tokens_bought;\n        red += tokens_bought, blue += tokens_bought;\n        red -= req_red, blue -= req_blue;\n\n        if (color[i] == 'R') rcard++;\n        else bcard++;\n    }\n    return res + n;\n}\n\nint main(){\n    int t, i, j, k, x, lim, res, cur, next;\n\n    while (scanf(\"%d\", &n) != EOF){\n        for (i = 0; i < n; i++){\n            scanf(\"%s %d %d\", str, &R[i], &B[i]);\n            color[i] = str[0];\n        }\n        for (i = 0; i < n; i++) order[i] = i;\n\n\n        double temperature = 666666;\n        cur = res = solve(), lim = 666666;\n\n        for (t = 0; t < lim; t++){\n            m = ((lim - t - 1) * n * 2 / lim) + 1;\n            for (i = 0; i < n; i++) last[i] = order[i];\n\n            while (m--){\n                i = rand() % n, j = rand() % n;\n                x = order[i], order[i] = order[j], order[j] = x;\n            }\n\n            next = solve();\n            if (next < res) res = next;\n\n            if (next < cur) cur = next;\n            else{\n                double p = exp((double)-(next - cur) / temperature);\n                if (rand_real() <= p) cur = next;\n                else{\n                    for (i = 0; i < n; i++) order[i] = last[i];\n                }\n            }\n\n            if (temperature > 1e-20) temperature *= multiplier;\n        }\n\n        printf(\"%d\\n\", res);\n    }\n    return 0;\n}", "src_uid": "25a77f2b7cb281ff3c7800a20b3e5969"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int i , n , X = 0  , x=0,d;\n\n    scanf(\"%d\",&n) ;\n\n    char s[n+1] ;\n\n    scanf(\"%s\",s);\n\n    for(i = 0 ; s[i] ; i++)\n    {\n        if(s[i]== 'X')X++;\n        else x++;\n\n    }\n    d = x > X ? x : X ;\n    d = d - n/2 ;\n    if(x == n/2)\n    {\n        printf(\"0\\n\");\n        puts(s);\n        return 0 ;\n    }\n    i=0;\n    n = d ;\n    if(X > x)\n    {\n        while(d)\n        {\n\n            if(s[i] == 'X'){\n                    s[i] = 'x';\n                    d--;\n            }\n            i++;\n\n        }\n        printf(\"%d\\n\",n);\n        puts(s);\n    }\n    else\n    {\n        while(d)\n        {\n            if(s[i] == 'x'){\n                    s[i] = 'X';\n                    d--;\n            }\n            i++;\n\n\n        }\n        printf(\"%d\\n\",n);\n        puts(s);\n    }\n\n    return 0 ;\n}\n", "src_uid": "fa6311c72d90d8363d97854b903f849d"}
{"source_code": "#include<stdio.h>\n\nint main(){\n  int largest = 0;\n  scanf(\"%d\\n\", &largest);\n  for(int i = largest; i > 0; i--)\n  {\n    if(largest % i == 0)\n    {\n      largest = i;\n      printf(\"%d \" ,i);\n    }\n  }\n  return 0;\n}\n", "src_uid": "2fc946bb72f56b6d86eabfaf60f9fa63"}
{"source_code": "//In the name of God\n#include <stdio.h>\n\n#define MAXN 2100\ndouble pr[MAXN][MAXN];\n\ndouble get_pr(int w,int b)\n{\n  if(w<=0 || b<0)\n    return 0;\n  return pr[w][b];\n}\n\nvoid fill_pr()\n{\n  int W,B;\n  for(W=1;W<MAXN;++W)\n    for(B=0;B<MAXN;++B)\n      {\n\tdouble cpr=0;\n\tdouble w=W,b=B;\n\tif(w>=1)\n\t  cpr+=w/(w+b);\n\tif(b>=3)\n\t  cpr+=(b/(w+b))*((b-1)/(w+b-1))*((b-2)/(w+b-2))*get_pr(W,B-3);\n\tif(b>=2 && w>=1)\n\t  cpr+=(b/(w+b))*((b-1)/(w+b-1))*(w/(w+b-2))*get_pr(W-1,B-2);\n\tpr[W][B]=cpr;\n      }\n}\n\nint main()\n{\n  fill_pr();\n  int w,b;\n  scanf(\"%d %d\",&w,&b);\n  printf(\"%.15lf\\n\",get_pr(w,b));\n  return 0;\n}\n", "src_uid": "7adb8bf6879925955bf187c3d05fde8c"}
{"source_code": "/* upsolved using pre-shifting */\n/* https://codeforces.com/blog/entry/70720 */\n#include <stdio.h>\n\n#define N\t300000\n\nint min(int a, int b) { return a < b ? a : b; }\n\nint main() {\n\tstatic char cc[N + 1];\n\tstatic int pp[N], pp_[N];\n\tint n, h, i, j, p_, k0, k, k_, i_, j_;\n\n\tscanf(\"%d%s\", &n, cc);\n\tfor (i = 0; i < n; i++)\n\t\tpp[i] = (i == 0 ? 0 : pp[i - 1]) + (cc[i] == '(' ? 1 : -1);\n\tif (pp[n - 1] != 0) {\n\t\tprintf(\"0\\n\");\n\t\tprintf(\"1 1\\n\");\n\t\treturn 0;\n\t}\n\tp_ = n + 1;\n\tfor (i = 0; i < n; i++)\n\t\tp_ = min(p_, pp[i]);\n\tfor (i = 0; i < n; i++)\n\t\tpp[i] -= p_;\n\th = -1, k0 = 0;\n\tfor (i = 0; i < n; i++)\n\t\tif (pp[i] == 0)\n\t\t\th = i, k0++;\n\tfor (i = 0; i < n; i++)\n\t\tpp_[i] = pp[(i + h + 1) % n];\n\tk_ = k0, i_ = 0, j_ = 0;\n\tfor (i = 0, j = 0, k = 0; j < n; j++)\n\t\tif (pp_[j] < 1) {\n\t\t\tif (k_ < k)\n\t\t\t\tk_ = k, i_ = i, j_ = j;\n\t\t\ti = j + 1, k = 0;\n\t\t} else if (pp_[j] == 1)\n\t\t\tk++;\n\tfor (i = 0, j = 0, k = 0; j < n; j++)\n\t\tif (pp_[j] < 2) {\n\t\t\tif (k_ < k0 + k)\n\t\t\t\tk_ = k0 + k, i_ = i, j_ = j;\n\t\t\ti = j + 1, k = 0;\n\t\t} else if (pp_[j] == 2)\n\t\t\tk++;\n\tprintf(\"%d\\n\", k_);\n\tprintf(\"%d %d\\n\", (i_ + h + 1) % n + 1, (j_ + h + 1) % n + 1);\n\treturn 0;\n}\n", "src_uid": "2d10668fcc2d8e90e102b043f5e0578d"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n#include <string.h>\n\n#define K\t8\n#define L\t840\n\nlong long min(long long a, long long b) { return a < b ? a : b; }\nlong long max(long long a, long long b) { return a > b ? a : b; }\n\nint main() {\n\tstatic long long aa[K + 1], dp[L * K], dq[L * K];\n\tlong long w, ans, a, p;\n\tint i, y, y_, q, q_;\n\n\tscanf(\"%lld\", &w);\n\tfor (i = 1; i <= K; i++)\n\t\tscanf(\"%lld\", &aa[i]);\n\tmemset(dp, -1, L * K * sizeof *dp);\n\tdp[0] = 0;\n\tfor (i = 1; i <= K; i++) {\n\t\ta = aa[i];\n\t\tfor (y = 0; y < L * K; y++)\n\t\t\tdq[y] = -1;\n\t\tfor (y = 0; y < L * K; y++) {\n\t\t\tif (dp[y] < 0)\n\t\t\t\tcontinue;\n\t\t\tq_ = L / i;\n\t\t\tfor (q = 0; q < q_ && q <= a; q++) {\n\t\t\t\tp = (a - q) / q_;\n\t\t\t\ty_ = y + q * i;\n\t\t\t\tdq[y_] = max(dq[y_], dp[y] + p);\n\t\t\t}\n\t\t}\n\t\tfor (y = 0; y < L * K; y++)\n\t\t\tdp[y] = dq[y];\n\t}\n\tans = 0;\n\tfor (y = 0; y < L * K && y <= w; y++)\n\t\tans = max(ans, min((w - y) / L, dp[y]) * L + y);\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "8097e10157320524c0faed56f2bc4880"}
{"source_code": "#include <stdio.h>\n\nint n,m;\n\nint main()\n{\n    int i,j;\n\n    scanf(\"%d%d\",&m,&n);\n    for(i=n;i>m;i--)\n    {\n        for(j=2;j*j<=i&&j<=m;j++) if(i%j == 0) break;\n        if(j*j>i || j>m) goto OK;\n    }\n    printf(\"-1\"); return 0;\n    OK: printf(\"%d\",i); return 0;\n}\n", "src_uid": "b533203f488fa4caf105f3f46dd5844d"}
{"source_code": "#include<stdio.h>\n\n\nint main()\n{\n    char n[100000];\n\n    scanf(\"%s\",n);\n\n    int i,l=strlen(n);\n\n    for(i=l-1;i>=0;i--)\n    {\n\n    int r = n[i]-48;\n\n\n    switch(r)\n    {\n    case 0:\n        printf(\"O-|-OOOO\\n\");\n        break;\n\n    case 1:\n        printf(\"O-|O-OOO\\n\");\n        break;\n\n    case 2:\n        printf(\"O-|OO-OO\\n\");\n        break;\n\n    case 3:\n        printf(\"O-|OOO-O\\n\");\n        break;\n\n    case 4:\n        printf(\"O-|OOOO-\\n\");\n        break;\n\n    case 5:\n        printf(\"-O|-OOOO\\n\");\n        break;\n\n    case 6:\n        printf(\"-O|O-OOO\\n\");\n        break;\n\n    case 7:\n        printf(\"-O|OO-OO\\n\");\n        break;\n\n    case 8:\n        printf(\"-O|OOO-O\\n\");\n        break;\n\n    case 9:\n        printf(\"-O|OOOO-\\n\");\n        break;\n\n\n    }\n\n\n    }\n\n    return 0;\n}\n", "src_uid": "c2e3aced0bc76b6484360563355d23a7"}
{"source_code": "#include <stdio.h>\n\n#define K\t50\n\nint main() {\n\tint q;\n\n\tscanf(\"%d\", &q);\n\twhile (q--) {\n\t\tstatic long long aa[K];\n\t\tlong long a, b, m, lower, upper, x;\n\t\tint i, j, k, good;\n\n\t\tscanf(\"%lld%lld%lld\", &a, &b, &m);\n\t\tif (a == b) {\n\t\t\tprintf(\"1 %lld\\n\", a);\n\t\t\tcontinue;\n\t\t}\n\t\tgood = 0;\n\t\tfor (k = 2; k <= K; k++) {\n\t\t\tlower = (a << (k - 2)) + (1LL << (k - 2)) - 1 + 1;\n\t\t\tif (lower > b)\n\t\t\t\tbreak;\n\t\t\tupper = (a << (k - 2)) + m * ((1LL << (k - 2)) - 1) + m;\n\t\t\tif (b <= upper) {\n\t\t\t\tgood = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (!good) {\n\t\t\tprintf(\"-1\\n\");\n\t\t\tcontinue;\n\t\t}\n\t\tb -= lower;\n\t\tprintf(\"%d %lld\", k, aa[0] = a);\n\t\tfor (j = 1; j < k; j++) {\n\t\t\ta = 1LL << (j == k - 1 ? 0 : k - 2 - j);\n\t\t\tx = 1 + b / a;\n\t\t\tif (x > m)\n\t\t\t\tx = m;\n\t\t\tb -= (x - 1) * a;\n\t\t\tfor (i = 0; i < j; i++)\n\t\t\t\tx += aa[i];\n\t\t\tprintf(\" %lld\", aa[j] = x);\n\t\t}\n\t\tprintf(\"\\n\");\n\t}\n\treturn 0;\n}\n", "src_uid": "c9d646762e2e78064bc0670ec7c173c6"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n   char a[1000];\n   int i,t,j,c=0;\n   scanf(\"%d\",&t);\n   for(i=0;i<=t;i++){\n    scanf(\"%c\",&a[i]);\n   }\n   for(i=0;a[i]!='\\0';i++){\n    if(a[i]==a[i+1]){\n        c++;\n    }\n   }\n\n  printf(\"%d\",c);\n    return 0;\n}\n", "src_uid": "d561436e2ddc9074b98ebbe49b9e27b8"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\nint main()\n{\n\tint n,\n\t\t*a,\n\t\tmax /* max sum less than 180 */;\n\n\tint sum;\n\n\tscanf(\"%d\", &n);\n\t\n\ta = (int *) calloc(n, sizeof(int));\n\t\n\tfor (int i = 0; i < n; i++) {\n\t\tscanf(\"%d\", &a[i]);\n\t}\n\n\tmax = 0;\n\tfor (int i = 0; i < n; i++) {\n\t\tint sum;\n\t\tsum = 0;\n\t\tfor (int j = 0; j < n; j++) {\n\t\t\tsum += a[(i + j) % n];\n\t\t\tif (sum > 180) break;\n\t\t\telse if (sum > max) max = sum;\n\t\t}\n\t}\n\n\tprintf(\"%d\\n\", 2 * (180 - max));\n}", "src_uid": "1b6a6aff81911865356ec7cbf6883e82"}
{"source_code": "#include<stdio.h>\n\nint main() {\n    int n, ans, num1;\n    ans = 0;\n    int count = 0;\n    int flag = 0;\n    int num_zero = 0;\n    int num_one = 0;\n    \n    scanf(\"%d\", &n);\n    int array[n];\n    for(int q = 0; q<n; q++){\n        scanf(\"%d\", array + q);\n    }\n    for (int i = 0; i<n; i++){\n        if (array[i] == 1){\n            num1 = 0;\n            for (int j = i+1; j<n; j++){\n                if (array[j] == 1){\n                    num1 += 1;\n                }\n            }\n            if (num1 + num_zero > ans){\n                ans = num1 + num_zero;\n            }\n        }\n        if (array[i] == 1){\n            num_one += 1;\n        }\n        else{\n            num_zero += 1; \n        }\n    }\n    ans += 1;\n    if (num_one >= ans && num_one >= num_zero){\n        printf(\"%d\", num_one);\n        return 0;\n    }\n    else if (num_zero >= ans && num_zero >= num_one) {\n        printf(\"%d\", num_zero);\n        return 0;\n    } \n        printf(\"%d\", ans);\n        return 0;\n}\n", "src_uid": "c7b1f0b40e310f99936d1c33e4816b95"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main(void)\n{\n   int i,j,m,k=1,sum=0,t,r,l;\n   int n;\n   while((scanf(\"%d\",&n))!=EOF)\n    {\n        k=1;\n        t=1;\n        sum=0;\n        m=n/10;\n        while(m)\n        {\n            m=m/10;\n            k++;\n        }\n        for(i=1;i<k;i++)\n        {\n            sum+=pow(2,i);\n        }\n        //printf(\"%d\\n\",sum);\n        for(i=k;i>=1;i--)\n        {\n            l=i-1;\n            while(l)\n            {\n                t=t*10;\n                l--;\n            }\n\n            //printf(\"%d %d\\n\",t,i);\n            r=n/t;\n            //printf(\"?%d %d %d\\n\",r,t,n);\n            if(r==4)\n            {\n              n=n%t;\n              //printf(\"!!!%d %d\\n\",n,t);\n            }\n            else if(r==7)\n            {\n                n=n%t;\n                sum+=(pow(2,i)/2);\n                //printf(\"%d\\n\",sum);\n            }\n            t=1;\n         }\n         sum+=1;\n         printf(\"%d\\n\",sum);\n      }\n      return 0;\n}\n\n                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "src_uid": "6a10bfe8b3da9c11167e136b3c6fb2a3"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int a,b=1,c=2,count=0;\n    scanf(\"%d\",&a);\n\n    while(a>=b){\n        a=a-b;\n        b=b+c;\n        c++;\n        count++;\n\n    }\n    printf(\"%d\",count);\n\n}\n", "src_uid": "873a12edffc57a127fdfb1c65d43bdb0"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,i,x=1002,b=0,d=0,g,h,j;\n    scanf(\"%d\",&n);\n    int a[n];\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&a[i]);\n\n    }\n    while(d<n/2)\n    {\n\n    for(i=0;i<n;i++)\n        {\n            if(a[i]!=0)\n            {\n                if(a[i]<x)\n                {\n                    x=a[i];\n                    g=i;\n                }\n                if(a[i]>b)\n                {\n                    b=a[i];\n                    h=i;\n                }\n            }\n        }\n      if(g==h)\n           {\n               a[g]=0;\n             for(j=n-1;j>0;j--)\n             {\n                 if(a[j]>0)\n                    h=j;\n             }\n           }\n        a[g]=0;\n        a[h]=0;\n        x=1002;\n        b=0;\n\n        printf(\"%d %d\",g+1,h+1);\n        printf(\"\\n\");\n        d++;\n    }\n    return 0;\n\n}\n", "src_uid": "6e5011801ceff9d76e33e0908b695132"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdbool.h>\n\n#define clr(ar) memset(ar, 0, sizeof(ar))\n#define read() freopen(\"lol.txt\", \"r\", stdin)\n\nlong long int n, m, k, d;\n\nlong long int F(long long int lim){\n    lim++;\n    int i, j, low, high, mid;\n    long long int x, counter = 0;\n\n    for (i = 1; i <= n; i++){\n        x = i;\n        low = 1, high = m;\n        if (lim <= x) break;\n\n        if (lim > x){\n            if (lim > (x * high)) counter += m;\n            else{\n                while ((low + 1) < high){\n                    mid = (low + high) >> 1;\n                    if ((x * mid) < lim) low = mid;\n                    else high = mid;\n                }\n                if ((x * high) < lim) counter += high;\n                else if ((x * low) < lim) counter += low;\n            }\n        }\n        if (counter > k) break;\n    }\n\n    return counter;\n}\n\nint main(){\n    int i, j, l;\n\n    while (scanf(\"%I64d %I64d %I64d\", &n, &m, &k) != EOF){\n        long long int low = 1, high = (n * m);\n\n        while ((low + 1) < high){\n            long long int mid = (low + high) >> 1LL;\n            if (F(mid) < k) low = mid;\n            else high = mid;\n        }\n\n        if (F(low) >= k) printf(\"%I64d\\n\", low);\n        else printf(\"%I64d\\n\", high);\n    }\n    return 0;\n}\n", "src_uid": "13a918eca30799b240ceb9de47507a26"}
{"source_code": "\n#include <stdio.h>\n\nint main()\n{\n    int n,m,x[10],y[100],i,j;\n    scanf(\"%d%d\",&n,&m);\n    for(i=0;i<n;i++)\n        scanf(\"%d\",&x[i]);\n    for(i=0;i<m;i++)\n        scanf(\"%d\",&y[i]);\n    for(i=0;i<n;i++)\n        for(j=0;j<m;j++)\n            if(x[i]==y[j])\n                printf(\"%d \",x[i]);\n    return 0;\n}\n", "src_uid": "f9044a4b4c3a0c2751217d9b31cd0c72"}
{"source_code": "#include<stdio.h>\n\nlong long int lrg=100000000000000;\n\nlong long int comp(long long int m,long long int x,long long int y,long long int a,long long int b)\n{\n\tlong long int i,j,t,c,d;\n\tc=(m/y)-(m/(x*y));\n\td=(m/x)-(m/(x*y));\n\tif(c>a)\n\t{\n\t\tc=a;\n\t}\n\tif(d>b)\n\t{\n\t\td=b;\n\t}\n\ti=(m-(m/x)-(m/y)+(m/(x*y)));\n\treturn (i>=(a+b-c-d));\n}\t\n\nint main()\n{\nlong long int i,j,t,a,b,c,m,fg=0,d,x,y,l,r;\nscanf(\"%lld %lld %lld %lld\",&a,&b,&x,&y);\nl=1,r=lrg;\nwhile(l<=r)\n{\n\tm=((l+r)/2);\n\tt=comp(m,x,y,a,b);\n\t//printf(\"%lld %lld\\n\",m,t);\n\tif(t==1)\n\t{\n\t\tr=m-1;\n\t}\n\telse\n\t{\n\t\tl=m+1;\n\t}\n\tif(comp(l,x,y,a,b)==1)\n\t{\n\t\tfg=l;\n\t\tbreak;\t\n\t}\n\tif(comp(r,x,y,a,b)==0)\n\t{\n\t\tfg=r+1;\n\t\tbreak;\n\t}\n}\nprintf(\"%lld\\n\",fg);\nreturn 0;\n}\n", "src_uid": "ff3c39b759a049580a6e96c66c904fdc"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,m,flag=1;\n    scanf(\"%d %d\",&n,&m);\n    char r[n],c[m];\n    scanf(\"%s\",r);\n    scanf(\"%s\",c);\n    if(r[0]=='>'&&c[0]=='v')\n    flag=0;\n    if(r[0]=='<'&&c[m-1]=='v')\n    flag=0;\n    if(r[n-1]=='<'&&c[m-1]=='^')\n    flag=0;\n    if(r[n-1]=='>'&&c[0]=='^')\n    flag=0;\n    if(flag)\n    printf(\"YES\");\n    else\n    printf(\"NO\");\n    return 0;\n}", "src_uid": "eab5c84c9658eb32f5614cd2497541cf"}
{"source_code": "#include <stdio.h>\n\ndouble dp[2001][2001];\n\nint main(void) {\n    int i, j;\n    int n, t;\n    double p;\n    double ans;\n\n    scanf(\"%d %lf %d\", &n, &p, &t);\n\n    dp[0][0] = 1.0;\n    for (i = 0; i < t; i++)\n        for (j = 0; j < 2000; j++)\n            if (j < n) {\n                dp[i + 1][j] += dp[i][j] * (1 - p);\n                dp[i + 1][j + 1] += dp[i][j] * p;\n            } else\n                dp[i + 1][j] += dp[i][j];\n\n    ans = 0.0;\n    for (i = 1; i <= n; i++)\n        ans += i * dp[t][i];\n\n    printf(\"%f\\n\", ans);\n\n    return 0;\n}\n", "src_uid": "20873b1e802c7aa0e409d9f430516c1e"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int n, c, i, j,l=0, r=0,  s=0, s2=0;\n    scanf(\"%d %d\", &n, &c);\n    int p[ n ], t[ n ];\n    for(i=0;i<n; i++)\n    {\n        scanf(\"%d\", &p[ i ]);\n    }\n    for(i=0;i<n ; i++)\n    {\n        scanf(\"%d\", &t[ i ]);\n    }\n    for(i=0, j=n-1; i<n ; ++i, j--)\n    {\n        s = s + t[ i ];\n        if( p[ i ] - (c*s)>=0){\n        l = l + p[ i ] - (c*s) ;}\n         s2 = s2 + t[ j ];\n         if(p[ j ] - (c*s2)>=0){\n        r = r + p[ j ] - (c*s2);}\n    }\n    if(l>r){printf(\"Limak\");}\n    else if(l<r){printf(\"Radewoosh\");}\n    else{printf(\"Tie\");}\n\n}\n", "src_uid": "8c704de75ab85f9e2c04a926143c8b4a"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    long long int n,j=1,c=0,p;\n    long double t=0.0,q;\n    scanf(\"%I64d\",&n);\n    while(((j*(j+1))/2)<n)\n    {\n     t=n-(j*(j+1))/2;\n     q=sqrt(8*t+1);\n     p=(int)sqrt(8*t+1);\n    \n     if((long double)p==q)\n    { if((p%2)!=0)\n     {\n                         printf(\"YES\");\n                         c++;\n     break;\n     }\n     }\n     j++;\n     }\n     if(c==0)\n     printf(\"NO\");\n     return 0;\n     }\n", "src_uid": "245ec0831cd817714a4e5c531bffd099"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint n, sum;\nint a[16];\nint b[4][4];\n\nint cmp(const void *a, const void *b)\n{\n    return *((int *)a) - *((int *)b);\n}\n\nint dfs(int x, int y, int z)\n{\n    int p, q, i, j;\n    \n    if (x == n && y == 0) return 1;\n    \n    p = x;\n    q = y + 1;\n    \n    if (q == n) {\n        p = x + 1;\n        q = 0;\n    }\n    \n    for (i = 0; i < n * n; i++) {\n        if ((z >> i) & 1) continue;\n        \n        if (x == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[j][y];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (y == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[x][j];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (x == n - 1 && y == 0) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[j][n - j - 1];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (x == n - 1 && y == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[j][j];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        b[x][y] = a[i];\n        \n        if (dfs(p, q, z | (1 << i)) == 1) return 1;\n        \n        for (j = i + 1; j < n * n; j++) {\n            if (a[i] != a[j]) break;\n        }\n        \n        i = j - 1;\n    }\n    \n    return -1;\n}\n\nint dfs2(int p, int q)\n{\n    int x, y, i, j;\n    \n    if (p == 16) return 1;\n    \n    if (p <= 3) {\n        x = 0;\n        y = p;\n    } else if (p <= 6) {\n        x = p - 3;\n        y = 0;\n    } else if (p <= 9) {\n        x = 1;\n        y = p - 6;\n    } else if (p <= 11) {\n        x = p - 8;\n        y = 1;\n    } else if (p <= 13) {\n        x = 2;\n        y = p - 10;\n    } else {\n        x = 3;\n        y = p - 12;\n    }\n    \n    for (i = 0; i < n * n; i++) {\n        if ((q >> i) & 1) continue;\n        \n        if (x == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[j][y];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (y == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[x][j];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (p == 10) {\n            int s = 0;\n            \n            for (j = 0; j < n; j++) {\n                if (j == 2) continue;\n                \n                s += b[j][n - j - 1];\n            }\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        if (x == n - 1 && y == n - 1) {\n            int s = 0;\n            \n            for (j = 0; j < n - 1; j++) s += b[j][j];\n            \n            if (s + a[i] != sum) continue;\n        }\n        \n        b[x][y] = a[i];\n        \n        if (dfs2(p + 1, q | (1 << i)) == 1) return 1;\n        \n        for (j = i + 1; j < n * n; j++) {\n            if (a[i] != a[j]) break;\n        }\n        \n        i = j - 1;\n    }\n    \n    return -1;\n}\n\nint main()\n{\n    int i, j;\n    \n    scanf(\"%d\", &n);\n    \n    for (i = 0; i < n * n; i++) {\n        scanf(\"%d\", &a[i]);\n        \n        sum += a[i];\n    }\n    \n    sum /= n;\n    \n    printf(\"%d\\n\", sum);\n    \n    qsort(a, n * n, sizeof(int), cmp);\n\n    if (n <= 3) {\n        dfs(0, 0, 0);\n    } else {\n        dfs2(0, 0);\n    }\n    \n    for (i = 0; i < n; i++) {\n        for (j = 0; j < n; j++) {\n            if (j > 0) putchar(' ');\n            \n            printf(\"%d\", b[i][j]);\n        }\n        \n        puts(\"\");\n    }\n    \n    return 0;\n}\n", "src_uid": "7c806fb163aaf23e1eef3e6570aea436"}
{"source_code": "#include <stdio.h>\n\n// this BinarySearch sometimes cannot find the x\n\nconst int P = 1000000007;\n\nint main()\n{\n  int n, x, pos;\n  int l, r, m;\n  int lc, rc; // count of L, count of R\n  int ans;\n  int i;\n\n  scanf(\"%d %d %d\", &n, &x, &pos);\n  l=0;\n  r=n;\n  lc=0;\n  rc=0;\n  while (l<r) {\n    m = (l+r)/2;\n    if (pos < m) r=m, ++rc;\n    else l=m+1, lc += (m != pos);\n  }\n\n  ans = 1;\n  for (i=1; i<=lc; ++i) ans = (long long)ans * (x-i) % P;\n  for (i=1; i<=rc; ++i) ans = (long long)ans * (n-x-i+1) % P;\n  for (i=1; i<=n-lc-rc-1; ++i) ans = (long long)ans * i % P;\n\n  printf(\"%d\\n\", ans);\n\n  return 0;\n}\n", "src_uid": "24e2f10463f440affccc2755f4462d8a"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint n,t,a[1002],ans,cnt=0,i,j,k,max=0,temp;\n\tscanf(\"%d\",&n);\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t}\n\t for(i=1;i<n;++i)\n        for(j=0;j<(n-i);++j)\n            if(a[j]>a[j+1])\n            {\n                temp=a[j];\n                a[j]=a[j+1];\n                a[j+1]=temp;\n            }\n            scanf(\"%d\",&t);\n\tfor(i=0;i<n;i++)\n\t{\n\t    \tans=1;\n\t\tfor(k=i+1;k<n;k++)\n\t\t{\n\t\t\tif(a[k]-a[i]<=t)\n\t\t\tans++;\n\t\t\telse\n\tbreak;\n\t\t}\n\t\t\n\tif(ans>max)\n\tmax=ans;\n\t}\n\tprintf(\"%d\",max);\n\t\n}", "src_uid": "086d07bd6f9031df09bd6a6e8fe8f25c"}
{"source_code": "#include <stdio.h>\r\n\r\nint main() {\r\n    long long int n,m;\r\n    scanf(\"%lld %lld\", &n, &m);\r\n    if(m>1.5){\r\n        printf(\"%lld\\n\",(m-1)*(n));\r\n        \r\n    }\r\n    else{\r\n        printf(\"%lld\\n\",n-1);\r\n    }\r\n    return 0;\r\n}", "src_uid": "a91aab4c0618d036c81022232814ef44"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n#include <stdlib.h>\n#define EPS 1e-10\n#define SQ(x) ((x)*(x))\n#define EQ(x,y) (fabs((x)-(y))<EPS)\n\nint r,h;\ndouble ax,ay,az,ad,bx,by,bz,bd,d,th,ha,hb,temp1,temp2;\n\nvoid print(double a){exit(!printf(\"%.14f\\n\",a));}\nvoid swap(double*a,double*b){double temp=*a;*a=*b;*b=temp;}\ndouble hypot3(double x,double y,double z){return sqrt(x*x+y*y+z*z);}\ndouble angle(double a,double b,double c,double d){return atan2(a*d-b*c,a*c+b*d);}\n\n\n\ndouble hh(double thp,double th){\n    double lr,lb,bth;\n    double tx=r*cos(th),ty=r*sin(th);\n    lr=r*sqrt(2*(1-cos(thp-th)));\n    bth=angle(tx,ty,bx,by);\n    lb=sqrt(SQ(d)+SQ(bd)-2*d*bd*cos(bth*r/d));\n    return lr+lb;\n}\n\ndouble g(double th){\n    double la,ath,sx,sy;\n    double blg,brg,bllg,brrg,bld,brd;\n    sx=r*cos(th); sy=r*sin(th);\n    ath=angle(sx,sy,ax,ay);\n    la=sqrt(SQ(d)+SQ(ad)-2*d*ad*cos(ath*r/d));\n\n    blg=0; brg=2*M_PI;\n    while(brg-blg>EPS){\n        bllg=(blg*19+brg)/20; brrg=(blg+brg*19)/20;\n        bld=hh(th,bllg); brd=hh(th,brrg);\n        bld>brd?blg=bllg:(brg=brrg);\n    }\n    return la+bld;\n}\n\ndouble f(double th){\n    double tx=r*cos(th),ty=r*sin(th),lr,lb;\n    lr=hypot(ax-tx,ay-ty);\n    th=angle(tx,ty,bx,by);\n    lb=sqrt(SQ(d)+SQ(bd)-2*d*bd*cos(th*r/d));\n    return lr+lb;\n}\n\nmain(){\n    int i,j;\n    double ans=1e9,alg,arg,allg,arrg,ald,ard;\n\n    scanf(\"%d%d%lf%lf%lf%lf%lf%lf\",&r,&h,&ax,&ay,&az,&bx,&by,&bz);\n    if(EQ(ax,bx)&&EQ(ay,by)&&EQ(az,bz)) print(.0);\n    if(az<EPS&&bz<EPS) print(hypot(ax-bx,ay-by));\n    if(bz<az)swap(&ax,&bx),swap(&ay,&by),swap(&az,&bz);\n    ad=hypot3(ax,ay,az-h); bd=hypot3(bx,by,bz-h);\n    d=hypot(h,r);\n    ha=hypot(ax,ay); hb=hypot(bx,by);\n    th=acos((ax*bx+ay*by)/(ha*hb));\n\n    if(az<EPS){\n        if(EQ(bz,h)) print(d+r-ha);\n        alg=0; arg=2*M_PI;\n        while(arg-alg>EPS){\n            allg=(alg*49+arg)/50; arrg=(alg+arg*49)/50;\n            ald=f(allg); ard=f(arrg);\n            ald>ard?alg=allg:(arg=arrg);\n        }\n        print(ald);\n    }\n\n    if(EQ(bz,h)) print(ad);\n    temp1=sqrt(SQ(ad)+SQ(bd)-2*ad*bd*cos(th*r/d));\n    alg=0; arg=2*M_PI;\n    while(arg-alg>EPS){\n        allg=(alg*49+arg)/50; arrg=(alg+arg*49)/50;\n        ald=g(allg); ard=g(arrg);\n        ald>ard?alg=allg:(arg=arrg);\n    }\n    temp2=ald;\n    print(temp1<temp2?temp1:temp2);\n    return 0;\n}\n", "src_uid": "c89cc89ed9ba18211a8272cece600f33"}
{"source_code": "#include<stdio.h>\n\nint a[5], b[5];\n\nint mu(int a, int n){\n\tint i, kq=1;\n\tfor(i=0;i<n;i++){\n\t\tkq*=a;\n\t}\n\treturn kq;\n}\nint tinh(int p[], int n, int base){\n\tint i,sum=0;\n\tfor(i=n-1;i>=0;i--){\n\t\tsum+=p[i]*mu(base,n-i-1);\n\t}\n\treturn sum;\n}\n\nint main(){\n\tint i,na, nb, ma=0,mb=0,max,check=0;\n\tchar c;\n\ti=0;\n\twhile((c=getchar())!=EOF){\n\t\tif(c>='0' && c<'9') a[i++]=c-'0';\n\t\tif(c>='A' && c<='Z') a[i++]=c-'A'+10;\n\t\tif(a[i-1]>ma) ma=a[i-1];\n\t\tif(c==':') break;\n\t}\n\tna=i;\n\ti=0;\n\twhile((c=getchar())!=EOF){\n\t\tif(c>='0' && c<'9') b[i++]=c-'0';\n\t\tif(c>='A' && c<='Z') b[i++]=c-'A'+10;\n\t\tif(b[i-1]>mb) mb=b[i-1];\n\t\tif(c=='\\n') break;\n\t}\n\tnb=i;\n\t//for(i=0;i<na;i++) printf(\"%d \\n\", a[i]);\n\t//for(i=0;i<nb;i++) printf(\"%d \\n\", b[i]);\n\tif(ma>mb) max = ma+1;\n\telse max = mb+1;\n\t//printf(\"%d %d %d %d\\n\",na, nb,tinh(a,na,max), tinh(b,nb,max));\n\tif(tinh(a,na,max)>23 || tinh(b,nb,max)>59){\n\t\tprintf(\"0\\n\");\n\t\treturn 0;\n\t}\n\t\n\tfor(i=0;i<na-1;i++)\n\t\tif(a[i]!=0) check =1;\n\tfor(i=0;i<nb-1;i++)\n\t\tif(b[i]!=0) check =1;\n\tif(check==0){\n\t\tprintf(\"-1\\n\");\n\t\treturn 0;\n\t}\n\t\n\ti=max;\n\twhile(tinh(a,na,i)<24 && tinh(b,nb,i)<60){\n\t\tprintf(\"%d \",i);\n\t\ti++;\n\t}\n\tprintf(\"\\n\");\n\treturn 0;\n}", "src_uid": "c02dfe5b8d9da2818a99c3afbe7a5293"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint a,b,i,j,max,min,count=0;\n\tint c[10000]={};\n\tscanf(\"%d %d\",&a,&b);\n\tif(a==b)\n\t{\n\t\tprintf(\"infinity\\n\");\n\t}\n\telse if(a<b)\n\t{\n\t\tprintf(\"0\\n\");\n\t}\n\telse\n\t{\n\t\tmax=a-b;\n\t\tmin=b+1;\n\t\tj=1;\n\t\tfor(i=1;i*i<max;i++)\n\t\t{\n\t\t\tif(max%i==0)\n\t\t\t{\n\t\t\t\tc[j]=i;\n\t\t\t\tj++;\n\t\t\t\tc[j]=max/i;\n\t\t\t\tj++;\n\t\t\t}\n\t\t}\n\t\tif(i*i==max)\n\t\t\tc[j]=i;\n\t\tfor(i=1;i<=j;i++)\n\t\t{\n\t\t\tif(c[i]>=min && c[i]<=max)\n\t\t\t{\n\t\t\t\tcount++;\n\t\t\t}\n\t\t}\n\t\tprintf(\"%d\\n\",count);\n\t}\n\treturn 0;\n}\n", "src_uid": "6e0715f9239787e085b294139abb2475"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n\tint i,k=0,n;\n\tscanf(\"%d\",&n);\n\tchar s[n+1];\n\tscanf(\"%s\",s);\n\tfor(i=0;i<=n-1;i=i+k)\n\t{\n\t\tprintf(\"%c\",s[i]);\n\t\tk=k+1;\n\t\t\n\t}\n\treturn 0;\n}\n", "src_uid": "08e8c0c37b223f6aae01d5609facdeaf"}
{"source_code": "#include<stdio.h>\nint main(){\n    int a,b,k;\n    char arr[50];\n    char store[50];\n    scanf(\"%d%d\",&a,&b);\n    getchar();\n    double s=0;\n    double res=0; double x=0;\n    int i;\n    for(i=0;i<a;i++){\n    gets(arr);\n    if(strlen(arr)==8){\n    store[i]='2';\n    }\n    else{\n    store[i]='1';\n    }\n    }\n    for(k=i-1;k>=0;k--){\n    if(store[k]=='2'){\n    s=(2*res)+0.5;\n    res=s;\n    x=x+(res*b);\n    }\n    else{\n    s=(2*res);\n    res=s;\n    x=x+(res*b);\n    }}\n    printf(\"%lld\",(long long int)x);\n}\n", "src_uid": "6330891dd05bb70241e2a052f5bf5a58"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n\nint main(){\nint n,i;\nlong int a;\nscanf(\"%d\",&n);\nif(n%2!=0){a=0;}\nelse{\na=pow(2,(n/2));\n}\nprintf(\"%ld\",a);\nreturn 0;\n}", "src_uid": "4b7ff467ed5907e32fd529fb39b708db"}
{"source_code": "/*\n * Find out the minimum number of prime addends which number n can be split into.\n * Algorithm Complexity\n * Time:  O(???)\n * Space: O(1)\n */\n\n#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n\n\nchar IsPrime(int a){\n\tif(a == 2) return 1;\n\tint i;\n\tchar prime = 1;\n\tfor(i = 2; i <= (int)sqrt((double)a) && prime == 1; i++)\n\t\tif(a%i == 0) prime = 0;\n\treturn prime;\n}\n\nint optimal(int n){\n\tint i = n, p = 0;\n\twhile(i != 0){\n\t\tif(IsPrime(i) == 1 && n-1 != 1 && optimal(n-i) < 3){\n\t\t\tp++;\n\t\t\tn -= i;\n\t\t\ti = n;\n\t\t}else i--;\n\t}\n\treturn p;\n}\n\n\nint main(int argc, char* argv[]){\n\tint n, p = 0, i;\n\tscanf(\"%d\", &n);\n\ti = n;\n\t\n\tif(IsPrime(n) == 1){ \n\t\tprintf(\"1\\n\");\n\t\treturn 0;\n\t}\n\tif(n%2 == 0){\n\t\tprintf(\"2\\n\");\n\t\treturn 0;\n\t}\n\twhile(i != 0){\n\t\tif(IsPrime(i) == 1 && n-i != 1 && optimal(n-i) < 3){\n\t\t\tp++;\n\t\t\t//printf(\"%d \", i);\n\t\t\tn -= i;\n\t\t\ti = n;\n\t\t}else i--;\n\t}\n\tif(p > 3) p = 3;\n\tprintf(\"%d\\n\", p);\n\treturn 0;\n}\n", "src_uid": "684ce84149d6a5f4776ecd1ea6cb455b"}
{"source_code": "/*\r\n * @题目: \r\n * @算法: \r\n * @Author: Blore\r\n * @Language: c++11\r\n * @Date: 2021-08-06 09:23:07\r\n * @LastEditors: Blore\r\n * @LastEditTime: 2021-08-06 11:14:30\r\n */\r\n#include <stdio.h>\r\n\r\nint main()\r\n{\r\n    int t;\r\n    scanf(\"%d\", &t);\r\n    while (t--)\r\n    {\r\n        int n, m, k1;\r\n        scanf(\"%d%d%d\", &n, &m, &k1);\r\n        int k2 = n * m / 2 - k1;\r\n        if (m % 2 == 1)\r\n        {\r\n            k2 -= n / 2;\r\n            if (k2 < 0)\r\n            {\r\n                puts(\"NO\");\r\n                continue;\r\n            }\r\n        }\r\n        else if (n % 2 == 1)\r\n        {\r\n            k1 -= m / 2;\r\n            if (k1 < 0)\r\n            {\r\n                puts(\"NO\");\r\n                continue;\r\n            }\r\n        }\r\n        if (k1 * k2 % 2 != 0)\r\n            puts(\"NO\");\r\n        else\r\n            puts(\"YES\");\r\n    }\r\n    return 0;\r\n}", "src_uid": "4d0c0cc8faca62eb6384f8135b30feb8"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int k,i,j;\n    scanf(\"%d\", &k);\n    for ( i = 0; i < 26; i++)\n    {\n        int cnt = 1;\n        while ((cnt + 1) * cnt / 2 <= k) \n            cnt++;\n        k -= cnt * (cnt - 1) / 2;\n        for ( j = 0; j < cnt; j++) \n            printf(\"%c\", 'a' + i);\n    }\n    return 0;\n}", "src_uid": "b991c064562704b6106a6ff2a297e64a"}
{"source_code": "#include <stdio.h>\n\nint main() {\n\tint n, k, i, j, min, max;\n\tscanf(\"%d%d\", &n, &k);\n\tif (n != k && k!= 0) min = 1;\n\telse min = 0;\n\n\tif ( (n / 3) >= k) {\n\t\tmax = k * 2;\n\t}\n\telse {\n\t\tmax = n - k;\n\t}\n\n\tprintf(\"%d %d\", min, max);\n}", "src_uid": "bdccf34b5a5ae13238c89a60814b9f86"}
{"source_code": "#include<stdio.h>   //AA06( 11/ 07/ 20) If u see my code, Have a Good Day! (^_^)\n\nint Ans(int n, int k);\n\nint main()\n{\n    int n, k;\n\n    scanf(\"%d%d\", &n, &k);\n\n    printf(\"%d\\n\", Ans(n, k));\n\n    return 0;\n}\n\nint Ans(int n, int k)\n{\n    int X = ((n/ k) + 1) * k;\n\n    return X;\n}\n", "src_uid": "75f3835c969c871a609b978e04476542"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\nint main()\n{\n    int i = 0, st = 0, sum = 0, res = 1, j = 0, arr[402];\n    char c;\n    for (i = 0; i < 401; i++) arr[i] = 5;\n    i = 0;\n    while ((c = getchar()) != '\\n')\n    {\n        if (c == '>')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 0;\n            arr[i + 2] = 0;\n            arr[i + 3] = 0;\n            i += 4;\n        }\n        if (c == '<')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 0;\n            arr[i + 2] = 0;\n            arr[i + 3] = 1;\n            i += 4;\n        }\n        if (c == '+')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 0;\n            arr[i + 2] = 1;\n            arr[i + 3] = 0;\n            i += 4;\n        }\n        if (c == '-')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 0;\n            arr[i + 2] = 1;\n            arr[i + 3] = 1;\n            i += 4;\n        }\n        if (c == '.')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 1;\n            arr[i + 2] = 0;\n            arr[i + 3] = 0;\n            i += 4;\n        }\n        if (c == ',')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 1;\n            arr[i + 2] = 0;\n            arr[i + 3] = 1;\n            i += 4;\n        }\n        if (c == '[')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 1;\n            arr[i + 2] = 1;\n            arr[i + 3] = 0;\n            i += 4;\n        }\n        if (c == ']')\n        {\n            arr[i    ] = 1;\n            arr[i + 1] = 1;\n            arr[i + 2] = 1;\n            arr[i + 3] = 1;\n            i += 4;\n        }\n        st++;\n    }\n    st *= 4;\n    st--;\n    for (i = 0; arr[i] != 5; i++)\n    {\n        if (arr[i])\n        {\n        for (j = 0; j < st; j++)\n        res =res * 2 % 1000003;\n        sum += res % 1000003;\n        }\n        res = 1;\n        st--;\n    }\n    printf(\"%d\", sum % 1000003);\n    return 0;\n}\n", "src_uid": "04fc8dfb856056f35d296402ad1b2da1"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long int n;\n    int a=0,b=1;\n    scanf(\"%ld\",&n);\n    if(n%4==0||n%4==3)\n    {\n        printf(\"%d\",a);\n    }\n    else\n    {\n        printf(\"%d\",b);\n    }\n    return 0;\n}", "src_uid": "fa163c5b619d3892e33e1fb9c22043a9"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint main()\n{\n\tchar arr[7][20] = {\"sunday\", \"monday\", \"tuesday\",\"wednesday\",\"thursday\",\"friday\",\"saturday\"};\n\tchar str1[20], str2[20];\n\tint i, one, two, diff;\n\tscanf(\"%s\",str1);\n\tscanf(\"%s\",str2);\n\tfor (i=0; i<7; i++)\n\t\tif (!strcmp(str1, arr[i])) one = i;\n\tfor (i=0; i<7; i++)\n\t\tif (!strcmp(str2, arr[i])) two = i;\n\tdiff = (two-one+7) % 7;\n\tif (diff ==0 || diff==2 || diff ==3) printf(\"YES\\n\");\n\telse\tprintf(\"NO\\n\");\n\treturn 0;\n}\n", "src_uid": "2a75f68a7374b90b80bb362c6ead9a35"}
{"source_code": "#include <stdio.h>\n\ntypedef long long int LL;\n\nLL power(int n,int k){\n    LL t = 1;\n    while(k--){\n        t*=n;\n    }\n    return t;\n}\n\nLL findAns(LL n){\n    if(n<10)    return n;\n    LL ans = 9+(n-10)/10;\n    int m = n%10;\n    while(n>9){\n        n/=10;\n    }\n    if(m>=n)    ++ans;\n    return ans;\n}\n\nint main(void){\n    LL l,r;\n    scanf(\"%I64d %I64d\",&l,&r);\n    //printf(\"%I64d %I64d\\n\",l,r);\n    if((l<1)||(l>r)||(r>power(10,18)))\n        return 0;\n    LL ans = findAns(r)-findAns(l-1);\n    printf(\"%I64d\",ans);\n    return 0;\n}\n", "src_uid": "9642368dc4ffe2fc6fe6438c7406c1bd"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    long long int n,k,numlessk;\n    while(scanf(\"%I64d\",&n)==1)\n    {\n        if(n==0){\n            printf(\"1\\n\");\n            continue;\n        }\n        k=(n*6)+1;\n        numlessk=((n-1)*(n))/2;\n        printf(\"%I64d\\n\",k+numlessk*6);\n    }\n    return 0;\n}", "src_uid": "c046895a90f2e1381a7c1867020453bd"}
{"source_code": "#include <stdio.h>\n#include <math.h>\nint main(){\n    long long int n,i,m;\n    int k=0;\n    scanf(\"%lld\",&n);\n \n \n    for( i=2;i*i<=n;i++){\n        if(n%i==0){\n        while(n%i==0){\n            n/=i;\n        }\n        printf(\"%lld\\n\",n==1?i:1);\n        return 0;\n \n    }}\n    printf(\"%lld\",n);\n \n    return 0;\n}", "src_uid": "f553e89e267c223fd5acf0dd2bc1706b"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nmain()\n{int n;\nscanf(\"%d\",&n);\nint i,nb=1;\nchar s[n+1];\nscanf(\"%s\",s);\nfor(i=0;i<n;i++)\nif(s[i]=='?')\n{\nif(s[i+1]=='?'||s[i-1]==s[i+1]||i==n-1||i==0)\nnb=2;}\nelse\nif(s[i]==s[i+1])\n{\nnb=1;\nbreak;}\n\n\n  \n  if(nb==1)\n  printf(\"NO\");\n  else\n  printf(\"YES\");\n}\n", "src_uid": "f8adfa0dde7ac1363f269dbdf00212c3"}
{"source_code": "#include<stdio.h>\nint main()\n{long long int a[3]={0},b,c,y,x,i,j,k=0,t;\nscanf(\"%I64d %I64d %I64d\",&a[0],&a[1],&a[2]);\nfor(i=0;i<3;i++)\nfor(j=0;j<3-i-1;j++)\nif(a[j]<a[j+1])\n{t=a[j];\na[j]=a[j+1];\na[j+1]=t;}\n\nwhile(a[1]!=0)\n{for(i=1;i>=0;i--)\n{    if(a[i]-a[i+1]==0)\n    {\n        k+=a[i];\n        goto flag;\n    }\n}if(a[1]-a[2]==1)\n{k+=a[0]-a[1];a[0]=a[1];}\nelse\n{\n    x=(a[1]+a[2])/2;\n    y=x-a[2];\n    a[2]=x;\n    a[1]-=y;\n    a[0]-=y;\n    k+=y;\n}\n\nif(a[1]<a[2])\n{t=a[1];\na[1]=a[2];\na[2]=t;}\n}flag:\nprintf(\"%I64d\",k);\n\nreturn 0;\n}\n", "src_uid": "b8008caf788336775cb8ebb76478b04c"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tlong long int n,sum=0,a,b,k;\n\tscanf(\"%lld\",&n);\n\ta=1;\n\tb=1;\n\tk=a+b;\n\twhile(k<=n)\n\t{ \n\t\tsum++;\n\t    \ta=b;\n\t  \tb=k;\n\t  \tk=a+b;\t\n\t}\n\tprintf(\"%lld\",sum);\n}", "src_uid": "3d3432b4f7c6a3b901161fa24b415b14"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<stdint.h>\n#include<inttypes.h>\n#include<math.h>\n#include<string.h>\n\ntypedef int64_t i64;\ntypedef int32_t i32;\n\nstatic void print_int(i64 n){if(n<0){putchar('-');n=-n;}if(n==0){putchar('0');return;}int s[20],len=0;while(n>0){s[len++]=n%10+'0';n/=10;}while(len>0){putchar(s[--len]);}}\nstatic i64 read_int(void){int prev='\\0';int c=getchar();while(!('0'<=c && c<='9')){prev=c;c=getchar();}i64 res=0;while('0'<=c && c<='9'){res=10*res+c-'0';c=getchar();}return prev=='-'?-res:res;}\n\nconst i32 mod = 1000000007;\n\ni32 inv (i32 a) {\n  i32 t = 1;\n  while (a > 1) {\n    t = (i64) t * (mod - mod / a) % mod;\n    a = mod % a;\n  }\n  return t;\n}\n\ni32 mod_pow (i32 r, i32 n) {\n  i32 t = 1;\n  i32 s = r;\n  while (n > 0) {\n    if (n & 1) t = (i64) t * s % mod;\n    s = (i64) s * s % mod;\n    n >>= 1;\n  }\n  return t;\n}\n\n#define MAX(a,b) ((a)>(b)?(a):(b))\n#define MIN(a,b) ((a)<(b)?(a):(b))\n#define ABS(a) ((a)>(0)?(a):-(a))\n\nvoid matmul (i32 *c, i32 *a, i32 *b, i32 n) {\n  static i32 *tmp = NULL;\n  if (tmp == NULL) {\n    tmp = (i32 *) calloc (n * n, sizeof (i32));\n  }\n  memset (tmp, 0, sizeof (i32) * n * n);\n  for (i32 i = 0; i < n; ++i) {\n    for (i32 k = 0; k < n; ++k) {\n      for (i32 j = 0; j < n; ++j) {\n\ttmp[i * n + j] = (tmp[i * n + j] + (i64) a[i * n + k] * b[k * n + j]) % mod;\n      }\n    }\n  }\n  memcpy (c, tmp, sizeof (i32) * n * n);\n}\n\nvoid run (void) {\n  i32 n = read_int();\n  i32 k = read_int();\n  i32 *a = (i32 *) calloc (n, sizeof (i32));\n  i32 cnt[2] = {0, 0};\n  for (i32 i = 0; i < n; ++i) {\n    a[i] = read_int();\n    cnt[a[i]]++;\n  }\n  if (cnt[0] == 0 || cnt[1] == 0) {\n    puts(\"1\");\n    return;\n  }\n  i32 d = 0;\n  for (i32 i = 0; i < cnt[0]; ++i) {\n    d += a[i];\n  }\n  const i32 m = MIN(cnt[0], cnt[1]) + 1;\n  i32 *t = (i32 *) calloc (m * m, sizeof (i32));\n  i32 *s = (i32 *) calloc (m * m, sizeof (i32));\n  for (i32 i = 0; i < m; ++i) {\n    t[i * m + i] = 1;\n    s[i * m + i] = cnt[0] * (cnt[0] - 1) / 2 + cnt[1] * (cnt[1] - 1) / 2 + (cnt[0] - i) * i + i * (cnt[1] - i);\n    if (i + 1 < m) {\n      s[i * m + i + 1] = (cnt[0] - i) * (cnt[1] - i);\n    }\n    if (i - 1 >= 0) {\n      s[i * m + i - 1] = i * i;\n    }\n  }\n  i32 p = inv (n * (n - 1) / 2);\n  for (i32 i = 0; i < m * m; ++i) {\n    s[i] = (i64) s[i] * p % mod;\n  }\n  while (k > 0) {\n    if (k & 1) matmul (t, t, s, m);\n    matmul (s, s, s, m);\n    k >>= 1;\n  }\n  i32 ans = t[d * m + 0];\n  print_int (ans);\n  puts(\"\");\n}\n\nint main (void) {\n  run ();\n  return 0;\n}\n", "src_uid": "77f28d155a632ceaabd9f5a9d846461a"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(void)\n{\n    char map[4][4], temp[4] = {0,}, map2[4][4];\n    int c = 0;\n    \n    for(int i = 0; i < 4; i++)\n    {\n        scanf(\"%s\", map[i]);\n    }\n    \n    for(int i = 0; i < 4; i++)\n    {\n        for(int j = 0; j < 4; j++)\n        {\n            map2[i][j] = map[j][i];\n        }\n    }\n    \n    //row\n    for(int i = 0; i < 4; i++)\n    {\n        for(int j = 0, x = 0, dot = 0; j < 2; j++)\n        {\n            strncpy(temp, &map[i][j], 3);\n            \n            for(int k = 0; k < 3; k++)\n            {\n                if (temp[k] != 'o')\n                {\n                    x++;\n                    if (temp[k] == '.')\n                    {\n                        dot++;\n                    }\n                }\n            }\n            if (x == 3)\n            {\n                if (dot == 1 ||dot ==  0)\n                {\n                    c++;\n                }\n            }\n            dot = 0;\n            x = 0;\n            \n        }\n    }\n    //row\n    for(int i = 0; i < 4; i++)\n    {\n        for(int j = 0, x = 0, dot = 0; j < 2; j++)\n        {\n            strncpy(temp, &map2[i][j], 3);\n            \n            \n            for(int k = 0; k < 3; k++)\n            {\n                if (temp[k] != 'o')\n                {\n                    x++;\n                    if (temp[k] == '.')\n                    {\n                        dot++;\n                    }\n                }\n            }\n            if (x == 3)\n            {\n                if (dot == 1 ||dot ==  0)\n                {\n                    c++;\n                }\n                \n            }\n            dot = 0;\n            x = 0;\n        }\n    }\n\n    for(int i = 0, x = 0, dot = 0; i< 2; i++)\n    {\n        for(int j = 0; j < 3; j++)\n        {\n            temp[j] = map[2 - j + i][2 - j];\n        }\n        for(int k = 0; k < 3; k++)\n        {\n            if (temp[k] != 'o')\n            {\n                x++;\n                if (temp[k] == '.')\n                {\n                    dot++;\n                }\n            }\n        }\n        if (x == 3)\n        {\n            if (dot == 1 ||dot ==  0)\n            {\n                c++;\n            }\n        }\n        \n        dot = 0;\n        x = 0;\n    }\n    for(int i = 0, x = 0, dot = 0; i< 2; i++)\n    {\n        for(int j = 0; j < 3; j++)\n        {\n            temp[j] = map[2 - j + i][2 - j + 1];\n        }\n        for(int k = 0; k < 3; k++)\n        {\n            if (temp[k] != 'o')\n            {\n                x++;\n                if (temp[k] == '.')\n                {\n                    dot++;\n                }\n            }\n        }\n        if (x == 3)\n        {\n            if (dot == 1 ||dot ==  0)\n            {\n                c++;\n            }\n        }\n        \n        dot = 0;\n        x = 0;\n    }\n    \n    for(int i = 0, x = 0, dot = 0; i< 2; i++)\n    {\n        for(int j = 0; j < 3; j++)\n        {\n            temp[j] = map[2 - j + i][j];\n        }\n        for(int k = 0; k < 3; k++)\n        {\n            if (temp[k] != 'o')\n            {\n                x++;\n                if (temp[k] == '.')\n                {\n                    dot++;\n                }\n            }\n        }\n        if (x == 3)\n        {\n            if (dot == 1 || dot == 0)\n            {\n                c++;\n            }\n        }\n        \n        \n        dot = 0;\n        x = 0;\n    }\n    for(int i = 0, x = 0, dot = 0; i< 2; i++)\n    {\n        for(int j = 0; j < 3; j++)\n        {\n            temp[j] = map[2 - j + i][j + 1];\n        }\n        for(int k = 0; k < 3; k++)\n        {\n            if (temp[k] != 'o')\n            {\n                x++;\n                if (temp[k] == '.')\n                {\n                    dot++;\n                }\n            }\n        }\n        if (x == 3)\n        {\n            if (dot == 1 || dot == 0)\n            {\n                c++;\n            }\n        }\n        dot = 0;\n        x = 0;\n    }\n    \n    \n    \n    if (c == 0)\n    {\n        puts(\"NO\");\n    }\n    else\n    {\n        puts(\"YES\");\n    }\n    \n    return 0;\n}", "src_uid": "ca4a77fe9718b8bd0b3cc3d956e22917"}
{"source_code": "#include<stdio.h>\n\n#define MOD 998244353\nint fact[1000006], wpar[1000006<<1], n, level;\n\nint mul(int a, int b){\n  return (a*1ll*b)%MOD;\n}\n\nint powmod(int b, int p){\n  int t = 1;\n  while(p){\n    if(p&1)t = mul(t, b);\n    b = mul(b, b);\n    p>>=1;\n  }\n  return t;\n}\n\nint ncr(int _n, int r){\n  return mul(mul(fact[_n], powmod(fact[r], MOD - 2)), powmod(fact[_n - r], MOD - 2));\n}\n\nvoid dfs(int x, int bits){\n  if(bits > level) return;\n  int l, r;\n  l = x<<1;\n  r = l|1;\n  if(x&1){\n    // x is a right child\n    wpar[l] = 1;\n    wpar[r] = 1^wpar[x]^wpar[l];\n  } else {\n    // x is a left child\n    wpar[r] = 0;\n    wpar[l] = 1^wpar[x]^wpar[r];\n  }\n  dfs(l, bits + 1);\n  dfs(r, bits + 1);\n}\n\nint getpossib(int lparity){\n  int i, rem;\n  wpar[2] = lparity;\n  wpar[3] = 1^wpar[1]^wpar[2];\n  dfs(2, 2);dfs(3, 2);\n\n  rem = n - (1<<level) + 1;\n\n  for(i = (1<<(level - 1));i < (1<<level);i++){\n    //    printf(\"wpar[%d]: %d\\n\", i, wpar[i]);\n    if(i&1){\n      if(wpar[i]) return 0;\n      rem--;\n    } else {\n      if(1^wpar[i]) rem--;\n    }\n  }\n  return rem == 0;\n}\n\nint main(){\n  int i;\n  scanf(\"%d\", &n);\n  \n  fact[0] = 1;\n  for(i = 1;i < 1000006;i++)fact[i] = mul(fact[i - 1], i);\n  \n  if(n == 1 || n == 2){printf(\"1\\n\");return 0;}\n  if(n == 3){printf(\"0\\n\");return 0;}\n  \n  for(level = 0; (1<<level) - 1 < n;level++);\n  level--;\n\n  wpar[1] = n&1;\n  printf(\"%d\\n\", getpossib(0) + getpossib(1));\n\n  return 0;\n}\n", "src_uid": "821409c1b9bdcd18c4dcf35dc5116501"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint n, m;\n\tscanf(\"%d %d\", &n, &m);\n\tint i, j, k;\n\tint a[30], b[30];\n\tfor (i = 0; i < m; i++)\n\t{\n\t\tscanf(\"%d %d\", &a[i], &b[i]);\n\t\ta[i]--;\n\t\tb[i]--;\n\t}\n\tint max = 1;\n\tfor (i = 0; i < n; i++)\n\t\tmax *= 6;\n\tint used[10][10];\n\tfor (i = 0; i < 10; i++)\n\t\tfor (j = 0; j < 10; j++)\n\t\t\tused[i][j] = 1;\n\tint p, q[10];\n\tint ans = 0, count;\n\tfor (j = 0; j < max; j++)\n\t{\n\t\tp = j;\n\t\tfor (i = 0; i < n; i++)\n\t\t{\n\t\t\tq[i] = p % 6;\n\t\t\tp /= 6;\n\t\t}\n\t\tfor (i = 0; i < 10; i++)\n\t\t\tfor (k = i; k < 10; k++)\n\t\t\t\tused[i][k] = 0;\n\t\tcount = 0;\n\t\tfor (i = 0; i < m; i++)\n\t\t{\n\t\t\tif (q[a[i]] < q[b[i]])\n\t\t\t{\n\t\t\t\tif (used[q[a[i]]][q[b[i]]] == 0)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tused[q[a[i]]][q[b[i]]] = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tif (used[q[b[i]]][q[a[i]]] == 0)\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t\tused[q[b[i]]][q[a[i]]] = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (ans < count)ans = count;\n\t}\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}", "src_uid": "11e6559cfb71b8f6ca88242094b17a2b"}
{"source_code": "int main(n)\n{\n    scanf(\"%d\",&n);\n    puts(n&1?\"black\":\"white 1 2\");\n    return 0;\n    }\n", "src_uid": "52e07d176aa1d370788f94ee2e61df93"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint n,m;\nchar K[65];\nlong long ans;\n\nint main()\n{\n    int i,j;\n    long long x,y,p = 1;\n    \n    scanf(\"%d%s\",&n,K+1);\n    m = strlen(K+1);\n    \n    for(i=j=m;i;i=j)\n    {\n        x = 0; y = 1;\n        for(;j > 0 && x + (K[j]-'0')*y < n && y<n;j--,y*=10)\n            x += (K[j]-'0')*y;\n        while(i-j > 1 && K[j+1] == '0') j++;\n        ans = ans + x*p;\n        p *= n;\n    }\n    \n    printf(\"%I64d\",ans);\n    return 0;\n}", "src_uid": "be66399c558c96566a6bb0a63d2503e5"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <math.h>\n#include <ctype.h>\n#include <limits.h>\n\n#define author int\n#define sph_mp main() \n#define fr(i, a, b) for((i) = (a) ; (i) < (b) ; (i)++)\n#define frr(i, a, b) for((i) = (a) ; (i) >= (b) ; (i)--)\n\nint l, r, x, y;\nint a[1000], ai = 0;\n\n\n\n// Function to print the divisors\nvoid printDivisors(int n)\n{\n    // Note that this loop runs till square root\n    int i;\n    for (i=1; i<=sqrt(n); i++)\n    {\n        if (n%i == 0)\n        {\n            // If divisors are equal, print only one\n            if (n/i == i)\n            \t{\n            \t\ta[ai] = i;\n            \t\tai++;\n\t\t\t\t}\n//                printf(\"%d \", i);\n \n            else // Otherwise print both\n            \t{\n            \t\ta[ai] = i;\n            \t\ta[ai+1] = n/i;\n            \t\tai += 2;\n\t\t\t\t}\n//                printf(\"%d %d \", i, n/i);\n        }\n    }\n}\n \nint valid(int x) {\n\treturn l <= x && x <= r;\n}\n\nint gcd(int a, int b)\n{\n    if (a == 0)\n        return b;\n    return gcd(b%a, a);\n}\n \n// Function to return LCM of two numbers\nunsigned long long lcm(unsigned long long a, unsigned long long b)\n{\n    return (a*b)/gcd(a, b);\n}\n\n/* Driver program to test above function */\nauthor sph_mp {\n\tscanf(\"%d %d %d %d\", &l, &r, &x, &y);\n\tprintDivisors(y);\n\tint res = 0;\n\tint i, j;\n\tfr(i, 0, ai) \n\t\tfr(j, 0, ai) {\n\t\t\tif(valid(a[i]) && valid(a[j])) {\n\t\t\t\tif(gcd(a[i], a[j]) == x && lcm((unsigned long long)a[i], (unsigned long long)a[j]) == y) \n\t\t\t\t\t{\n//\t\t\t\t\t\tprintf(\"%d %d\\n\", a[i], a[j]);\n\t\t\t\t\t\tres++;\n\t\t\t\t\t}\n\t\t\t}\n\t\t}\n\tprintf(\"%d\", res);\n    return 0;\n}", "src_uid": "d37dde5841116352c9b37538631d0b15"}
{"source_code": "#include <stdio.h>\n\n#define N\t23\n#define A\t4194304\n\nint bcnt(int b) {\n\treturn b == 0 ? 0 : 1 + bcnt(b & (b - 1));\n}\n\nint main() {\n\tstatic int aa[N];\n\tstatic char ii[A + 1], dp[(1 << N) - 1];\n\tint n, i, i_, a, b, b_, j, min, good;\n\n\tscanf(\"%d\", &n);\n\tfor (i = 0; i < n; i++)\n\t\tscanf(\"%d\", &aa[i]);\n\tfor (i = 0; i < n; i++)\n\t\tif (aa[i] % aa[0] != 0) {\n\t\t\tprintf(\"-1\\n\");\n\t\t\treturn 0;\n\t\t}\n\tfor (i = 1; i < n; i++)\n\t\taa[i] /= aa[0];\n\taa[0] = 1;\n\tfor (a = 0; a <= A; a++)\n\t\tii[a] = -1;\n\tfor (i = 0; i < n; i++) {\n\t\tif (aa[i] > A) {\n\t\t\tprintf(\"-1\\n\");\n\t\t\treturn 0;\n\t\t}\n\t\tii[aa[i]] = i;\n\t}\n\tmin = n + 1;\n\tdp[1] = 1;\n\tfor (b = 1, j = 0; b < 1 << n; b++) {\n\t\tif (1 << (j + 1) == b)\n\t\t\tj++;\n\t\tif (dp[b]) {\n\t\t\tif (j == n - 1) {\n\t\t\t\tif (min > bcnt(b))\n\t\t\t\t\tmin = bcnt(b);\n\t\t\t} else {\n\t\t\t\tgood = 0;\n\t\t\t\tfor (i = 0; i <= j; i++)\n\t\t\t\t\tif (aa[i] <= aa[j + 1] && (i_ = ii[aa[j + 1] - aa[i]]) != -1\n\t\t\t\t\t\t\t&& (b & 1 << i) > 0 && (b & 1 << i_) > 0) {\n\t\t\t\t\t\tgood = 1;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\tif (good) {\n\t\t\t\t\tb_ = (b | 1 << (j + 1));\n\t\t\t\t\tdp[b_] = 1;\n\t\t\t\t\tfor (i = 0; i <= j; i++)\n\t\t\t\t\t\tif ((b & 1 << i) > 0)\n\t\t\t\t\t\t\tdp[b_ ^ 1 << i] = 1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tprintf(\"%d\\n\", min == n + 1 ? -1 : min);\n\treturn 0;\n}\n", "src_uid": "359f5d1264ce16c5c5293fd59db95628"}
{"source_code": "#include \"stdio.h\"\n#include \"string.h\"\n\nint main()\n{\n\tchar s[100];\n\twhile (scanf(\"%s\",&s)!= EOF)\n\t{\n\t\tint length = strlen(s);\n\t\tfor (int i = 0; i < length; i++)\n\t\t{\n\t\t\tif (s[i] == 49)\n\t\t\t{\n\t\t\t\tint zeronum = 0;\n\t\t\t\tfor (int j = i + 1; j < length; j++)\n\t\t\t\t{\n\t\t\t\t\tif (s[j] == 48)\n\t\t\t\t\t\tzeronum++;\n\t\t\t\t}\n\t\t\t\tif (zeronum >= 6)\n\t\t\t\t{\n\t\t\t\t\tprintf(\"YES\\n\");\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tprintf(\"NO\\n\");\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(i==length-1)\n\t\t\t{\n\t\t\t    printf(\"NO\\n\");\n\t\t\t    break;\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n}", "src_uid": "88364b8d71f2ce2b90bdfaa729eb92ca"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int i=0,j=0,a,b,c=0,d=0,n,m;\n    char s[100],t[100];\n    scanf(\"%s\",s);\n    scanf(\"%s\",t);\n    m=strlen(t);\n    for(i=0;i<m;i++)\n    {\n        if(t[i]==s[c])\n        {\n            c++;\n        }\n    }\n    printf(\"%d\",c+1);\n    return  0;\n}", "src_uid": "f5a907d6d35390b1fb11c8ce247d0252"}
{"source_code": "#include<stdio.h>\nint main ()\n{\nlong long  i,k,n,m,max=0,min=0;\nscanf(\"%lld%lld\",&n,&m);\nmax=n-m+1;\nmax=max*(max-1)/2;\nk=n/m;\nmin=(k*m*(k-1))/2+(n%m)*k;\nprintf(\"%lld %lld\",min,max);\nreturn 0;}\n", "src_uid": "a081d400a5ce22899b91df38ba98eecc"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <ctype.h>\n#include <string.h>\n#include <math.h>\n\n\nint main()\n{\n    char string[40];\n    scanf(\"%s\", string);\n    int buffer;\n    int len = strlen(string);\n    int i;\n    \n    if(len == 1 && string[i] == '9')\n    {\n        printf(\"9\\n\");\n        return 0;\n    }\n\n    for(i=0;i<len;++i)\n    {\n        \n        buffer = (int)(string[i]-'0');\n        //printf(\"----> %i\\n\\n\",buffer);\n\n        if(i==0 && buffer==9)\n            {\n                 printf(\"9\");\n                continue;\n                \n            }\n\n        if(9-buffer < buffer && 9-buffer>=0)\n            printf(\"%i\",9-buffer);\n        else\n            printf(\"%i\",buffer);\n\n    }\n\n\n\n    return 0;\n}", "src_uid": "d5de5052b4e9bbdb5359ac6e05a18b61"}
{"source_code": "#include <stdio.h>\n\nint main(){\n  int a, b, k = 0, n, x, y, max = 0;\n  scanf(\"%d %d\", &x, &y);\n  n = x;\n  while(n > 0){\n    max = (max > n % 10) ? max : n % 10;\n    n /= 10;\n  }\n  n = y;\n  while(n > 0){\n    max = (max > n % 10) ? max : n % 10;\n    n /= 10;\n  }\n  max++;\n  n = 0;\n  while((x > 0) || (y > 0)){\n    a = x % 10;\n    b = y % 10;\n    k = (a + b + k) / max;\n    n++;\n    x /= 10;\n    y /= 10;\n  }\n  if (k > 0) n++;\n  printf(\"%d\", n);\n  return 0;\n}\n", "src_uid": "8ccfb9b1fef6a992177cc49bd56fab7b"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int d1,d2,d3,a,b,c,t;\n    scanf(\"%d%d%d\",&d1,&d2,&d3);\n    t=d1+d2+d3;\n    a=2*(d1+d2);\n    b=2*(d2+d3);\n    c=2*(d1+d3);\n    if(t<=a&&t<=b&&t<=c)\n        {printf(\"%d\",t);}\n    else if(a<=t&&a<=b&&a<=c)\n        {printf(\"%d\",a);}\n    else if(b<=t&&b<=a&&b<=c)\n     {printf(\"%d\",b);}\n     else if(c<=a&&c<=b&&c<=t)\n        {printf(\"%d\",c);}\n}\n", "src_uid": "26cd7954a21866dbb2824d725473673e"}
{"source_code": "#include <stdio.h>\nint main(void) {\n    int a,b,c,d;\n    scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n    int s=(a+b+c+d);\n    if(s%2!=0)\n        printf(\"NO\");\n    else{\n    if(a+b == c+d){\n        printf(\"YES\");\n        return 0;\n    }\n    if(a+c == b+d){\n        printf(\"YES\");\n        return 0;\n    }\n    if(a+d == b+c){\n        printf(\"YES\");\n        return 0;\n    }\n    if(a+b+c == d){\n        printf(\"YES\");\n        return 0;\n    }\n    if(d+b+c == a){\n        printf(\"YES\");\n        return 0;\n    }\n    if(a+d+c == b){\n        printf(\"YES\");\n        return 0;\n    }\n    if(a+b+d == c){\n        printf(\"YES\");\n        return 0;\n    }\n    printf(\"NO\");\n    }\n\treturn 0;\n}", "src_uid": "5a623c49cf7effacfb58bc82f8eaff37"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tlong long int x1,y1,x2,y2,ans=0;\n\tscanf(\"%lld%lld%lld%lld\",&x1,&y1,&x2,&y2);\n\tans=((x2-x1+2)*(y2-y1+2))/4+((x2-x1)*(y2-y1))/4;\n\tprintf(\"%lld\",ans);\n\treturn 0;\n}", "src_uid": "00cffd273df24d1676acbbfd9a39630d"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint mut(int a){return (a<0)?-a:a;}\nint main() {\n\tint i,n,cvp=0,j,arr[100][100];\n\tfor(i=0;i<5;i++)\n\t\tfor(j=0;j<5;j++)\n\t\t\t\tscanf(\"%d\",&arr[i][j]);\n\tfor(i=0;i<5;i++)\n\t\tfor(j=0;j<5;j++)\n\t\t\tif(arr[i][j])\n\t\t\t\tcvp=mut(i-2)+mut(j-2);\n\t\t\t\n\tprintf(\"%d\",cvp);\nreturn 0 ;\n}\n", "src_uid": "8ba7cedc3f6ae478a0bb3f902440c8e9"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int m, n, count = 0;\n    scanf(\"%d %d\", &n, &m);\n    /*if ( n%2 == 0 && m%2 == 0)\n        printf(\"Malvika\");\n    else if ( n%2 == 0 && m%2 != 0 )\n        printf(\"Malvika\");\n    else if ( n%2 != 0 && m%2 == 0 )\n        printf(\"Akshat\");\n    else if ( n%2 != 0 && m%2 != 0 )\n        printf(\"Akshat\");\n    while ( m > 0 && n > 0 )\n    {\n        m--;\n        n--;\n        count++;\n    }\n    if ( count % 2 == 0 )\n        printf(\"Malvika\");\n    else\n        printf(\"Akshat\");*/\n    int temp;\n    if ( m <= n )\n        temp = m;\n    else\n        temp = n;\n\n    if ( temp%2 == 0 )\n        printf(\"Malvika\");\n    else\n        printf(\"Akshat\");\n\n}\n", "src_uid": "a4b9ce9c9f170a729a97af13e81b5fe4"}
{"source_code": "//\n//  main.c\n//  73A\n//\n//  Created by Ki-baek Lee on 11. 9. 5..\n//  Copyright 2011년 __MyCompanyName__. All rights reserved.\n//\n\n#include <stdio.h>\n#include <string.h>\n#include <math.h>\n\n#define min(x,y) (((x)<(y))?(x):(y))\n\nint main (int argc, const char * argv[])\n{\n    char notes[][3] = {\"C\", \"C#\", \"D\", \"D#\", \"E\", \"F\", \"F#\", \"G\", \"G#\", \"A\", \"B\", \"H\"};\n    int pos[3];\n    char input[3][3];\n    char tmp[11], *ptr;\n    int i, j, diff[3];\n    \n    gets(tmp);\n    ptr = strtok(tmp, \" \");\n    strcpy(input[0], ptr);\n    ptr = strtok(NULL, \" \");\n    strcpy(input[1], ptr);\n    ptr = strtok(NULL, \" \");\n    strcpy(input[2], ptr);\n    \n    for(i=0;i<3;++i) {\n        for(j=0;j<12;++j)\n            if (strcmp(input[i], notes[j]) == 0)\n                pos[i] = j;\n    }\n    \n    if (pos[0] > pos[1])\n        pos[0] ^= pos[1] ^= pos[0] ^= pos[1];\n    if (pos[0] > pos[2])\n        pos[0] ^= pos[2] ^= pos[0] ^= pos[2];\n    if (pos[1] > pos[2])\n        pos[1] ^= pos[2] ^= pos[1] ^= pos[2];\n    \n    for (i=0; i<3; ++i) {\n        int tmp_pos = pos[i];\n        diff[i] = 0;\n        while (tmp_pos != pos[(i + 1) % 3]) {\n            tmp_pos = (tmp_pos + 1) % 12;\n            ++diff[i];\n        }\n    }\n    \n    if ((diff[0] == 4 && diff[1] == 3)\n        || (diff[1] == 4 && diff[2] == 3)\n        || (diff[2] == 4 && diff[0] == 3))\n        printf(\"major\\n\");\n    else if ((diff[0] == 3 && diff[1] == 4)\n             || (diff[1] == 3 && diff[2] == 4)\n             || (diff[2] == 3 && diff[0] == 4))\n        printf(\"minor\\n\");\n    else\n        printf(\"strange\\n\");\n    \n    return 0;\n}\n", "src_uid": "6aa83c2f6e095848bc63aba7d013aa58"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <ctype.h>\n#define LL long long\n#define uLL unsigned long long\nlong ms[2000000];\nvoid print(LL *a,long size) {long i;for (i=1;i<size;i++) {printf(\"%lld \",a[i]);}printf(\"%lld\\n\",a[i]);}\nvoid mergesort(LL*ds,long size)\n{\n\tlong i,j,k,s,b,e;\n\tfor (k=1;k<=size;k=k<<1)\n\t{\n\t\tfor (i=1;i+k<=size;i+=k<<1)\n\t\t{\n\t\t\ts=i;b=i+k;e=b+k-1;\n\t\t\tif (e>size) {e=size;}\n\t\t\tfor (j=1;(s<i+k)&&(b<=e);j++)\n\t\t\t{\n\t\t\t\tif (ds[s]<=ds[b])\n\t\t\t\t{\n\t\t\t\t\tms[j]=ds[s++];\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tms[j]=ds[b++];\n\t\t\t\t}\n\t\t\t}\n\t\t\tfor (b=i+k-1;b>=s;b--)\n\t\t\t{\n\t\t\t\tds[e--]=ds[b];\n\t\t\t}\n\t\t\tfor (b=1;b<j;b++)\n\t\t\t{\n\t\t\t\tds[i+b-1]=ms[b];\n\t\t\t}\n\t\t}\n\t}\n}\t\nlong gray(long a)\n{\n\treturn ((a<<1)^a)>>1;\n}\ninline int bsf64(int a)\n{\n\t__asm__(\"bsfl %0,%0\":\"+r\"(a));\n\treturn a; \n}\ninline int bsr64(int a)\n{\n\t__asm__(\"bsrl %0,%0\":\"+r\"(a));\n\treturn a; \n}\ninline LL max(LL a,LL b) {if (b>a) {a=b;}return a;}\ninline LL min(LL a,LL b) {if (a>b) {a=b;}return a;}\nLL ans1[1000000],ans2[1000000];\nlong num[1000],num2[1000];\nint main()\n{\n//\tfreopen(\"in.in\",\"r\",stdin);\n\tlong i,j,k,a,b,c,l,p,q,r,m,n,mid;\n\tLL baka;\n\tscanf(\"%ld %ld\\n\",&n,&m);\n//\tprintf(\"%ld %ld\\n\",n,m);\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tscanf(\"%ld\",&num[i]);\n\t\tnum[i]=num[i]%m;\n\t}\t\n\tif (n>10) {q=n>>1;} else {q=n;}\n\t*ans1=(LL)1<<q;ans1[1]=0;\n\tfor (i=1;i<=q;i++) {num2[i-1]=num[i];}\n\tfor (i=1;i<*ans1;i++)\n\t{\n\t\ta=gray(i);b=gray(i-1);\n\t\tk=a^b;\n//\t\tprintf(\"%ld\\n\",bsr64(k));\n\t\tif (a&k) {ans1[i+1]=ans1[i]+num2[bsr64(k)];}\n\t\tif (b&k) {ans1[i+1]=ans1[i]+(LL)m-num2[bsr64(k)];}\n\t\tans1[i+1]=ans1[i+1]%m;\n\t}\n//\tprint(ans1,*ans1);\n\t//////////////////\n\tq=n-q;\n\tfor (i=1;i<=q;i++) {num2[i-1]=num[n-i+1];}\n\t*ans2=(LL)1<<q;ans2[1]=0;\n\tfor (i=1;i<*ans2;i++)\n\t{\n\t\ta=gray(i);b=gray(i-1);\n\t\tk=a^b;\n\t\tif (a&k) {ans2[i+1]=ans2[i]+num2[bsr64(k)];}\n\t\tif (b&k) {ans2[i+1]=ans2[i]+m-num2[bsr64(k)];}\n\t\tans2[i+1]=ans2[i+1]%m;\n\t}\n//\tprint(ans2,*ans2);\n\tmergesort(ans1,*ans1);\n\tbaka=0;\n\tfor (i=1;i<=*ans2;i++)\n\t{\n\t\tl=1;r=*ans1;a=m-1-ans2[i];\n\t\twhile (l<=r)\n\t\t{\n\t\t\tmid=(l+r)>>1;\n\t\t\tif (ans1[mid]<a)\n\t\t\t{\n\t\t\t\tl=mid+1;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tr=mid-1;\n\t\t\t}\n\t\t}\n\t\tif (l<=*ans1) {b=(ans2[i]+ans1[l])%m;baka=max(b,baka);}\n\t\tif (r>0) {b=(ans2[i]+ans1[r])%m;baka=max(b,baka);}\n\t\tl=1;r=*ans1;a=2*m-1-ans2[i];\n\t\twhile (l<=r)\n\t\t{\n\t\t\tmid=(l+r)>>1;\n\t\t\tif (ans1[mid]<a)\n\t\t\t{\n\t\t\t\tl=mid+1;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tr=mid-1;\n\t\t\t}\n\t\t}\n\t\tif (l<=*ans1) {b=(ans2[i]+ans1[l])%m;baka=max(b,baka);}\n\t\tif (r>0) {b=(ans2[i]+ans1[r])%m;baka=max(b,baka);}\t\t\n\t}\n\tprintf(\"%lld\\n\",baka);\n\treturn 0;\n}\n", "src_uid": "d3a8a3e69a55936ee33aedd66e5b7f4a"}
{"source_code": "#include <stdio.h>\nunsigned long long int gcd(unsigned long long int a, unsigned long long int b) { \n    if (a == 0) return b; \n    return gcd(b % a, a); \n} \nint main() {\n\tunsigned long long int x;\n\tscanf(\"%llu\", &x);\n\tunsigned long long int ans[2]={1, x};\n\tfor (unsigned long long int i=1;i*i<=x;i++) {\n\t\tif (x%i==0) {\n\t\t\tif (i*i==x) continue;\n\t\t\telse {\n\t\t\t\tif (gcd(i, x/i)==1) {\n\t\t\t\t\tans[0]=i;\n\t\t\t\t\tans[1]=x/i;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tprintf(\"%llu %llu\\n\", ans[0], ans[1]);\n}\n", "src_uid": "e504a04cefef3da093573f9df711bcea"}
{"source_code": "#include<stdio.h>\n\n#include<math.h>\n\nlong long int a[10000000];\n\nmain()\n\n{\n\n    long long int n,k,i=1,j=1,ans=0,p=0;\n\n    scanf(\"%lld%lld\",&n,&k);\n\n    while(i<=sqrt(n))\n\n    {\n\n        if(n%i==0)\n\n        {   if(i*i!=n){a[p]=n/i;p++;}\n\n            if(j==k){ans=i;break;}\n\n            j++;\n\n        }\n\n        i++;\n\n\n\n    } if(ans==0)\n\n    {  p=p-1;if((p-(k-j))>=0)\n\n        ans=a[p-(k-j)];\n\n        else ans=0;\n\n    }\n\n    if(ans!=0)printf(\"%lld\\n\",ans);\n\n    else printf(\"-1\\n\");\n\n    return 0;\n\n}", "src_uid": "6ba39b428a2d47b7d199879185797ffb"}
{"source_code": "#include <stdio.h>\n\nint min(int a, int b)\n{\n    if (a < b) {\n        return a;\n    } else {\n        return b;\n    }\n}\n\nint dp[360361];\n\nint main()\n{\n    long long a, b, sum = 0;\n    int k, p = 1, i, j;\n    \n    scanf(\"%I64d %I64d %d\", &a, &b, &k);\n    \n    if (k >= 8) {\n        p *= 8;\n    } else if (k >= 4) {\n        p *= 4;\n    } else {\n        p *= 2;\n    }\n    \n    if (k >= 9) {\n        p *= 9;\n    } else if (k >= 3) {\n        p *= 3;\n    }\n    \n    if (k >= 5) p *= 5;\n    if (k >= 7) p *= 7;\n    if (k >= 11) p *= 11;\n    if (k >= 13) p *= 13;\n    \n    dp[0] = 0;\n    \n    for (i = 1; i <= p; i++) {\n        dp[i] = dp[i - 1] + 1;\n        \n        for (j = 2; j <= k; j++) {\n            int x = i % j;\n            \n            if (x > 0) dp[i] = min(dp[i - x] + 1, dp[i]);\n        }\n    }\n    \n    if (a / p > b / p) {\n        sum += dp[a % p];\n        a = a / p * p;\n        \n        sum += (a / p - b / p - 1) * dp[p];\n        a = b / p * p + p;\n    }\n    \n    for (i = 0; i <= p; i++) dp[i] = 1e9;\n    \n    if (a % p == 0) {\n        if (a == b) {\n            printf(\"%I64d\\n\", sum);\n            \n            return 0;\n        }\n        \n        dp[p] = 0;\n    } else {\n        dp[a % p] = 0;\n    }\n    \n    for (i = p; i >= 0; i--) {\n        if (dp[i] == 1e9) continue;\n        \n        if (i == b % p) {\n            printf(\"%I64d\\n\", sum + dp[i]);\n            \n            return 0;\n        }\n        \n        dp[i - 1] = min(dp[i - 1], dp[i] + 1);\n        \n        for (j = 2; j <= k; j++) {\n            int x = i % j;\n            \n            if (x > 0) dp[i - x] = min(dp[i - x], dp[i] + 1);\n        }\n    }\n    \n    return 0;\n}\n", "src_uid": "bd599d76c83cc1f30c1349ffb51b4273"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n,i;\n\n    int no=0;\n\n    scanf(\"%d\",&n);\n\n    int ara[n];\n\n    for(i=0; i<n; i++)\n    {\n        scanf(\"%d\", &ara[i]);\n    }\n\n    for(i=0; i<n-1; i++)\n    {\n        if(ara[i]<ara[i+1] )\n        {\n            continue;\n        }\n        else\n        {\n            break;\n        }\n    }\n\n    for(; i<n-1; i++)\n    {\n        if(ara[i]==ara[i+1]) continue;\n        else\n        {\n            break;\n        }\n    }\n\n    for(; i<n-1; i++)\n    {\n        if(ara[i]>ara[i+1]) continue;\n        else\n        {\n            no=1;\n            break;\n        }\n    }\n\n    if(no==1) printf(\"NO\");\n    else printf(\"YES\");\n}\n", "src_uid": "5482ed8ad02ac32d28c3888299bf3658"}
{"source_code": "int i,j,N,u[100001],D[100001],C[100001],r[100001],x,d;\nint main () {\n    scanf(\"%d\",&N);\n    for (i=3;i<=N;++i) {\n        for (j=2;2*i>=j*(j+1);++j) if ((i-j*(j+1)/2)%j==0) {\n            x=(i-j*(j+1)/2)/j,d=C[x+j]^C[x];\n            u[d]=i;\n            if (!r[i] && !d) r[i]=j;\n        }\n        while (u[D[i]]==i) ++D[i];\n        C[i]=C[i-1]^D[i];\n    }\n    if (!D[N]) puts(\"-1\");\n    else printf(\"%d\\n\",r[N]);\n    return 0;\n}\n\n", "src_uid": "63262317ba572d78163c91b853c05506"}
{"source_code": "#include<stdio.h>\n\nint N, M;\nlong long ans;\n\nint main()\n{\n\tscanf(\"%d%d\",&N,&M);\n\tregister int z, y, x;\n\tfor (x=M+1;2*x<=N+1;x++)\n\t{\n\t\tint st=(N-M-2*x)*(N+1-x)/(M-N-x);\n\t\tif (st<=M) st=M+1;\n\t\tans+=(st-M-1)*(N-M-M);\n\t\tfor (z=st,y=N-M; z<=N-M && y>M; z++)\n\t\t{\n\t\t\twhile (y>M && (x-N-1)*(x+x-y)+(x+y)*z>=0) y--;\n\t\t\tans+=(y-M)*((2*x<N+1)+1);\n\t\t}\n\t}\n\tprintf(\"%I64d\\n\",ans*3);\n\treturn 0;\n}\n", "src_uid": "355cc23d7a4addfc920c6e5e72a2bb64"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint s[100000];\n\nint compare (const void * a, const void * b)\n{\n  return ( *(int*)a - *(int*)b );\n}\n\nint main ()\n{\n  int n;\n  int i;\n  scanf(\"%d\\n\", &n);\n  for (i=0; i<n; i++){\n      scanf(\"%d\", &s[i]);\n  }\n  qsort (s, n, sizeof(int), compare);\n  for (i=0; i<n-1; i++) {\n      if (s[i+1] < 2*s[i] && s[i] != s[i+1]){\n          printf(\"YES\");\n          return 0;\n      }\n  }\n\n  printf(\"NO\");\n\n  return 0;\n}\n", "src_uid": "ab003ab094931fc105384df9d144131e"}
{"source_code": "#include<stdio.h>\n#include <string.h>\n\nint a[201][201], x, y, i, j;\nchar c[1000];\n\n\n\nint main()\n{\n\tfor(i = 0; i <= 200; i++)\n\t{\n\t\tfor(j = 0; j <= 200; j++)\n\t\ta[i][j] == 0;\t\n\t}\n\ta[199][200]= 0;\n\tscanf(\"%s\",&c);\n\tx = 100;y = 100;\n\ta[x][y] = 1;\n\tfor(i = 0; i < strlen(c); i++)\n\t{\t\n\t\tif(c[i] == 'L') x = x - 1; \n\t\tif(c[i] == 'R') x = x + 1;\n\t\tif(c[i] == 'U') y = y - 1;\n\t\tif(c[i] == 'D') y = y + 1;\n\t\ta[y][x]++;\n\t}\n\tint flag = 0;\n\tif( strlen(c) > 2 && ((y == 100 && x == 99) || (y == 100 && x == 101)|| ( y == 101 && x == 100)|| ( y == 99 && x == 100))) {printf(\"BUG\"); flag = 1; } \n\telse \n\t{\n\t\t\n\tfor(i = 0; i <= 200; i++)\n\t{\n\t\tfor( j = 0; j<= 200; j++)\n\t\tif((a[i][j] !=0 && a[i][j-1] !=0 && a[i][j+1] !=0 && a[i+1][j]) || (a[i][j] !=0 && a[i][j-1] !=0 && a[i][j+1] !=0 && a[i-1][j]) || (a[i][j] !=0 && a[i][j-1] !=0 && a[i-1][j] !=0 && a[i+1][j]) || (a[i][j] !=0 && a[i-1][j] !=0 && a[i][j+1] !=0 && a[i+1][j])) {printf(\"BUG\");goto end;}\n\t\n\t}\n\t\n\t\n\tfor(i = 0; i <= 200; i++)\n\t{\n\t\tfor( j = 0; j<= 200; j++)\n\t\tif(a[i][j] >= 2 && i != 199 && j != 200 && i != 200) { printf(\"BUG\");flag = 1; break; }\n\t\tif(flag == 1) break;\t\n\t}\n\tfor(i = 0; i <= 200; i++)\n\t{\n\tfor( j = 0; j<= 200; j++)\n\tif((a[i][j]== 1 && a[i][j-1] == 1 && a[i][j] == 1 && a[i -1][j] == 1 && a[i-1][j-1] == 1 ) || (a[i][j] == 1 && a[ i][j +1] == 1 && a[i -1][j] && a[i -1 ][j+1]) || (a[i][j] == 1 && a[i][j+1] == 1 && a[i+1][j+1] == 1 && a[i+1][j]== 1) || (a[i][j] == 1 && a[i][j -1]== 1 && a[i+1][j] == 1 && a[i +1][j -1] == 1))     { printf(\"BUG\");flag = 1; break; }\n\tif(flag == 1) break;\t\n\t}\n\t\n\t\n\tif(flag == 0)printf(\"OK\");\n\t/*\n\tprintf(\"\\n\");\n\tfor(i = 80; i <= 200; i++)\n\t{\n\tfor(j = 80; j <= 200; j++)\n\tprintf(\"%d  \",a[i][j]);\n\tprintf(\"\\n\");\t\n\t}\n\t*/\n\t\n\tend: return 0;\n\n\t}\n\t\n}", "src_uid": "bb7805cc9d1cc907b64371b209c564b3"}
{"source_code": "#include<stdio.h>\nlong long n,n1,sum,a[20],value;\n\nlong long findMinOnes(long long n,int i)\n{\n\tint count = 0;\n\tlong long value1,value2;\n\tif(n<0)\n\t\tn *=-1;\n\tif(i==1)\n\t\treturn n;\n\tif(n==1)\n\t\treturn 1;\n\t\twhile(n>a[i])\n\t\t{\n\t\t\tn-= a[i];\n\t\t\tcount+=i;\n\t\t}\n\t\tvalue1 = count + findMinOnes(n,i-1);\n\t\tn-= a[i];\n\t\tcount+=i;\n\t\tvalue2 = count + findMinOnes(n,i-1);\n\t\tif(value1 < value2)\n\t\t\treturn value1;\n\t\telse\n\t\t\treturn value2;\n}\nint main()\n{\n\tint k=1,i=0,count;\n\tlong long mul = 10;\n\tscanf(\"%I64d\",&n);\n\tn1=n;\n\twhile(n!=0)\n\t{\n\t\tn=n/10;\n\t\ti++;\n\t}\n\ta[k]=1;\n\tfor(k=2;k<=i+1;k++)\n\t{\n\t\ta[k]=a[k-1]+mul;\n\t\tmul*=10;\n\t}\n\tn=n1;\n\tprintf(\"%I64d\",findMinOnes(n,i+1));\n\treturn 0;\n}", "src_uid": "1b17a7b3b41077843ee1d6e0607720d6"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n\t\n\tlong long n,a,b,c,d,max=0,min=10000000,ans=0;\n\t\n\tscanf(\"%I64d %I64d %I64d %I64d %I64d\",&n,&a,&b,&c,&d);\n\t\n\tif(max<a+b) max=a+b;\n\tif(max<a+c) max=a+c;\n\tif(max<b+d) max=b+d;\n\tif(max<c+d) max=c+d;\n\t\n\tif(min>a+b) min=a+b;\n\tif(min>a+c) min=a+c;\n\tif(min>b+d) min=b+d;\n\tif(min>c+d) min=c+d;\n\t\n\ta=min+n-max;\n\tb=max+1-min;\n\t\n\tif(a<0) a=0;\n\t\n\t\n\tif(a<0) printf(\"0\");\n\telse printf(\"%I64d\",(a)*n);\n\t\n\t\n}\n", "src_uid": "b732869015baf3dee5094c51a309e32c"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n\n\nint main(){\n\n\tint a,b,c;\n\n\tscanf(\"%d %d %d\", &a, &b, &c);\n\n\tfor(int i = 0; i <= c/a; i++){\n\t\tif((c-i*a)%b == 0){\n\t\t\tprintf(\"Yes\");\n\t\t\treturn 0;\n\t\t}\n\t}\n\n\tprintf(\"No\");\n\n\treturn 0;\n}", "src_uid": "e66ecb0021a34042885442b336f3d911"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n, res;\n    \n    scanf (\"%d\", &n);\n    \n    printf (\"%d\\n\", n % 2 == 1 || n == 2 ? 0 : n / 4 - (n%4 == 0));\n    \n    return 0;\n}\n", "src_uid": "32b59d23f71800bc29da74a3fe2e2b37"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n\t// your code goes here\n\t\n\t\nlong long\tint n,i,sum=0,j=1;\n\tscanf(\"%I64d\",&n);\n\tfor(i=3;i<=n;i++)\n\t{\n\t    sum=sum+j;\n\t    j=j+2;\n\t    \n\t    \n\t    \n\t}\n\tprintf(\"%I64d\",sum);\n\t\n\treturn 0;\n}\n\n", "src_uid": "efa8e7901a3084d34cfb1a6b18067f2b"}
{"source_code": "i,k;long long n,p=1;main(){for(scanf(\"%I64d%d\",&n,&k);k>1&&p<n;p+=--k)++i;printf(\"%d\",p<n?-1:i);}\n", "src_uid": "83bcfe32db302fbae18e8a95d89cf411"}
{"source_code": "#include<stdio.h>\nint check(char *s,int pos){\n    for(int i=0;i<pos/2;i++){\n        if(s[i]!=s[pos-i-1])\n            return 0;\n    }\n    return 1;\n}\nint main(){\n    char str[60];\n    gets(str);\n    int len;\n    for(len=0;str[len]!='\\0';len++);\n    for(int i=len;i>1;i--){\n        for(int j=0;j<=len-i;j++){\n            char s[i];\n            int pos=0;\n            for(int k=j;k<=j+i-1;k++)\n                s[pos++]=str[k];\n            int flag=check(s,pos);\n            if(flag==0){\n                printf(\"%d\\n\",i);\n                return 0;\n            }\n        }\n    }\n    printf(\"%d\\n\",0);\n    return 0;\n}\n", "src_uid": "6c85175d334f811617e7030e0403f706"}
{"source_code": "#include<stdio.h>\nint main(){\n\tlong i,n,k,count=0,count1=0,flag=1;\n\tscanf(\"%ld %ld\",&n,&k);\n\tchar str[n];\n\tscanf(\"%s\",str);\n\tfor(i=0;i<n;i++){\n\t\tif(str[i]=='G')\n\t\t\tcount=i;\n\t\tif(str[i]=='T')\n\t\t\tcount1=i;\n\t}\n\tif(count1>count){\n\t\twhile(count<count1){\n\t\t\tif(str[count+k]=='#'){\n\t\t\t\tflag=0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcount=count+k;\n\t\t\tif(str[count]=='T'){\n\t\t\t\tflag=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\telse{\n\t\twhile(count>count1){\n\t\t\tif(str[count-k]=='#'){\n\t\t\t\tflag=0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tcount=count-k;\n\t\t\tif(str[count]=='T'){\n\t\t\t\tflag=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\tif(flag==1 && str[count]=='T')\n\t\tprintf(\"YES\\n\");\n\telse\n\t\tprintf(\"NO\\n\");\n\treturn 0;\n}\n\n\n", "src_uid": "189a9b5ce669bdb04b9d371d74a5dd41"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n;\n    scanf(\"%d\",&n);\n    int a[100][100],i,j;\n    for(i=1;i<=n;i++)\n    {\n        for(j=1;j<=n;j++)\n        {\n            if(i==1 || j==1)\n            {\n                a[i][j]=1;\n            }\n            else\n            {\n                a[i][j]=a[i-1][j]+a[i][j-1];\n            }\n        }\n    }\n    \n    printf(\"%d\",a[n][n]);\n}", "src_uid": "2f650aae9dfeb02533149ced402b60dc"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n\n\nint main(void) {\n     long long int r;\n\n\tscanf(\"%lld\", &r);\n\n\tif((r&1) == 0 || r < 5){\n\t\tprintf(\"NO\");\n\t}\n\telse{\n\t\tprintf(\"%d %I64d\",1,((r-3)/2));\n\t}\n\n\treturn 0;\n}", "src_uid": "3ff1c25a1026c90aeb14d148d7fb96ba"}
{"source_code": "#include <stdio.h>\n#define MIN(a,b) a < b ? a : b\nvoid myprint(long long);\nint main() {\n\tint t[3][3];\n\tint i, j;\n\tint n;\n\tlong long cost[3][3][41];\n\tfor(i = 0; i < 3; i++) {\n\t\tfor(j = 0; j < 3; j++) {\n\t\t\tscanf(\"%d\", &t[i][j]);\n\t\t}\n\t}\n\tscanf(\"%d\", &n);\n\n\tfor(i = 0; i < 3; i++) {\n\t\tfor(j = 0; j < 3; j++) {\n\t\t\tif(i == j)\n\t\t\t\tcost[i][j][1] = 0;\n\t\t\telse {\n\t\t\t\tint k = 3 - ( i + j );\n\t\t\t\tcost[i][j][1] = MIN(t[i][j], t[i][k] + t[k][j]);\n\t\t\t}\n\t\t}\n\t}\n\tint nn;\n\tfor(nn = 2; nn <= n ; nn++) {\n\t\tfor(i = 0; i < 3; i++) {\n\t\t\tfor(j = 0; j < 3; j++) {\n\t\t\t\tif(i == j)\n\t\t\t\t\tcost[i][j][nn] = 0;\n\t\t\t\telse {\n\t\t\t\t\tint k = 3 - ( i + j );\n\t\t\t\t\tcost[i][j][nn] = MIN(\n\t\t\t\t\t\t\t\t\t\t\tcost[i][k][nn-1] + cost[k][j][nn-1] + t[i][j],\n\t\t\t\t\t\t\t\t\t\t\tcost[i][j][nn-1] + t[i][k] + cost[j][i][nn-1] + t[k][j] + cost[i][j][nn-1]\n\t\t\t\t\t\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tfor(i = 0; i < 3; i++) {\n\t\t\tfor(j = 0; j < 3; j++) {\n\t\t\t\tif(i != j) {\n\t\t\t\t\tint k = 3 - (i + j);\n\t\t\t\t\tcost[i][j][nn] = MIN(cost[i][j][nn], cost[i][k][nn] + cost[k][j][nn]);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n/*\tfor(nn = 1; nn <= n; nn++) {\n\t\tprintf(\"%d\\n\", nn);\n\t\tfor(i = 0; i < 3; i++) {\n\t\t\tfor(j = 0; j < 3; j++) {\n\t\t\t\tprintf(\"%3d\", cost[i][j][nn]);\n\t\t\t}\n\t\t\tprintf(\"\\n\");\n\t\t}\n\t\tprintf(\"\\n\");\n\t}\n*/\n\tmyprint(cost[0][2][n]);\n}\n\nvoid myprint(long long n) {\n\tif(n > 0) {\n\t\tmyprint(n/10);\n\t\tprintf(\"%d\", (int)(n%10));\n\t}\n}\n\n", "src_uid": "c4c20228624365e39299d0a6e8fe7095"}
{"source_code": "#include <stdio.h>\r\n\r\ntypedef long long ll;\r\n\r\nll dp[200007][7], sum[200007][7];\r\n\r\nint main(){\r\n\tint n, m;\r\n\tscanf(\"%d %d\", &n, &m);\r\n\tfor (register int i = 2; i <= n; i++){\r\n\t\tint half_i = i / 2;\r\n\t\tdp[i][1] = (sum[i - 1][1] + sum[i - 1][2] + 1) % m;\r\n\t\tdp[i][2] = i - half_i;\r\n\t\tfor (register int j = 2, k; j <= half_i; j = k + 1){\r\n\t\t\tint ti = i / j;\r\n\t\t\tk = i / ti;\r\n\t\t\tdp[i][2] = (dp[i][2] + (dp[ti][1] + dp[ti][2]) * (k - j + 1) % m) % m;\r\n\t\t}\r\n\t\tsum[i][1] = (sum[i - 1][1] + dp[i][1]) % m;\r\n\t\tsum[i][2] = (sum[i - 1][2] + dp[i][2]) % m;\r\n\t}\r\n\tprintf(\"%lld\", (dp[n][1] + dp[n][2]) % m);\r\n\treturn 0;\r\n}", "src_uid": "a524aa54e83fd0223489a19531bf0e79"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,i,a[20],p,q,r,max;\n    scanf(\"%d\",&n);\n    for(i=1;i<=n;i++)\n    {\n        scanf(\"%d\",&a[i]);\n    }\n    p=0;\n    q=0;\n    r=0;\n    for(i=1;i<=n;i++)\n    {\n        if(i%3==0)\n        {\n            p=p+a[i];\n        }\n        else if((i+1)%3==0)\n        {\n            q=q+a[i];\n        }\n        else if((i+2)%3==0)\n        {\n            r=r+a[i];\n        }\n    }\n    if(p>q && p>r)\n    {\n        max=p;\n    }\n    else if(q>p && q>r)\n    {\n        max=q;\n    }\n    else if(r>p && r>q)\n    {\n        max=r;\n    }\n    if(max==p)\n    {\n        printf(\"back\");\n    }\n    else if(max==q)\n    {\n        printf(\"biceps\");\n    }\n    else if(max==r)\n    {\n        printf(\"chest\");\n    }\n    return 0;\n}\n", "src_uid": "579021de624c072f5e0393aae762117e"}
{"source_code": "#include <stdio.h>\n\n#define min(a, b) (a == -1 ? b : (b == -1 ? a : (a < b ? a : b)))\n\nint n;\nlong long x, y;\nlong long dp[10000010];\n\nint main() {\n\tscanf(\"%d %lld %lld\", &n, &x, &y);\n    dp[1] = x;\n    for (int i = 2; i <= n; i++) {\n        if (i & 1) {\n            dp[i] = min(dp[i - 1] + x, dp[(i >> 1) + 1] + y + x);\n        } else {\n            dp[i] = min(dp[i - 1] + x, dp[i >> 1] + y);\n        }\n    }\n    printf(\"%lld\", dp[n]);\n}", "src_uid": "0f270af00be2a523515d5e7bd66800f6"}
{"source_code": "#include<stdio.h>\ntypedef long long ll;\nint main()\n{\n\tint n,a,b;\n\tscanf(\"%d %d %d\",&n,&a,&b);\n\tif(b>=0)\n    {\n    \tif(b>=n)\n    \tb=b%n; \n    }\n\t else\n    {\n        while(b<0)\n        {\n           b+=n;\n        }\n    }\n    a+=b;\n    if(a>n)\n    {\n       a-=n;\n    }\n    printf(\"%d\",a);\n\treturn 0;\n } \n", "src_uid": "cd0e90042a6aca647465f1d51e6dffc4"}
{"source_code": "#include <stdio.h>\n\nint main(void)\n{\n    long i;\n    long long n, min = 1e18, max = 0, a[2], b, c, d;\n    scanf(\"%I64d\", &n);\n    for (a[0] = 2; (a[0]-1)*(a[0]-1) <= n; a[0]++) {\n        if (!(n % (a[0]-1))) {\n            a[1] = n / (a[0] - 1) + 1;\n            for (i = 0; i < 2; i++)\n                for (b = 3; (b-2)*(b-2) <= (n / (a[i]-1)); b++)\n                    if (!((n / (a[i]-1)) % (b-2))) {\n                        c = n / ((a[i]-1)*(b-2)) + 2;\n                        d = 2*a[i]*b + 2*a[i]*c + b*c - 4*a[i] - 2*b - 2*c + 4;\n                        if (min > d)\n                            min = d;\n                        if (max < d)\n                            max = d;\n                    }   \n        }\n    }\n    printf(\"%I64d %I64d\\n\", min, max);\n    return 0;\n}", "src_uid": "2468eead8acc5b8f5ddc51bfa2bd4fb7"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nint main()\n{\n    int a,x,y,color;    //0:black,1:white\n    double b;\n    scanf(\"%d%d\",&x,&y);\n\n    if(0==x||0==y)\n    {\n        color=0;\n    }\n    else\n    {\n        b=sqrt(x*x+y*y);\n        a=(int)b;\n        if(a*a == x*x+y*y)\n        {\n            color=0;\n        }\n        else\n        {\n            if(x>0&&y>0 || x<0&&y<0)\n                color=a%2;\n            else\n                color=(a+1)%2;\n        }\n    }\n    if(color)\n        printf(\"white\");\n    else\n        printf(\"black\");\n\n    return 0;\n}", "src_uid": "8c92aac1bef5822848a136a1328346c6"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int m,d,dd,x;\n    scanf(\"%d %d\",&m,&d);\n    if(m==1 || m==3 || m==5 || m==7 || m==8 || m==10 || m==12)\n        dd=31;\n    else if(m==2)\n        dd=28;\n    else\n        dd=30;\n    x=dd-8+d;\n    if(x%7==0)\n        printf(\"%d\",x/7+1);\n    else\n        printf(\"%d\",x/7+2);\n    return 0;\n}", "src_uid": "5b969b6f564df6f71e23d4adfb2ded74"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int i,j,len;\n    char ch,s1[]=\"qwertyuiopasdfghjkl;zxcvbnm,./\",s2[100];\n    scanf(\"%c %s\",&ch,&s2);\n    len=strlen(s2);\n    if(ch=='R')\n    {\n        for(i=0,j=0;i<30;i++)\n        {\n            if(s2[j]==s1[i])\n            {\n                printf(\"%c\",s1[i-1]);\n                j++;\n                i=-1;\n            }\n            if(j==len)\n            {\n                printf(\"\\n\");\n                break;\n            }\n        }\n    }\n    else if(ch=='L')\n    {\n        for(i=0,j=0;i<30;i++)\n        {\n            if(s2[j]==s1[i])\n            {\n                printf(\"%c\",s1[i+1]);\n                j++;\n                i=-1;\n            }\n            if(j==len)\n            {\n                printf(\"\\n\");\n                break;\n            }\n        }\n    }\n    return 0;\n}\n", "src_uid": "df49c0c257903516767fdb8ac9c2bfd6"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint n,M,m,sum;\n\nint calc(int val[]){\n    int sum=0,i,temp,j;\n    for(i=0;i<n;i++){\n        sum+=val[i];\n        temp=val[i];\n        for(j=i+1;j<n;j++){\n            if(temp>val[j])\n               temp=val[j];\n            sum+=temp;\n        }\n    }\n    return sum;\n}\n\nint print_m(int i,int val[]){\n    int j;\n\n   if(i==n){\n\n     if( calc(val)==sum )\n            m++;\n        if(m==M){\n            for(j=0;j<n;j++)\n                printf(\"%d \",val[j]);\n            exit(0);\n        }\n  //      printf(\"\\n\");\n        return 0;\n    }\n    for(j=i;j<n;j++){\n        val[i]=val[j]+val[i]-(val[j]=val[i]);\n        print_m(i+1,val);\n        val[i]=val[j]+val[i]-(val[j]=val[i]);\n    }\n    return 0;\n}\n\nint main()\n{\n    int val[8]={1,2,3,4,5,6,7,8},i;\n\n    scanf(\"%d%d\",&n,&M);\n    for(i=1;i<=n;i++)\n        sum+=(n+1-i)*i;\n\n //   printf(\"%d\",sum);\n    print_m(0,val);\n\n    return 0;\n}\n", "src_uid": "a8da7cbd9ddaec8e0468c6cce884e7a2"}
{"source_code": "#include<conio.h>\n#include<math.h>\n#include<stdio.h>\n\nint main()\n{\nlong long int n,m,s;\nscanf(\"%I64d\",&s);\nn=(sqrt(1+8*s)-1)/2;\nm=(n*(n+1))/2;\nif(m==s)\nprintf(\"%I64d\",n);\nelse\nprintf(\"%I64d\",s-m);\nreturn 0;\n}\n", "src_uid": "1db5631847085815461c617854b08ee5"}
{"source_code": "#include <stdio.h>\nint g(int n)\n{\n\tif (n==1 || n==0) return n;\n\telse\n\t\treturn 2;\n}\nint gao(int m, int n)\n{\n\tif (n==1) return m;\n\telse if (n==2)\n\t\treturn (m/4*2 + g(m%4)) * 2;\n\telse\n\t\treturn (n * m + 1 ) / 2;\n\n}\nint main()\n{\n\tint m, n, temp;\n\twhile (~scanf(\"%d %d\", &m, &n))\n\t{\n\t\tif (m<n)\n\t\t{\n\t\t\ttemp = m;\n\t\t\tm = n; \n\t\t\tn = temp;\n\t\t}\n\t\tprintf(\"%d\\n\", gao(m, n));\n\t}\n\treturn 0;\n}", "src_uid": "e858e7f22d91aaadd7a48a174d7b2dc9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a,b,r,d;\n    scanf(\"%d %d %d\",&a,&b,&r);\n    d=2*r;\n    if(a>=d&&b>=d) printf(\"First\");\n    else printf(\"Second\");\n}\n", "src_uid": "90b9ef939a13cf29715bc5bce26c9896"}
{"source_code": "#include <stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#include<math.h>\nlong long cmpfunc (const void * a, const void * b) {\n   return ( *(long long*)a - *(long long*)b );\n}\n\n\n\nint main(void){\n   \nlong long int test,i,j,n,count,flag=0,o1=0,o2=0,b1,x,m,l,max,sum2,min,f,c,r,o,sum1,sum=0,y,a,b,count1=0,a2,b2,ab;\n\nscanf(\"%lld%lld%lld\",&a,&b,&ab);\nif(a>b){\n    printf(\"%lld\",(2*ab)+(b*2)+1);\n}\nelse{\n    if(a==b){\n       printf(\"%lld\",(2*ab)+(a*2));\n    }else{\n      printf(\"%lld\",(2*ab)+(a*2)+1);\n    }\n}\nreturn 0;\n}\n", "src_uid": "609f131325c13213aedcf8d55fc3ed77"}
{"source_code": "#include <stdio.h>\n\nint n;\nint p[128];\nint is_gusu[128];\n\nint memo[128][2][128][128];\n\nint search(int idx, int prev_is_gusu, int left_gusu, int left_kisu) {\n\tint answer = 9999, candidate;\n\tif (idx >= n) return 0;\n\tif (memo[idx][prev_is_gusu][left_gusu][left_kisu]) {\n\t\treturn ~memo[idx][prev_is_gusu][left_gusu][left_kisu];\n\t}\n\n\tif (p[idx] == 0) {\n\t\tif (left_gusu > 0) {\n\t\t\tcandidate = search(idx + 1, 1, left_gusu - 1, left_kisu);\n\t\t\tif (idx > 0 && !prev_is_gusu) candidate++;\n\t\t\tif (candidate < answer) answer = candidate;\n\t\t}\n\t\tif (left_kisu > 0) {\n\t\t\tcandidate = search(idx + 1, 0, left_gusu, left_kisu - 1);\n\t\t\tif (idx > 0 && prev_is_gusu) candidate++;\n\t\t\tif (candidate < answer) answer = candidate;\n\t\t}\n\t} else {\n\t\tanswer = search(idx + 1, is_gusu[idx], left_gusu, left_kisu);\n\t\tif (idx > 0 && !prev_is_gusu != !is_gusu[idx]) answer++;\n\t}\n\n\treturn ~(memo[idx][prev_is_gusu][left_gusu][left_kisu] = ~answer);\n}\n\nint main(void) {\n\tint i;\n\tint kisu, gusu;\n\tif (scanf(\"%d\", &n) != 1) return 1;\n\tkisu = (n + 1) / 2;\n\tgusu = n / 2;\n\tfor (i = 0; i < n; i++) {\n\t\tif (scanf(\"%d\", &p[i]) != 1) return 1;\n\t\tif (p[i] != 0) {\n\t\t\tif (p[i] % 2 == 0) {\n\t\t\t\tis_gusu[i] = 1;\n\t\t\t\tgusu--;\n\t\t\t} else {\n\t\t\t\tis_gusu[i] = 0;\n\t\t\t\tkisu--;\n\t\t\t}\n\t\t}\n\t}\n\tprintf(\"%d\\n\", search(0, 0, gusu, kisu));\n\treturn 0;\n}\n", "src_uid": "90db6b6548512acfc3da162144169dba"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nint cmpfunc (const void * a, const void * b) {\n   return ( *(int*)a - *(int*)b );\n}\n\nint main()\n{\n    int N, M;\n    scanf(\"%i %i\", &N, &M);\n    if(M < N)\n    {\n        printf(\"0\");\n        exit(0);\n    }\n    int arr[M], amt[101];\n    memset(amt, 0, 101*sizeof(int));\n    for(int i = 0; i < M; i++)\n    {\n        scanf(\"%i\", &arr[i]);\n        amt[arr[i]]++;\n    }\n    int max = 0;\n    for(int i = 0; i <= 100; i++)\n    {\n        if(amt[i] > max)\n        {\n            max = amt[i];\n        }\n    }\n    qsort(arr, M, sizeof(int), cmpfunc);\n    int amt2[M+1], count = 0;\n    for(int i = 0; i < 101; i++)\n    {\n        if(amt[i] > 0)\n        {\n            amt2[count++] = amt[i];\n        }\n    }\n    int ma = 0;\n    for(int i = 1; i <= 1000; i++)\n    {\n        int peop = 0;\n        for(int j = 0; j < count; j++)\n        {\n            peop += amt2[j]/i;\n        }\n        if(peop >= N)\n        {\n            ma = i;\n        }\n    }\n    printf(\"%i\", ma);\n}", "src_uid": "b7ef696a11ff96f2e9c31becc2ff50fe"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <math.h>\n#define P 1000000007\nint m;\nint f[2][200005];\nint cal2[100005];\nint main(void)\n{\n    int r,g;\n    int i,j;\n    int p;\n    int ma,k;\n    scanf(\"%d%d\",&r,&g);\n    if (r>g)\n    {\n        k=r;\n        r=g;\n        g=k;\n    }\n    for (i=1;i<=1500;i++)\n        cal2[i]=(i*(i+1))/2;\n    //memset(f,0,sizeof(f));\n    m=sqrt(2*(r+g))+1;\n    p=0;\n    k=0;\n    if (r>=1)\n    {\n        f[p][1]=1;\n        k++;\n    }\n    if (g>=1)\n    {\n        f[p][0]=1;\n        k++;\n    }\n    for (i=2;i<=m&&k>0;i++)\n    {\n        ma=k;\n        k=0;\n        for (j=0;j<=r;j++)\n        {\n            f[1-p][j]=0;\n            if (j>=i)\n            {\n                f[1-p][j]+=f[p][j-i];\n            }\n            if (cal2[i]-j<=g)\n            {\n                f[1-p][j]+=f[p][j];\n            }\n            f[1-p][j]%=P;\n            k=(k+f[1-p][j])%P;\n        }\n        p=1-p;\n      //  printf(\"%d\\n\",i);\n    }\n//    ma=0;\n//    for (i=0;i<=r;i++)\n//            ma=(ma+f[1-p][i])%P;\n    printf(\"%d\\n\",ma);\n    return 0;\n}\n", "src_uid": "34b6286350e3531c1fbda6b0c184addc"}
{"source_code": "#include \"stdio.h\"\n\n#define MAX_MANHOLE_COUNT 5001\n\n#define BASE \"%d\"\ntypedef int Base;\n\ntypedef struct UManhole\n{\n    Base Stones;\n    Base IsCollected;\n} UManhole;\n\nint main()\n{\n    Base Count = 0;\n    UManhole Manholes[MAX_MANHOLE_COUNT];\n    Base Standing = 0;\n    Base Turns = 0;\n    Base Garbage = -1;\n    \n    scanf(BASE BASE, &Count, &Standing);\n    for (Base i = 1; i <= Count; i++)\n    {\n        Manholes[i].Stones = 1;\n        Manholes[i].IsCollected = 0;\n    }\n    \n    Turns = Count + Count + 1;\n    if (Standing <= Count / 2)\n    {\n        Turns += (Standing - 1);\n        Turns += (Count - 1);\n    }\n    else \n    {\n        Turns += (Count - Standing);\n        Turns += (Count - 1);\n    }\n    \n    printf(BASE\"\\n\", Turns);\n    \n\treturn 0;\n}\n", "src_uid": "24b02afe8d86314ec5f75a00c72af514"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main(int argc, char const *argv[])\n{\n\tchar str[201];\n\tscanf(\"%s\",str);\n\tint n;\n\tscanf(\"%d\",&n);\n\tint i =0;\n\tint count_letter=0,count_sf=0,count_stick=0,length=0;\n\tint sf_index = -1;\n\twhile(str[i] != '\\0')\n\t{\n\t\tif (str[i] == '?')\n\t\t{\n\t\t\tcount_stick++;\n\t\t}\n\t\telse if (str[i] == '*')\n\t\t{\n\t\t\tcount_sf++;\n\t\t\tsf_index = i;\n\t\t}\n\t\telse\n\t\t{\n\t\t\tcount_letter++;\n\t\t}\n\t\ti++;\n\t}\n\tlength = i;\n\t//printf(\"%d %d %d %d\\n\",count_letter,count_sf,count_stick,length);\n\n\tif (count_letter - (count_stick+count_sf) > n)\n\t{\n\t\tprintf(\"Impossible\");\n\t}\n\telse\n\t{\n\t\tif(n > count_letter)\n\t\t{\n\t\t\t//printf(\"%d\\n\",sf_index);\n\t\t\tif(sf_index != -1)\n\t\t\t{\n\t\t\t\tfor (int i = 0; i < sf_index; ++i)\n\t\t\t\t{\n\t\t\t\t\tif (str[i]!='?' && str[i]!='*')\n\t\t\t\t\t{\n\t\t\t\t\t\tprintf(\"%c\",str[i]);\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t}\n\n\t\t\t\tfor (int i = 0; i < (n-count_letter); ++i)\n\t\t\t\t{\n\t\t\t\t\tprintf(\"%c\",str[sf_index-1]);\n\t\t\t\t}\n\n\t\t\t\tfor (int i = sf_index+1; i < length; ++i)\n\t\t\t\t{\n\t\t\t\t\tif (str[i]!='?' && str[i]!='*')\n\t\t\t\t\t{\n\t\t\t\t\t\tprintf(\"%c\",str[i]);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tprintf(\"Impossible\");\n\t\t\t}\n\t\t\t\n\t\t}\n\t\telse if (n < count_letter)\n\t\t{\n\t\t\tcount_letter = count_letter - n ;\n\t\t\tfor (int i = length -1; i >0; --i)\n\t\t\t{\n\t\t\t\tif (count_letter == 0)\n\t\t\t\t{\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tif(str[i] == '?' || str[i] == '*')\n\t\t\t\t{\n\t\t\t\t\tstr[i-1] = str[i];\n\t\t\t\t\tcount_letter -- ;\n\t\t\t\t\ti--;\n\t\t\t\t}\n\t\t\t}\n\t\t\tint j = 0;\n\t\t\twhile(str[j]!= '\\0')\n\t\t\t{\t\n\t\t\t\tif (str[j] != '?' && str[j] != '*')\n\t\t\t\t{\n\t\t\t\t\tprintf(\"%c\",str[j]);\n\t\t\t\t}\n\t\t\t\tj++;\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tint j = 0;\n\t\t\twhile(str[j]!= '\\0')\n\t\t\t{\t\n\t\t\t\tif (str[j] != '?' && str[j] != '*')\n\t\t\t\t{\n\t\t\t\t\tprintf(\"%c\",str[j]);\n\t\t\t\t}\n\t\t\t\tj++;\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n}", "src_uid": "90ad5e6bb5839f9b99a125ccb118a276"}
{"source_code": "#include<stdio.h>\n#include<string.h>\ntypedef long long int LL;\nchar x[1000];\nchar y[1000];\nchar z[1000];\nint incr()\n{\n   int i=0;\n   while(x[i]!='\\0')\n      i++;\n   i--;\n   while(x[i]=='z')\n   {\n      x[i]='a';\n      i--;\n   }\n   x[i]+=1;\n   return 0;\n}\nint main()\n{\n   int i,diff;\n   scanf(\"%s\",x);\n   scanf(\"%s\",y);\n   incr();\n   if(strcmp(y,x)>0)\n      printf(\"%s\\n\",x);\n   else\n      printf(\"No such string\\n\");\n   return 0;\n}\n", "src_uid": "47618510d2a17b1cc1e6a688201d51a3"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#define modd 1000000007\nlong long fast_expo(long long a,long long b)\n{\n\tlong long res=1;\n\twhile(b>0)\n\t{\n\t\tif(b&1)\n\t\t\tres=(res*a)%modd;\n\t\ta=(a*a)%modd;\n\t\tb=b>>1;\n\t}\n\treturn res;\n}\nint main()\n{\n\tlong long fact[200001];\n\tint i,n,count=0;\n\tfact[0]=1;\n\tfor(i=1;i<200001;i++)\n\t\tfact[i]=(fact[i-1]*i)%modd;\n\twhile(scanf(\"%d\",&n)==1)\n\t{\n\t\tlong long ans=(fact[2*n-1]*((fast_expo(fact[n],modd-2)*fast_expo(fact[n-1],modd-2))%modd))%modd;\n\t\tans=(2*ans)-n;\n\t\tif(ans<0)\n\t\t\tprintf(\"%I64d\\n\",(ans+modd)%modd);\n\t\telse printf(\"%I64d\\n\",ans%modd);\n\t}\n\treturn 0;\n}\n\n", "src_uid": "13a9ffe5acaa79d97df88a069fc520b9"}
{"source_code": " #include<stdio.h>\n main()\n {\n     int number[30];\n    int i, j, a, n,s=0,k,f=0;\n     //printf(\"Enter the value of N\\n\");\n    scanf(\"%d\", &k);\n    //printf(\"Enter the numbers \\n\");\n    for (i = 0; i < 12; ++i)\n    scanf(\"%d\", &number[i]);\n for (i = 0; i < 12; ++i)\n    {\n        for (j = i + 1; j < 12; ++j)\n        {\n            if (number[i] < number[j])\n            {\n                a = number[i];\n                number[i] = number[j];\n                number[j] = a;\n            }\n        }\n    }\n    if(k==0)\n        printf(\"0\");\n    else\n    {\n      for (i = 0; i < 12; ++i)\n    {\n        s=s+number[i];\n        if(s>=k)\n        {\n            f=1;\n            printf(\"%d\",i+1);\n            break;\n        }\n    }\n    if(f==0)\n        printf(\"-1\");\n    }\n }\n", "src_uid": "59dfa7a4988375febc5dccc27aca90a8"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main(){\nchar a[100],b[100];\n    gets(a);\n    strcpy(a,strlwr(a));\n    gets(b);\n    strcpy(b,strlwr(b));\n    if(strcmp(a,b)==0)\n    {\n        printf(\"%d\",0);\n    }\n     else if (strcmp(a,b)>0)\n    {\n        printf(\"%d\",1);\n    }\n    else\n    {\n        printf(\"%d\",-1);\n    }\n}\n", "src_uid": "ffeae332696a901813677bd1033cf01e"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nint main(int argc, char *argv[]) {\n\tlong long n, m, l, r, x;\n\tscanf(\"%I64d%I64d\", &n, &m);\n\tif (n <= m) printf(\"%I64d\\n\", n);\n\telse {\n\t\tfor (l = 1, r = sqrt(2 * n - 2 * m) + 1; l <= r; ) {\n\t\t\tx = (l + r) / 2;\n\t\t\tif (x * (x + 1) / 2 >= n - m)\n\t\t\t\tr = x - 1;\n\t\t\telse\n\t\t\t\tl = x + 1;\n\t\t}\n\t\tprintf(\"%I64d\\n\", m + r + 1);\n\t}\n\treturn 0;\n}", "src_uid": "3b585ea852ffc41034ef6804b6aebbd8"}
{"source_code": "#include<stdio.h>\nint main(){\n    int n;\n    scanf(\"%d\",&n);\n    int i,j;\n    int count = 0;\n    for(i=j;i<=n;i++){\n        for(j=1;j<=n;j++){\n            if(i % j  == 0 && i*j > n && i/j < n){\n                count = 1;\n                break;\n            }\n        }\n        if(count == 1){\n            break;\n        }\n    }\n    if(count == 1){\n        printf(\"%d %d\\n\",i,j);\n    }else{\n        printf(\"-1\");\n    }\n    return 0;\n}", "src_uid": "883f67177474d23d7a320d9dbfa70dd3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long a,b;\n    scanf(\"%lld%lld\",&a,&b);\n    while(a>0&&b>0)\n    {\n        if(a>=2*b)\n        {\n            a%=(2*b);\n        }\n        else if(b>=2*a)\n        {\n            b%=(2*a);\n        }\n        else\n        {\n            break;\n        }\n    }\n    printf(\"%lld %lld\\n\",a,b);\n}\n", "src_uid": "1f505e430eb930ea2b495ab531274114"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n   int n,m,a,b,x1,y1,x2,y2;\n   scanf(\"%d%d%d%d\",&n,&m,&a,&b);\n   a--;\n   b--;\n   x1=a/m;\n   y1=a%m;\n   x2=b/m;\n   y2=b%m;\n   if (x1==x2)\n      puts(\"1\");\n   else if (x1==x2-1)\n      puts(!y1&&(y2==m-1||b==n-1)?\"1\":\"2\");\n   else\n      printf(\"%d\\n\",3-!y1-(y2==m-1||b==n-1||y1==y2+1));\n   return 0;\n}\n", "src_uid": "f256235c0b2815aae85a6f9435c69dac"}
{"source_code": "#include<stdio.h>\n#define N 50+5\nint a[N];\nint main() {\n     int n,k;\n     scanf(\"%d%d\",&n,&k);\n     int i;\n     int participants=0;\n     //可以不从头加起，而是从第k位加起，这里k就不用减一，因为k正好表示k－1的下一位！\n     //因为k前面的都是大于等于第k位的！\n     for (i=0;i<n;i++) {\n          scanf(\"%d\",&a[i]);\n     }\n     //我知道错在哪里了，a［k－1］项在没有读完数组时，时不能确立的，整个数组至少要读k项，但是我在没有得到a[k-1]的值时，就直接进行比较，这是一个错误，mac gcc竟然没有指出这个错误！\n     //改正办法在记录下整个数组后在比较！\n     //因为数组是从零开始，而k从一开始，要使两者对应，所以我才减一 a[k-1]就是第k位的值！\n     for (i=0;i<n;i++) {\n          if(a[i]>0 && a[i]>=a[k-1]) {\n               participants++;\n          }\n     }\n\n     //printf(\"\\nparticipants = %d\\n\",participants);\n     printf(\"%d\\n\",participants);\n     return 0;\n}\n", "src_uid": "193ec1226ffe07522caf63e84a7d007f"}
{"source_code": "#include<stdio.h>\nint p[6][6];\nint n;\nint f(int level,int alphabet)\n{\n//\tif(level==n&&alphabet==0)\n//\t return 1;\n\tif(level==n)\n\t return 1;\n\t \n\tint i;\n\tint ans=0;\n\tfor(i=0;i<6;i++)\n\t{   if(p[alphabet][i])\n\t   \tans+=p[alphabet][i]*f(level+1,i);\n\t} \n\t\n\treturn ans;\n\t  \n}\nint main()\n{\n\tint q,i,j;\n\tscanf(\"%d%d\",&n,&q);\n\n\tchar str[6];\n\tgets(str);\n\tfor(i=0;i<q;i++)\n\t{\n\t\tgets(str);\n\t//\tprintf(\"%c%c %c\\n\",str[0],str[1],str[3]);\n\t    p[str[3]-'a'][str[0]-'a']+=1;\n\t//\tprintf(\"%d\\n\", p[str[3]-'a'][str[0]-'a']);\n\t}\n/*\tfor(i=0;i<6;i++)\n\t{\n\tfor(j=0;j<6;j++)\n\t{ printf(\"%d \",p[i][j]);\n\t }\n\t  printf(\"\\n\");\t\n\t}*/\n\tprintf(\"%d\",f(1,0));\n  \n\n\treturn  0;\n}", "src_uid": "c42abec29bfd17de3f43385fa6bea534"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#define REP(i,a,b) for(i=a;i<b;i++)\n#define rep(i,n) REP(i,0,n)\n\n#define ll long long\n#define M 2520\n\nint GCD(int a,int b){int r; while(a){r=b; b=a; a=r%a;} return b;}\nint LCM(int a,int b){ return a/GCD(a,b)*b; }\n\nll *dp1, *dp2, *nx1, *nx2, *swap;\nll dp1__[M], dp2__[M];\nll nx1__[M], nx2__[M];\n\nll dp[323][M];\nint bc[323];\n\nint nex[M][10];\n\nll solve(ll mx){\n  int i,j,k,mask,use[10],us,now,nn;\n  int go[20],gos,g;\n  ll res;\n\n  dp1=dp1__; dp2=dp2__; nx1=nx1__; nx2=nx2__;\n\n  gos=0;\n  while(mx) go[gos++]=mx%10, mx/=10;\n\n  rep(mask,1<<8){\n    if( (mask&1<<2) && !(mask&1<<0) ) continue;\n    if( (mask&1<<4) && (!(mask&1<<0)||!(mask&1<<1)) ) continue;\n    if( (mask&1<<6) && (!(mask&1<<0)||!(mask&1<<2)) ) continue;\n    if( (mask&1<<7) && !(mask&1<<1) ) continue;\n    us=2; use[0]=0; use[1]=1;\n    rep(i,8) if(mask&1<<i) use[us++]=i+2;\n\n    rep(i,M) dp1[i]=dp2[i]=0;\n    dp1[0]=1;\n\n    rep(i,M) rep(j,us) nex[i][j] = (i*10+use[j])%M;\n\n    for(now=gos-1;now>=0;now--){\n      rep(i,M) nx1[i]=nx2[i]=0;\n\n      rep(i,M) if(dp2[i]) rep(k,us) nx2[nex[i][k]] += dp2[i];\n      \n      rep(i,M) if(dp1[i]) rep(k,us){\n        if(go[now]==use[k]) nx1[nex[i][k]] += dp1[i];\n        if(go[now]> use[k]) nx2[nex[i][k]] += dp1[i];\n      }\n\n      swap=dp1, dp1=nx1, nx1=swap;\n      swap=dp2, dp2=nx2, nx2=swap;\n    }\n\n    rep(i,M) dp[mask][i] = dp1[i] + dp2[i];\n  }\n\n  res = 0;\n  rep(mask,1<<8){\n    g=1;\n    rep(i,8) if(mask&1<<i) g=LCM(g,i+2);\n    \n    rep(i,mask+1) if( (i&mask)==i ){\n      for(j=0;j<M;j+=g){\n        if( (bc[mask] - bc[i])%2 ) res -= dp[i][j];\n        else                       res += dp[i][j];\n      }\n    }\n  }\n\n  return res;\n}\n\nint main(){\n  int i,j,k,l,n;\n  ll a, b, res;\n  int size;\n\n  bc[0]=0;\n  REP(i,1,1<<8) bc[i] = bc[i&(i-1)]+1;\n\n  scanf(\"%d\",&size);\n  while(size--){\n    scanf(\"%I64d%I64d\",&a,&b);\n    res = solve(b) - solve(a-1);\n    printf(\"%I64d\\n\",res);\n  }\n\n  return 0;\n}\n", "src_uid": "37feadce373f728ba2a560b198ca4bc9"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint i, j, b=0, w=0;\n\tchar arr[8][8];\n\tfor(i=0;i<8;i++)\n\t{\n\t\tfor(j=0;j<8;j++)\n\t\t{\n\t\t\tscanf(\" %c\", &arr[i][j]);\n\t\t}\n\t}\n\tfor(i=0;i<8;i++)\n\t{\n\t\tfor(j=0;j<8;j++)\n\t\t{\n\t\t\tswitch(arr[i][j])\n\t\t\t{\n\t\t\t\tcase 'Q':\n\t\t\t\t{\n\t\t\t\t\tw+=9;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'q':\n\t\t\t\t{\n\t\t\t\t\tb+=9;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'R':\n\t\t\t\t{\n\t\t\t\t\tw+=5;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'r':\n\t\t\t\t{\n\t\t\t\t\tb+=5;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'B':\n\t\t\t\tcase 'N':\n\t\t\t\t{\n\t\t\t\t\tw+=3;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'b':\n\t\t\t\tcase 'n':\n\t\t\t\t{\n\t\t\t\t\tb+=3;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'P':\n\t\t\t\t{\n\t\t\t\t\tw+=1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'p':\n\t\t\t\t{\n\t\t\t\t\tb+=1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tif(b>w)\n\t{\n\t\tprintf(\"Black\");\n\t}\n\telse if(w>b)\n\t{\n\t\tprintf(\"White\");\n\t}\n\telse if(w==b)\n\t{\n\t\tprintf(\"Draw\");\n\t}\n}", "src_uid": "44bed0ca7a8fb42fb72c1584d39a4442"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int k,c[35],i,r,ck;\n    while(scanf(\"%d\",&k)==1){\n        ck=0;\n        for(i=0;i<k;i++){\n            scanf(\"%d\",&c[i]);\n        if(c[i]>ck)\n            ck=c[i];\n        }\n        if(ck>25){\n            r=ck-25;\n            printf(\"%d\\n\",r);\n        }\n        else\n            printf(\"%d\\n\",0);\n    }\n    return 0;\n}\n", "src_uid": "ef657588b4f2fe8b2ff5f8edc0ab8afd"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,i,count=0,ara[5000];\n    scanf(\"%lld\",&n);\n    for(i=1;i*i<=n;i++)\n    {\n        if(n%i==0)\n        {\n            ara[count]=i;\n            count++;\n        }\n    }\n    if(ara[count-1]*ara[count-1]==n)\n        printf(\"%lld\\n\",2*count-1);\n    else\n        printf(\"%lld\\n\",2*count);\n    return 0;\n}\n", "src_uid": "7fc9e7d7e25ab97d8ebc10ed8ae38fd1"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n    int a, m, tab[100001];\n    scanf(\"%d %d\", &a, &m);\n\n    memset(tab,0,sizeof(int));\n\n    while (1)\n    {\n        int b = a%m;\n        if (tab[b] == 1)\n            break;\n        tab[b] = 1;\n\n        a += b;\n\n        if (a%m == 0)\n        {\n            printf(\"Yes\\n\");\n            return 0;\n        }\n    }\n\n    printf(\"No\\n\");\n\n    return 0;\n}\n", "src_uid": "f726133018e2149ec57e113860ec498a"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    int x,y;\n    scanf(\"%d%d\",&x,&y);\n    if(x>=3&&y>=3){\n        if(x>y) printf(\"<\");\n        else if(y>x) printf(\">\");\n        else printf(\"=\");\n    }\n    else{\n        if(pow(x,y)>pow(y,x)) printf(\">\");\n        else if(pow(x,y)<pow(y,x)) printf(\"<\");\n        else printf(\"=\");\n    }\n    return 0;\n}\n", "src_uid": "ec1e44ff41941f0e6436831b5ae543c6"}
{"source_code": "#include<stdio.h>\nint main()\n{\nint n;\nlong int j;\nscanf(\"%d\",&n);\nif(n%2==0)\n{\n    j=n/2;\n    printf(\"%ld\",j*(j+1));\n}\nif(n%2!=0)\n{\n    j=n/2;\n    printf(\"%ld\",(j+1)*(j+1));\n}\nreturn 0;\n}\n", "src_uid": "f8af5dfcf841a7f105ac4c144eb51319"}
{"source_code": "#include<stdio.h>\n\nint main(){\n    int n, p, k, i;\n    scanf(\"%d %d %d\", &n, &p, &k);\n\n    if(p-k > 1){\n        printf(\"<< \");\n    }\n    for(i = k; i > 0; i--){\n        if(p-i >= 1){\n            printf(\"%d \", p-i);\n        }\n    }\n    printf(\"(%d) \", p);\n    for(i = 1; i <= k; i++){\n        if(p+i <= n){\n            printf(\"%d \", p+i);\n        }\n    }\n    if(p+k < n){\n        printf(\">>\");\n    }\n\n     return 0;\n}\n", "src_uid": "526e2cce272e42a3220e33149b1c9c84"}
{"source_code": "#include<stdio.h>\n\nint main(){\n  int D;\n  long long n, k, M, ans = 0;\n  scanf(\"%lld%lld%lld%d\", &n, &k, &M, &D);\n  for(int i = 0; i < D; i++){\n    long long cur = n / (k * i + 1);\n    if(!cur) break;\n    if(cur > M) cur = M;\n    long long lmax = cur * (i + 1);\n    ans = ans > lmax ? ans : lmax;\n  }\n  printf(\"%lld\", ans);\n  return 0;\n}\n", "src_uid": "ac2e795cd44061db8da13e3947ba791b"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdbool.h>\n\n#define clr(ar) memset(ar, 0, sizeof(ar))\n#define read() freopen(\"lol.txt\", \"r\", stdin)\n\nint gcd(int u, int v){\n    int t;\n\n    while (v){\n        t = u;\n        u = v;\n        v = t % v;\n    }\n\n    if (u < 0) u = 0 - u;\n    return u;\n}\n\nint main(){\n    int i, j, k, l, x, y, a, b, c, d, u, v, g;\n\n    while (scanf(\"%d %d %d %d\", &a, &b, &c, &d) != EOF){\n        g = gcd(c, d);\n        c /= g, d /= g;\n\n        if (a < c || b < d) puts(\"0 0\");\n        else{\n            x = a / c, y = b / d;\n            if (y < x) x = y;\n\n            c *= x, d *= x;\n            printf(\"%d %d\\n\", c, d);\n        }\n    }\n    return 0;\n}\n", "src_uid": "97999cd7c6de79a4e39f56a41ff59e7a"}
{"source_code": "#include<stdio.h>\n#include<stdbool.h>\n#define sq(A) ((A)*(A))\n\nint x[4], y[4], r[4];\n\nbool intersect(int i, int j){\n\tint dist=sq(x[i]-x[j])+sq(y[i]-y[j]);\n\tif(dist>=sq(r[i]+r[j])) return false;\n\tif(r[i]<r[j] && dist<=sq(r[j]-r[i])) return false;\n\tif(r[j]<r[i] && dist<=sq(r[i]-r[j])) return false;\n\treturn true;\n}\n\nbool in(int i, int j){\n\tint dist=sq(x[i]-x[j])+sq(y[i]-y[j]);\n\tif(r[i]<r[j] && dist<=sq(r[j]-r[i])) return false;\n\treturn true;\n}\n\nint main(){\n\tint num=0;\n\tscanf(\"%d %d %d %d\", x, y, r, r+1);\n\tx[1]=x[0]; y[1]=y[0];\n\tscanf(\"%d %d %d %d\", x+2, y+2, r+2, r+3);\n\tx[3]=x[2]; y[3]=y[2];\n\tif(!intersect(0, 2) && !intersect(0, 3) && !(in(0, 2) ^ in(0, 3))) ++num;\n\tif(!intersect(1, 2) && !intersect(1, 3) && !(in(1, 2) ^ in(1, 3))) ++num;\n\tif(!intersect(2, 0) && !intersect(2, 1) && !(in(2, 0) ^ in(2, 1))) ++num;\n\tif(!intersect(3, 0) && !intersect(3, 1) && !(in(3, 0) ^ in(3, 1))) ++num;\n\tprintf(\"%d\\n\", num);\n\treturn 0;\n}\n", "src_uid": "4c2865e4742a29460ca64860740b84f4"}
{"source_code": "int main()\n{\n    int a,b,counter=0,draw=0;\n    scanf(\"%d %d\",&a,&b);\n    if(a==b)\n    {\n        printf(\"0 6 0\");\n\n    }else\n    {\n        int i;\n        for(i=0;i<7;i++)\n        {\n            if(abs(a-i)<abs(b-i))\n            {\n                counter++;\n            }\n        }\n        if((a+b)%2==0)\n        {\n            draw++;\n        }\n        printf(\"%d %d %d\",(a>b)?counter:counter-1,draw,(a>b)?6-counter-draw:6-counter-draw+1);\n    }\n    return 0;\n}", "src_uid": "504b8aae3a3abedf873a3b8b127c5dd8"}
{"source_code": "#include <stdio.h>\r\nint T,a,b,c,d;\r\nint main(){\r\n\tscanf(\"%d\",&T);\r\n\twhile(T--){\r\n\t\tscanf(\"%d %d %d %d\",&a,&b,&c,&d);\r\n\t\tif(a+b+c+d==0)\r\n            puts(\"0\");\r\n\t\telse if(a+b+c+d==4)\r\n\t\tputs(\"2\");\r\n\t\telse puts(\"1\");\r\n\t}\r\n\treturn 0;\r\n}\r\n\r\n", "src_uid": "7336b8becd2438f0439240ee8f9610ec"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint main()\n{\n    char arr[500],arr2[500];\n    gets(arr);\n    gets(arr2);\n\n    int i,j,k;\n\n    int len=strlen(arr);\n    char arr3[len];\n\n    for(i=0,j=len-1 ; i<len ,j>=0 ; i++,j--)\n    {\n        arr3[i]=arr[j];\n\n        if(i==len-1)\n        {\n            arr3[len]='\\0';\n        }\n    }\n    int cmp = strcmp(arr3,arr2);\n\n    if(cmp==0) printf(\"YES\");\n    else printf(\"NO\");\n}\n", "src_uid": "35a4be326690b58bf9add547fb63a5a5"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(){\n  char w[500], max = '`';\n  scanf(\"%s\", w);\n  int n = strlen(w), i;\n  for(i = 0; i < n; i++){\n    if(w[i] > max){\n      if(w[i] != max+1){\n        printf(\"NO\\n\");\n        return 0;\n      }\n      max++;\n    }\n  }\n  printf(\"YES\\n\");\n  return 0;\n}\n", "src_uid": "c4551f66a781b174f95865fa254ca972"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint main()\n{\n     int k,i;\n     char s[10];\n     char c[12][10]={\"January\",\"February\",\"March\",\"April\",\"May\",\"June\",\"July\",\"August\",\"September\",\"October\",\"November\",\"December\"};\n     scanf(\"%s %d\",s,&k);\n     for(i=0; i<12;i++) \n     {\n     if(strcmp(s,c[i])==0) break;\n     }\n     i=(i+k) % 12;\n     printf(\"%s\\n\", c[i]);\n     return 0;\n}", "src_uid": "a307b402b20554ce177a73db07170691"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(void)\n{\n\tchar n[15];\n\tint k;\n\n\tscanf(\"%s\", n);\n\tscanf(\"%d\", &k);\n\n\tint i = strlen(n) - 1;\n\tint zeros = 0;\n\tint remove = 0;\n\n\twhile(i >= 0 && zeros < k)\n\t{\n\t\tif(n[i] == '0')\n\t\t\tzeros++;\n\t\telse\n\t\t\tremove++;\n\t\ti--;\n\t}\n\n\tif(zeros == k)\n\t\tprintf(\"%d\\n\", remove);\n\telse\n\t\tprintf(\"%d\\n\", strlen(n) - 1);\n}", "src_uid": "7a8890417aa48c2b93b559ca118853f9"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n#include <stdlib.h>\n\nint min(int a, int b) { return a < b ? a : b; }\nint max(int a, int b) { return a > b ? a : b; }\n\nint gcd(int a, int b) {\n\treturn b == 0 ? a : gcd(b, a % b);\n}\n\nint d_, x_, y_;\n\nvoid gcd_(int a, int b) {\n\tif (b == 0)\n\t\td_ = a, x_ = 1, y_ = 0;\n\telse {\n\t\tint t;\n\n\t\tgcd_(b, a % b);\n\t\tt = x_ - a / b * y_; x_ = y_, y_ = t;\n\t}\n}\n\nint div_(int a, int b) {\t/* b > 0 */\n\treturn a >= 0 ? a / b : -((-a + b - 1) / b);\n}\n\nint main() {\n\tint n, s, i, c3, c4, c5, k3, d, c4_, c5_, ans, a3, a4, a5;\n\n\tscanf(\"%d%d\", &n, &s);\n\tc3 = c4 = c5 = 0;\n\tfor (i = 0; i < n; i++) {\n\t\tint x;\n\n\t\tscanf(\"%d\", &x);\n\t\tif (x == 3)\n\t\t\tc3++;\n\t\telse if (x == 4)\n\t\t\tc4++;\n\t\telse\n\t\t\tc5++;\n\t}\n\td = gcd(c4, c5);\n\tc4_ = c4 / d;\n\tc5_ = c5 / d;\n\tgcd_(c4_, c5_);\n\tans = -1, a3 = a4 = a5 = -1;\n\tfor (k3 = 0; k3 * n <= s; k3++) {\n\t\tint t = s - c3 * k3, k4_, k5_, lower, upper;\n\t\tint lower34, upper34, lower45, upper45;\n\t\tint lower1, upper1, lower2, upper2, lower3, upper3, lower4, upper4;\n\n\t\tif (t % d != 0)\n\t\t\tcontinue;\n\t\tt /= d;\n\t\tk4_ = x_ * t, k5_ = y_ * t;\n\t\t/* k4 = k4_ + c5_ * k */\n\t\t/* k5 = k5_ - c4_ * k */\n\n\t\t/* k4 >= k3\n\t\t * k4_ + c5_ * k >= k3\n\t\t * k4_ + c5_ * k > k3 - 1\n\t\t * c5_ * k > k3 - k4_ - 1\n\t\t * k > (k3 - k4_ - 1) / c5_\n\t\t * k >= (k3 - k4_ - 1) / c5_ + 1\n\t\t */\n\t\tlower = div_(k3 - k4_ - 1, c5_) + 1;\n\n\t\t/* k5 >= k4\n\t\t * k5_ - c4_ * k >= k4_ + c5_ * k\n\t\t * (c4_ + c5_) * k <= k5_ - k4_\n\t\t * k <= (k5_ - k4_) / (c4_ + c5_)\n\t\t */\n\t\tupper = div_(k5_ - k4_, c4_ + c5_);\n\t\tif (lower > upper)\n\t\t\tcontinue;\n\n\t\t/* c3 * k3 >= c4 * k4\n\t\t * c3 * k3 >= c4 * (k4_ + c5_ * k)\n\t\t * c4 * c5_ * k <= c3 * k3 - c4 * k4_\n\t\t * k <= (c3 * k3 - c4 * k4_) / (c4 * c5_)\n\t\t */\n\t\tupper34 = div_(c3 * k3 - c4 * k4_, c4 * c5_);\n\t\t/* c3 * k3 < c4 * k4 */\n\t\tlower34 = upper34 + 1;\n\n\t\t/* c4 * k4 >= c5 * k5\n\t\t * c4 * (k4_ + c5_ * k) >= c5 * (k5_ - c4_ * k)\n\t\t * (c4 * c5_ + c5 * c4_) * k >= c5 * k5_ - c4 * k4_\n\t\t * (c4 * c5_ + c5 * c4_) * k > c5 * k5_ - c4 * k4_ - 1\n\t\t * k > (c5 * k5_ - c4 * k4_ - 1) / (c4 * c5_ + c5 * c4_)\n\t\t * k >= (c5 * k5_ - c4 * k4_ - 1) / (c4 * c5_ + c5 * c4_) + 1\n\t\t */\n\t\tlower45 = div_(c5 * k5_ - c4 * k4_ - 1, c4 * c5_ + c5 * c4_) + 1;\n\t\t/* c4 * k4 < c5 * k5 */\n\t\tupper45 = lower45 - 1;\n\n\t\t/* Case 1: c3 * k3 >= c4 * k4 && c4 * k4 >= c5 * k5\n\t\t * goal\n\t\t * = c3 * k3 - c4 * k4 + c4 * k4 - c5 * k5\n\t\t * = c3 * k3 - c5 * k5\n\t\t * = c3 * k3 - c5 * (k5_ - c4_ * k)\n\t\t * +k\n\t\t * minimize k\n\t\t */\n\t\tlower1 = max(lower, lower45);\n\t\tupper1 = min(upper, upper34);\n\t\tif (lower1 <= upper1) {\n\t\t\tint k = lower1;\n\t\t\tint k4 = k4_ + c5_ * k;\n\t\t\tint k5 = k5_ - c4_ * k;\n\t\t\tint goal = abs(c3 * k3 - c4 * k4) + abs(c4 * k4 - c5 * k5);\n\n\t\t\tif (ans == -1 || ans > goal) {\n\t\t\t\tans = goal;\n\t\t\t\ta3 = k3, a4 = k4, a5 = k5;\n\t\t\t}\n\t\t}\n\t\t/* Case 2: c3 * k3 >= c4 * k4 && c4 * k4 < c5 * k5\n\t\t * goal\n\t\t * = c3 * k3 - c4 * k4 - c4 * k4 + c5 * k5\n\t\t * = c3 * k3 - 2 * c4 * k4 + c5 * k5\n\t\t * = c3 * k3 - 2 * c4 * (k4_ + c5_ * k) + c5 * (k5_ - c4_ * k)\n\t\t * -k\n\t\t * maximize k\n\t\t */\n\t\tlower2 = lower;\n\t\tupper2 = min(upper, min(upper34, upper45));\n\t\tif (lower2 <= upper2) {\n\t\t\tint k = upper2;\n\t\t\tint k4 = k4_ + c5_ * k;\n\t\t\tint k5 = k5_ - c4_ * k;\n\t\t\tint goal = abs(c3 * k3 - c4 * k4) + abs(c4 * k4 - c5 * k5);\n\n\t\t\tif (ans == -1 || ans > goal) {\n\t\t\t\tans = goal;\n\t\t\t\ta3 = k3, a4 = k4, a5 = k5;\n\t\t\t}\n\t\t}\n\t\t/* Case 3: c3 * k3 < c4 * k4 && c4 * k4 < c5 * k5\n\t\t * goal\n\t\t * = -c3 * k3 + c4 * k4 - c4 * k4 + c5 * k5\n\t\t * = -c3 * k3 + c5 * k5\n\t\t * = -c3 * k3 + c5 * (k5_ - c4_ * k)\n\t\t * -k\n\t\t * maximize k\n\t\t */\n\t\tlower3 = max(lower, lower34);\n\t\tupper3 = min(upper, upper45);\n\t\tif (lower3 <= upper3) {\n\t\t\tint k = upper3;\n\t\t\tint k4 = k4_ + c5_ * k;\n\t\t\tint k5 = k5_ - c4_ * k;\n\t\t\tint goal = abs(c3 * k3 - c4 * k4) + abs(c4 * k4 - c5 * k5);\n\n\t\t\tif (ans == -1 || ans > goal) {\n\t\t\t\tans = goal;\n\t\t\t\ta3 = k3, a4 = k4, a5 = k5;\n\t\t\t}\n\t\t}\n\t\t/* Case 4: c3 * k3 < c4 * k4 && c4 * k4 >= c5 * k5\n\t\t * goal\n\t\t * = -c3 * k3 + c4 * k4 + c4 * k4 - c5 * k5\n\t\t * = -c3 * k3 + 2 * c4 * k4 - c5 * k5\n\t\t * = -c3 * k3 + 2 * c4 * (k4_ + c5_ * k) - c5 * (k5_ - c4_ * k)\n\t\t * +k\n\t\t * minimize k\n\t\t */\n\t\tlower4 = max(lower, max(lower34, lower45));\n\t\tupper4 = upper;\n\t\tif (lower4 <= upper4) {\n\t\t\tint k = lower4;\n\t\t\tint k4 = k4_ + c5_ * k;\n\t\t\tint k5 = k5_ - c4_ * k;\n\t\t\tint goal = abs(c3 * k3 - c4 * k4) + abs(c4 * k4 - c5 * k5);\n\n\t\t\tif (ans == -1 || ans > goal) {\n\t\t\t\tans = goal;\n\t\t\t\ta3 = k3, a4 = k4, a5 = k5;\n\t\t\t}\n\t\t}\n\t}\n\tif (ans == -1)\n\t\tprintf(\"-1\\n\");\n\telse\n\t\tprintf(\"%d %d %d\\n\", a3, a4, a5);\n\treturn 0;\n}\n", "src_uid": "3f3eb49a127768139283ac04ee44950f"}
{"source_code": "/*\n * =====================================================================================\n *\n *       Filename:  Solitaire.c\n *\n *    Description:  \n *\n *        Version:  1.0\n *        Created:  2012年07月25日 13时47分01秒\n *       Revision:  none\n *       Compiler:  gcc\n *\n *         Author:  YOUR NAME (), \n *   Organization:  \n *\n * =====================================================================================\n */\n#include <stdlib.h>\n#include <stdio.h>\n#include <string.h>\n#define MAXN 55\n#define OP1 1\n#define OP2 3\nint dp[MAXN][MAXN][MAXN][MAXN];\ntypedef struct Card {\n\tchar val;\n\tchar suit;\n} Card_t;\nCard_t cards[MAXN];\n/* \nint dfs(Card_t *cards, int n, int op) {\n\tif(n == 1) return 1;\n\tif(n - op <=0 ) return 0;\n\n\tif(cards[n].val == cards[n - op].val) {\n\t\tint tmpSuit = cards[n - op].suit;\n\t\tcards[n - op].suit = cards[n].suit;\n\t\tif(dfs(cards, n-1, OP1) || dfs(cards, n-1, OP2)) \n\t\t\treturn 1;\n\t\telse \n\t\t\tcards[n - op].suit = tmpSuit;\n\t}\n\tif(cards[n].suit == cards[n - op].suit) {\n\t\tint tmpVal = cards[n- op].val;\n\t\tcards[n - op].val = cards[n].val;\n\t\tif(dfs(cards, n-1, OP1) || dfs(cards, n-1, OP2))\n\t\t\treturn 1;\n\t\telse \n\t\t\tcards[n -op].val = tmpVal;\n\t}\n\treturn 0;\n}\n*/\n\nint calc(int n, int a, int b, int c) {\n\tif(n == 1) return 1;\n\tif(n == 2) {\n\t\tif(cards[a].val == cards[b].val || cards[a].suit == cards[b].suit) return 1;\n\t\telse return 0;\n\t}\n\tif(n == 3) {\n\t//\tprintf(\"n-%d a-%d b-%d c-%d\\n\",n,a,b,c);\n\t\tif(cards[c].val == cards[b].val || cards[c].suit == cards[b].suit) {\n\t//\t\tprintf(\"cards[%d].val=%c cards[%d].val=%c\\n\",c,cards[c].val,b,cards[b].val);\n\t\t\tif(cards[c].val == cards[a].val || cards[c].suit == cards[a].suit) \n\t\t\t\treturn 1;\n\t\t\telse \n\t\t\t\treturn 0;\n\t\t}\n\t\telse \n\t\t\treturn 0;\n\t}\n\treturn 0;\n}\n\nint main() {\n\tint i,j,k,l,n;\n\tchar tmp;\n\n\twhile(scanf(\"%d\", &n) != EOF) {\n\t\tscanf(\"%c\",&tmp);\n\t\tmemset (cards, 0, sizeof cards);\n\t\tmemset (dp, 0, sizeof dp);\n\t\tfor(i=1; i <=n ; ++i) \n\t\t\tif (i < n)\n\t\t\t\tscanf(\"%c%c%c\", &cards[i].val, &cards[i].suit, &tmp);\n\t\t\telse \n\t\t\t\tscanf(\"%c%c\", &cards[i].val, &cards[i].suit);\n\t\t\n\t\tfor(i=1; i<=n; ++i) {\n\t\t\tfor(j=1; j<=n; ++j) {\n\t\t\t\tfor(k=1; k<=n; ++k) {\n\t\t\t\t\tif(j == k) continue;\n\t\t\t\t\tfor(l=1; l<=n; ++l)  {\n\t\t\t\t\t\tif(k == l) continue;\n\t\t\t\t\t\tif(i >= 4) {\n\t\t\t\t\t\t\tif(cards[i-3].val == cards[l].val || cards[i-3].suit == cards[l].suit)\n\t\t\t\t\t\t\t\tdp[i][j][k][l] = dp[i-1][l][j][k];\n\t\t\t\t\t\t\tif(cards[k].val == cards[l].val || cards[k].suit == cards[l].suit) \n\t\t\t\t\t\t\t\tdp[i][j][k][l] = dp[i][j][k][l] || dp[i-1][i-3][j][l];\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse\n\t\t\t\t\t\t\tdp[i][j][k][l] = calc(i,j,k,l);\n\t//\t\t\t\t\tprintf(\"dp[%d][%d][%d][%d]:%d\\n\",i,j,k,l,dp[i][j][k][l]);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif(n == 1) {\n\t\t\tif(calc(1, 1, 0, 0)) puts(\"YES\");\n\t\t\telse puts(\"NO\");\n\t\t}\n\t\telse if(n == 2) {\n\t\t\tif(calc(2, 1, 2, 0)) puts(\"YES\");\n\t\t\telse puts(\"NO\");\n\t\t}\n\t\telse {\n\t\t\tif(dp[n][n-2][n-1][n]) puts(\"YES\");\n\t\t\telse puts(\"NO\");\n\t\t}\n\t}\n\treturn 0;\n}\n", "src_uid": "1805771e194d323edacf2526a1eb6768"}
{"source_code": "#include <stdio.h>\n\n#define M\t1000000007\n\nint main() {\n\tint i, j, l, n, k, sum;\n\tstatic int dp[2001][2001];\n\n\tscanf(\"%d%d\", &n, &k);\n\tdp[0][1] = 1;\n\tfor (l = 0; l < k; l++)\n\t\tfor (i = 1; i <= n; i++)\n\t\t\tif (dp[l][i] > 0)\n\t\t\t\tfor (j = i; j <= n; j += i)\n\t\t\t\t\tdp[l + 1][j] = (dp[l + 1][j] + dp[l][i]) % M;\n\tsum = 0;\n\tfor (i = 1; i <= n; i++)\n\t\tsum = (sum + dp[k][i]) % M;\n\tprintf(\"%d\\n\", sum);\n\treturn 0;\n}\n", "src_uid": "c8cbd155d9f20563d37537ef68dde5aa"}
{"source_code": "#include <stdio.h>\n\nint\nmain ()\n{\n  int a, b, mod;\n  long long i;\n  scanf (\"%d %d %d\", &a, &b, &mod);\n  if (b >= mod)\n    {\n      printf (\"2\\n\");\n      return 0;\n    }\n  for (i = 0; i <= a && i < mod; i++)\n    if ((i * 1000000000) % mod != 0 && ((i * 1000000000) % mod + b) < mod)\n      {\n\tprintf (\"1 %09d\\n\", (int)i);\n\treturn 0;\n      }\n  printf (\"2\\n\");\n  return 0;\n}\n", "src_uid": "8b6f633802293202531264446d33fee5"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n;\n    scanf(\"%lld\",&n);\n    long long int k = n-n/2-n/3+n/(2*3)-n/5+n/(2*5)+n/(5*3)-n/(2*3*5)-n/7+n/(2*7)+n/(3*7)+n/(5*7)-n/(2*3*7)-n/(2*5*7)-n/(3*5*7)+n/(2*3*5*7);\n    printf(\"%lld\",k);\n    return 0;\n}", "src_uid": "e392be5411ffccc1df50e65ec1f5c589"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    int i,n,sum=0,min=50000;\n\tchar c[51];\n\tscanf(\"%d\\n\",&n);\n\tfor(i=0;i<n;i++)\n\tscanf(\"%c\",&c[i]);\n\tfor(i=0;i<n-3;i++)\n\t{ \n\t  sum=0;\n\t  sum+=fabs(c[i]-'A')>=13?26-fabs(c[i]-'A'):fabs(c[i]-'A');\n\t  sum+=fabs(c[i+1]-'C')>=13?26-fabs(c[i+1]-'C'):fabs(c[i+1]-'C');\n\t  sum+=fabs(c[i+2]-'T')>=13?26-fabs(c[i+2]-'T'):fabs(c[i+2]-'T');\n\t  sum+=fabs(c[i+3]-'G')>=13?26-fabs(c[i+3]-'G'):fabs(c[i+3]-'G');\n\t  if(sum<=min)min=sum;\n\t}\n\tprintf(\"%d\",min); \n} ", "src_uid": "ee4f88abe4c9fa776abd15c5f3a94543"}
{"source_code": "#include <stdio.h>\n\nlong long gcd (long long a, long long b) {\n  if (a <= 0LL || b <= 0LL) {\n    return -1LL;\n  }\n  \n  if (a%b == 0LL) {\n    return b;\n  }\n  \n  return gcd(b, a%b);\n}\n\nint main () {\n  int n = 0;\n  \n  int res = 0;\n  \n  long long ans = 0LL;\n  long long mod_num = 1000000007LL;\n  \n  long long sum_c[50001] = {};\n  \n  res = scanf(\"%d\", &n);\n  \n  for (int i = n/2; i > 0; i--) {\n    long long k = (long long) (n/i);\n    long long d = gcd((long long)n, (long long)i);\n    if (n%i == 0) {\n      k -= 1LL;\n    }\n    sum_c[i] = (((long long)n)*(k*(k-1LL))/2LL)%mod_num;\n    sum_c[i] += mod_num-((((k*(k+1LL)*(k-1LL))/3LL)%mod_num)*((long long)i))%mod_num;\n    for (int p = 2; i*p <= n/2; p++) {\n      sum_c[i] += mod_num-sum_c[i*p];\n    }\n    sum_c[i] %= mod_num;\n    ans += sum_c[i]*(((long long)i)/d);\n    ans %= mod_num;\n  }\n  \n  printf(\"%lld\\n\", ans);\n  \n  return 0;\n}\n", "src_uid": "c3694a6ff95c64bef8cbe8834c3fd6cb"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <malloc.h>\n#include <string.h>\n \n//获取给定矩形内的中提琴家的数量\nint get_violas_num(int **grid_array, int x_row, int y_clo, int row_num, int col_num)\n{\n\tint i,j ;\n\tint violas_num = 0;\n\tfor(i = x_row; i <=row_num; i++)\n\t{\n\t\tfor(j = y_clo; j <=col_num; j++)\n\t\t{\n\t\t\tif(1 == grid_array[i][j])\n\t\t\t{\n\t\t\t\tviolas_num++;\n\t\t\t}\n\t\t}\n\t}\n\treturn violas_num;\n}\n//给定起始节点，获取节点内所有可能矩形区域的数目\nint get_rec_num(int **grid_array, int x_value, int y_value, int row_value, int col_value, int mini_value)\n{\n\tint i,j;\n\tint rec_num = 0;\n\tfor(i = x_value; i < row_value; i++)\n\t{\n\t\tfor(j = y_value; j < col_value; j++)\n\t\t{\n\t\t\tif(get_violas_num(grid_array, x_value, y_value, i, j) >= mini_value)\n\t\t\t{\n\t\t\t\trec_num++;\n\t\t\t}\n\t\t}\n\t}\n\treturn rec_num;\n}\nint main() \n{\n\t  int row = 0, column = 0, number = 0; //中提琴家的数目\n\t  int min_number = 0,recta_num = 0;\n\t  int **grid_array;\n\t  int i, x, y, j;\n\t  scanf(\"%d%d%d%d\",&row, &column, &number, &min_number);\n\t  //动态申请二维数组,并初始化\n      grid_array = (int**)malloc(sizeof(int*) * row);\n\t  if(!grid_array)\n\t  {\n\t\t exit(EXIT_FAILURE);\n\t  }\n\t  for(i = 0; i < row; i++)\n\t  {\n\t\t  *(grid_array + i) = (int*)malloc(sizeof(int) * column);\n\t  }\n\t  \n\t  for(i = 0; i < number; i++)\n\t  {\n\t\t  scanf(\"%d%d\",&x, &y);\n\t\t  grid_array[x-1][y-1] = 1;\n\t  }\n\t  for(i = 0; i < row; i++)\n\t  {\n\t\t  for(j = 0; j < column; j++)\n\t\t  {\n\t\t\t recta_num += get_rec_num(grid_array, i, j, row, column, min_number);\n\t\t  }\n\t  }\n\t  printf(\"%d\\n\",recta_num);\n  return EXIT_SUCCESS;\n}", "src_uid": "9c766881f6415e2f53fb43b61f8f40b4"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int n,i,ln,c=0,t=0;\n    scanf(\"%d\",&n);\n    char a[n];\n    scanf(\"%s\",a);\n    for(i=0;i<n;i++){\n        if(a[i]=='+')\n        c++;\n    else\n        if(c>0)\n        c--;\n    }\n    if(c>=0)\n        printf(\"%d\",c);\n      else  printf(\"0\");\n\n}\n", "src_uid": "a593016e4992f695be7c7cd3c920d1ed"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    double x1,y1,x2,y2,x3,y3;\n    scanf(\"%lf%lf%lf%lf%lf%lf\",&x1,&y1,&x2,&y2,&x3,&y3);\n    double m1,m2,n1,n2,o1,o2,a,b,c,d,e,f;\n    m1=(x1+x2)/2;\n    m2=(y1+y2)/2;\n    n1=(x1+x3)/2;\n    n2=(y1+y3)/2;\n    o1=(x2+x3)/2;\n    o2=(y2+y3)/2;\n    a=(2.0*m1)-x3;\n    b=(2.0*m2)-y3;\n    c=(2.0*n1)-x2;\n    d=(2.0*n2)-y2;\n    e=(2.0*o1)-x1;\n    f=(2.0*o2)-y1;\n    printf(\"3\\n\");\n    printf(\"%.0lf %.0lf\\n\",a,b);\n    printf(\"%.0lf %.0lf\\n\",c,d);\n    printf(\"%.0lf %.0lf\",e,f);\n    return 0;\n}\n", "src_uid": "7725f9906a1b87bf4e866df03112f1e0"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a,b,c;\n    scanf(\"%d%d%d\",&a,&b,&c);\n    while(b-a <1 || c-a<2)\n    {\n        a--;\n    }\nprintf(\"%d\",a+a+1+a+2);\n}", "src_uid": "03ac8efe10de17590e1ae151a7bae1a5"}
{"source_code": "#include<stdio.h>\n#define big 1000000007\nint main()\n{\n\tint n;\n\tscanf(\"%d\",&n);\n\tif(n==1)\n\t{\n\t\tprintf(\"1\\n\");\n\t\treturn 0;\n\t}\n\telse if (n==2)\n\t{\n\t\tprintf(\"3\\n\");\n\t\treturn 0;\n\t}\n\telse\n\t{\n\t\tlong long int a = 1, b = 3 , temp;\n\t\tint i=1; \n\t\tfor( ; i <= n-2 ; i++)\n\t\t{\n\t\t\ttemp = b%big;\n\t\t\tb = (a+b+2)%big;\n\t\t\ta = temp%big;\n\t\t}\n\t\tprintf(\"%I64d\\n\",b);\n\t\treturn 0;\n\t}\n}\n", "src_uid": "5c4bd12df3915186a7b506c2060db125"}
{"source_code": "#include<stdio.h>\r\n#include<stdlib.h>\r\n#include<stdbool.h>\r\n#define NUM 1000000007LL\r\n\r\nlong long find(int k)\r\n{\r\n    long long a = 4, sum = 1;\r\n    k--;\r\n    while(k--){\r\n        a = a*a;\r\n        a %= NUM;\r\n        sum *= a;\r\n        sum %= NUM;\r\n    } \r\n    sum *= 6;\r\n    sum %= NUM;\r\n    return sum;\r\n}\r\n\r\nint main(void)\r\n{\r\n    int k; scanf(\"%d\", &k);\r\n    printf(\"%lld\\n\", find(k));\r\n    return 0;\r\n}", "src_uid": "5144b9b281ea4087d8334d91c3c8bda4"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n\nint main(void)\n{\n\t int x, y, z;\n    x=y=z=0;\n    char s[1000];\n    scanf(\"%s\", s);\n    int p=0;\n    for(p=0; s[p]!='+'; p++) x++;\n    for(p++; s[p]!='='; p++) y++;\n    for(p++; p<strlen(s); p++) z++;\n    if(x+y==z) printf(\"%s\", s);\n    else if(z>1 && x+y==z-2) {\n        for(p=0; p<x+1; p++) printf(\"|\");\n        printf(\"+\");\n        for(p=0; p<y; p++) printf(\"|\");\n        printf(\"=\");\n        for(p=0; p<z-1; p++) printf(\"|\");\n    }\n    else if((x>1 || y>1) && x+y==z+2) {\n        if(x>1) {\n            for(p=0; p<x-1; p++) printf(\"|\");\n            printf(\"+\");\n            for(p=0; p<y; p++) printf(\"|\");\n            printf(\"=\");\n            for(p=0; p<z+1; p++) printf(\"|\");\n        }\n        else {\n            for(p=0; p<x; p++) printf(\"|\");\n            printf(\"+\");\n            for(p=0; p<y-1; p++) printf(\"|\");\n            printf(\"=\");\n            for(p=0; p<z+1; p++) printf(\"|\");\n        }\n    }\n    else printf(\"Impossible\");\n    return 0;\n}", "src_uid": "ee0aaa7acf127e9f3a9edafc58f4e2d6"}
{"source_code": "#include <stdio.h>\nint res = 0;\n \nint solve(int x){\n\tif(!x)\n\t\treturn 0;\n\tif(x&1)\n\t\tres++ ;\n\tsolve(x>>1);\n\treturn res;\n}\n \nint main(void) {\n\t// your code goes here\n\tlong int x;\n\tscanf(\"%ld\",&x);\n\tprintf(\"%d\",solve(x));\n\treturn 0;\n}", "src_uid": "03e4482d53a059134676f431be4c16d2"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n    int i = 0, j = 0, k = 0, n, flag = 0;\n    char str[101], w1[4] = {\"ogo\"};\n    scanf(\"%d\", &n);\n    scanf(\"%s\", str);\n    while(i < n) {\n        j = 0;\n        k = i;\n        while(str[k] == w1[j] && (j < 3)) {\n            k++;\n            j++;\n        }\n        if(j == 3) {\n            i += 3;\n            while(1) {\n                if(str[k] == 'g' && str[k+1] == 'o') {\n                    k += 2;\n                    i += 2;\n                }\n                else {\n                    printf(\"***\");\n                    break;\n                }\n            }\n        }\n        else {\n            printf(\"%c\", str[i++]);\n        }\n    }\n    return 0;\n}\n", "src_uid": "619665bed79ecf77b083251fe6fe7eb3"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int n,ar[100000]={0},z=0;\n    scanf(\"%d\",&n);\n    ar[z++]=1;\n    n--;\n    while(n)\n    {\n    ar[z++]=1;\n    n--;\n    //if(n==0)\n    //break;\n    //else\n    {\n    if(ar[z-1]==ar[z-2])\n    {\n    for(int i=z-1;i>0;i--)\n    {\n    if(ar[i]==ar[i-1])\n    {\n    ar[i-1]+=1;\n    ar[i]=0;\n    --z;\n    }\n    }\n    }\n    }\n    }\n    for(int i=0;ar[i]>0;i++)\n    printf(\"%d \",ar[i]);\n    return 0;\n}", "src_uid": "757cd804aba01dc4bc108cb0722f68dc"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n#include <math.h>\n\n#define N 100000\n#define EPS 1E-6\n\nint sign(double x) { \n  return x < -EPS ? -1 : x > EPS; \n}\n\ndouble sqr(double x) { \n  return x * x; \n}\n\ntypedef struct point {\n  double x, y;\n} point;\n\ndouble dist(point a, point b) {\n  return hypot(a.x - b.x, a.y - b.y);\n}\n\ndouble cross(point a, point b, point c) {\n  return (b.x - a.x) * (c.y - b.y) - (b.y - a.y) * (c.x - b.x);\n}\n\n/* PA * PB */\ndouble dot(point p, point a, point b) {\n  return (a.x - p.x) * (b.x - p.x) + (a.y - p.y) * (b.y - p.y);\n}\n\n/* delta angle of ABC */\ndouble delta_angle(point a, point b, point c) {\n  return acos(dot(b, a, c) / (dist(a, b) * dist(b, c)));\n}\n\npoint *__o;\n\nint angle_cmp(point *p, point *q) {\n  int c;\n  if (c = sign(cross(*__o, *p, *q)))\n    return -c;\n  return sign(dist(*p, *__o) - dist(*q, *__o));\n}\n\npoint stack[N];\n\nint convex_hull(point *ps, int n) {\n  int i, k, top;\n  point q;\n\n  k = 0;\n  for (i = 1; i < n; i++)\n    if (sign(ps[i].y - ps[k].y) < 0 || sign(ps[i].y - ps[k].y) == 0 && ps[i].x < ps[k].x)\n      k = i;\n\n  q = ps[k];\n  ps[k] = ps[0];\n  ps[0] = q;\n\n  __o = &ps[0];\n  qsort(ps + 1, n - 1, sizeof(point), (int (*)(const void *, const void *))angle_cmp);\n\n  top = 0;\n  for (i = 0; i < n; i++) {\n//    printf(\"%lf,%lf\\n\", ps[i].x, ps[i].y);\n    while (top >= 2 && sign(cross(stack[top - 2], stack[top - 1], ps[i])) <= 0) top--;\n    stack[top++] = ps[i];\n  }\n  memcpy(ps, stack, sizeof(point) * top);\n  return top;\n}\n\ndouble cccr(point A, point B, point C) {\n  double a, b, c, cos_B, sin_B, R;\n\n  a = dist(B, C);\n  b = dist(A, C);\n  c = dist(A, B);\n  cos_B = (a * a + c * c - b * b) / (2 * a * c);\n  sin_B = sqrt(1.0 - cos_B * cos_B);\n  return b / sin_B / 2.0;\n}\n\nint too_straight(point A, point B, point C, double r) {\n//  printf(\"R=%lf vs r=%lf\\n\", R, r);\n  return sign(dot(B, A, C)) < 0 && sign(cccr(A, B, C) - r) > 0;\n}\n\ndouble area_bow(double r, double l) {\n  double tri = l * sqrt(sqr(r) - sqr(l / 2)) / 2;\n  double theta = 2 * asin(l / (r + r));\n  double sector = theta * r * r / 2;\n  return sector - tri;\n}\n\ndouble area_polygon(const point a[], int n) {\n  int i, j;\n  double area = 0.0;\n  for (j = 0, i = n - 1; j < n; i = j++)\n    area += a[i].x * a[j].y - a[i].y * a[j].x;\n  return fabs(area) / 2;\n}\n\nvoid die() {\n  *(char *)NULL = 0;\n}\n\nint main() {\n  static point ps[N];\n  int n;\n  double r;\n  double ans, R, Rmin;\n  int i, j, k, z, top, s, ch;\n\n  scanf(\"%d %lf\", &n, &r);\n  for (i = 0; i < n; i++)\n    scanf(\"%lf %lf\", &ps[i].x, &ps[i].y);\n\n  if (n == 1) {\n    puts(\"0\");\n  } else if (n == 2) {\n    ans = area_bow(r, dist(ps[0], ps[1])) * 2.0;\n    printf(\"%.9lf\\n\", ans);\n  } else {\n    n = convex_hull(ps, n);\n//    printf(\"n=%d\\n\", n);\n\n    top = 0;\n    for (i = 0; i < n; i++) {\n      while (top >= 2 && too_straight(stack[top - 2], stack[top - 1], ps[i], r))\n        top--;\n      stack[top++] = ps[i];\n    }\n\n    s = 0;\n    ch = 1;\n    while (ch) {\n      ch = 0;\n      while (top - s >= 3 && too_straight(stack[top - 2], stack[top - 1], stack[s], r))\n        top--, ch = 1;\n      while (top - s >= 3 && too_straight(stack[top - 1], stack[s], stack[s + 1], r))\n        s++, ch = 1;\n    }\n    memcpy(stack, stack + s, sizeof(stack[0]) * (top -= s));\n//    printf(\"top=%d\\n\", top);\n\n    ans = area_polygon(stack, top);\n    for (i = 0, j = 1 % top; i < top; i++, j = (j + 1) % top) {\n//      printf(\"%lf,%lf\\n\", stack[i].x, stack[i].y);\n      ans += area_bow(r, dist(stack[i], stack[j]));\n    }\n    printf(\"%.9lf\\n\", ans);\n\n    if (top >= 3)\n      for (i = 0, j = 1 % top, k = 2 % top; i < top; i++, j = (j + 1) % top, k = (k + 1) % top)\n        if (too_straight(stack[i], stack[j], stack[k], r))\n          die();\n  }\n\n  return 0;\n}\n", "src_uid": "5f2a0960bab9bdc91b190ed07d6adcf7"}
{"source_code": "#include <stdio.h>\n\nint main(void)\n{\n    int hy, ay, dy;\n    int hm, am, dm;\n    int ch, ca, cd;\n    scanf(\"%d %d %d\", &hy, &ay, &dy);\n    scanf(\"%d %d %d\", &hm, &am, &dm);\n    scanf(\"%d %d %d\", &ch, &ca, &cd);\n    int mina = ay > dm ? ay : dm + 1;\n    int maxa = ay > hm + dm ? ay : hm + dm;\n    int maxd = dy > am ? dy : am;\n    int a, d, val = -1;\n    for (a = mina; a <= maxa; a++) {\n        int decm = a - dm, t = (hm + decm - 1) / decm;\n        for (d = dy; d <= maxd; d++) {\n            int decy = am - d > 0 ? am - d : 0;\n            int ht = hy - decy * t;\n            int hp = ht > 0 ? 0 : 1 - ht;\n            int c = (a - ay) * ca + (d - dy) * cd + hp * ch;\n            if (val == -1 || c < val)\n                val = c;\n        }\n    }\n    printf(\"%d\\n\", val);\n    return 0;\n}", "src_uid": "bf8a133154745e64a547de6f31ddc884"}
{"source_code": "#include<stdio.h>\nmain()\n{\n   int a;\n   scanf(\"%d\",&a);\n   if(a%2==0)\n   {\n       printf(\"%d\",(a/2)-1);\n   }\n   else\n   {\n       printf(\"%d\",a/2);\n   }\n\n\n}\n", "src_uid": "dfe9446431325c73e88b58ba204d0e47"}
{"source_code": "#include <stdio.h>\n\nint isp (int points, int place )\n\t{\n\t\tint j = (points/50) % 475;\n\t\tint i;\n\t\tfor ( i = 0; i < 25; i++)\n\t\t\t{\n\t\t\tj = (j*96+42) % 475;\n\t\t\tif ( j+ 26 == place)\n\t\t\t\treturn 1;\n\t\t\t}\n\t\treturn 0;\t\n\t}\n\n\nint main()\n{\n//\tint i,j;\n//\tint s;\n\tint p,x,y;     // 26<=p<500    // 1<=y<=x<20000\n\tint result = -1;\n\tint i,j,k;\n\t\n\tscanf(\"%i %i %i\", &p, &x, &y);\n\t\n\t\n\n\tfor ( i = x; i >= y; i-=50)\n\t\t{\n\t\t\n\t\t\tif (isp(i,p) )\n\t\t\t{\n\t\t\t\tresult = 0;\n\t\t\t\tgoto end;\n\t\t\t}\t\n\t\t\t\n\t\t}\n\n\n\n\tfor ( i = x;  i < 40001; i+=50)  \n\t\t{\n\t\t\t\tif (isp(i,p))\n\t\t\t\t\t{\n\t\t\t\t\t\tif ( (i-x) % 100 != 0)\n\t\t\t\t\t\t\tresult = (i - x ) / 100 +1;\n\t\t\t\t\t\telse result = (i-x)/100;\n\t\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\n\t\t}\n\t\n\nend:\n\tprintf(\"%i\",result);\n\treturn 0;\n}\n\n", "src_uid": "c9c22e03c70a94a745b451fc79e112fd"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n\n#define N\t100\n#define MD\t1000000007\n\nint main() {\n\tstatic int aa[10], dp[N + 1], ch[N + 1][N + 1];\n\tint n, d, m, l, i, j, ans;\n\n\tscanf(\"%d\", &n);\n\tfor (d = 0; d < 10; d++)\n\t\tscanf(\"%d\", &aa[d]);\n\tch[0][0] = 1;\n\tfor (i = 1; i <= n; i++) {\n\t\tch[i][0] = 1;\n\t\tfor (j = 1; j <= i; j++)\n\t\t\tch[i][j] = (ch[i - 1][j] + ch[i - 1][j - 1]) % MD;\n\t}\n\tdp[0] = 1;\n\tfor (d = 9; d >= 0; d--)\n\t\tfor (m = n; m >= 0; m--) {\n\t\t\tint x = dp[m];\n\n\t\t\tif (x == 0)\n\t\t\t\tcontinue;\n\t\t\tdp[m] = 0;\n\t\t\tfor (l = aa[d]; m + l <= n; l++) {\n\t\t\t\tint y = d == 0 ? (m + l - 1 < l ? 0 : ch[m + l - 1][l]) : ch[m + l][l];\n\n\t\t\t\tdp[m + l] = (dp[m + l] + (long long) x * y) % MD;\n\t\t\t}\n\t\t}\n\tans = 0;\n\tfor (m = 1; m <= n; m++)\n\t\tans = (ans + dp[m]) % MD;\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "c1b5169a5c3b1bd4a2f1df1069ee7755"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#include<stdlib.h>\n\n\nint main(){\n    int x1,y1,x2,y2,d,p;\n    \n    scanf(\"%d%d\",&x1,&y1);\n    scanf(\"%d%d\",&x2,&y2);\n    \n    if(abs(x1-x2)==abs(y1-y2)){\n        d=abs(x1-x2);\n    }\n    else if(abs(x1-x2)>abs(y1-y2)){\n        p=abs(x1-x2)-abs(y1-y2);\n        d=abs(y1-y2)+p;\n    }\n    else{\n        p=abs(y1-y2)-abs(x1-x2);\n        d=abs(x1-x2)+p;\n    }\n    printf(\"%d\",d);\n    return 0;\n}", "src_uid": "a6e9405bc3d4847fe962446bc1c457b4"}
{"source_code": "#include <stdio.h>\n\nint main(){\n    double a,b; \n    double div;\n    scanf(\"%lf %lf\", &a, &b);\n    div = b/a;\n    if(div == 1){\n        printf(\"0\");\n    }\n    else{\n        if(div-(int)div != 0){\n            printf(\"-1\");\n        }\n        else{\n            int count = 0;\n            while(1){\n                float tmp;\n                tmp = div/2;\n                if(tmp-(int)tmp != 0){\n                    break;\n                }\n                else{\n                    div = div/2;\n                    count++;\n                }\n            }\n            while(1){\n                float tmp;\n                tmp = div/3;\n                if(tmp-(int)tmp != 0){\n                    break;\n                }\n                else{\n                    div = div/3;\n                    count++;\n                }\n            }\n            if(div == 1){\n                 printf(\"%d\", count);\n            }\n            else{\n                printf(\"-1\");\n            }\n        }\n    }\n}\n", "src_uid": "3f9980ad292185f63a80bce10705e806"}
{"source_code": "//Erick Jair García Barradas A01740197\n//Carlos Orozco Flores A01328800\n\n#include <stdio.h>\n#include <string.h>\n#define TRUE 1\n#define FALSE 0\n\n \n int main(int argc, char const *argv[]){\n \tint num = 0;\n \tscanf(\"%d\",&num);\n \tif (num % 2 == 0){\n \t\tprintf(\"%d\\n\", ((num / 2) + 1));\n \t} else {\n \t\tprintf(\"%d\\n\", ((num + 1) / 2));\n \t}\n \t\n }", "src_uid": "5551742f6ab39fdac3930d866f439e3e"}
{"source_code": "/*\n * main.c\n *\n *  Created on: 03 ���. 2014 �.\n *      Author: ulgish\n */\n\n\n/*\n * util.c\n *\n *  Created on: 30 ���� 2014 �.\n *      Author: ulgish\n */\n#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n#include <math.h>\n\n#define MAX(A,B) (((A) > (B))?(A):(B))\n#define MIN(A,B) (((A) < (B))?(A):(B))\n\n#define LN printf(\"\\n\")\n#define TAB printf(\"\\t\")\n#define SPACE printf(\" \")\n\ntypedef unsigned long long uint64;\ntypedef long long int64;\ntypedef signed short int16;\ntypedef unsigned short uint16;\ntypedef char byte;\n\n\nvoid int64_print(int64 n){\n\tint64 carry = 10;\n\tif (n == 0){\n\t\tprintf(\"0\");\n\t\treturn;\n\t}\n\tchar buf[20];\n\tbuf[0] = '\\0';\n\tint i = 0, j;\n\twhile (n > 0){\n\t\tbuf[i] = n % carry;\n\t\tn = n / carry;\n\t\ti += 1;\n\t}\n\ti--;\n\tfor (j = i; j>= 0; j--){\n\t\tprintf(\"%c\", 48 + buf[j]);\n\t}\n}\nvoid uint64_print(uint64 n){\n\tuint64 carry = 10;\n\tchar buf[20];\n\tbuf[0] = '\\0';\n\tint i = 0, j;\n\twhile (n > 0){\n\t\tbuf[i] = n % carry;\n\t\tn = n / carry;\n\t\ti += 1;\n\t}\n\ti--;\n\tfor (j = i; j>= 0; j--){\n\t\tprintf(\"%c\", 48 + buf[j]);\n\t}\n}\n\n\nuint64 uint64_read(){\n\tchar* s = (char*) calloc(20, sizeof(char));\n\ts[0] = '\\0';\n\tscanf(\"%s\", s);\n\t//printf(\"=======%s\\n\", s);\n\tuint64 ret = 0;\n\tuint64 carry = 1;\n\tint len = strlen(s), i;\n\tfor (i = 0; i < len; i++){\n\t\tret += carry * (s[len-1-i] - 48);\n\t\tcarry*=10;\n\t};\n\tfree(s);\n\treturn ret;\n}\n\n\nint64 int64_read(){\n\tchar* s = (char*) calloc(21, sizeof(char));\n\ts[0] = '\\0';\n\tscanf(\"%s\", s);\n\t//printf(\"=======%s\\n\", s);\n\tint64 ret = 0;\n\tint64 carry = 1;\n\tint len = strlen(s), i;\n\tfor (i = 0; i < len; i++){\n\t\tret += carry * (s[len-1-i] - 48);\n\t\tcarry*=10;\n\t};\n\tfree(s);\n\treturn ret;\n}\n\n//#define DEBUG\n\nint64 x;\nint a[100001];\nint b[100001];\n\nint n,d;\n\nvoid swap(int* a, int* b){\n\tint c;\n\tc = *a;\n\t*a = *b;\n\t*b = c;\n\treturn;\n}\nint64 getNextX() {\n    x = (x * 37 + 10007) % 1000000007;\n    return x;\n}\nvoid initAB() {\n\tint i;\n    for(i = 0; i < n; i = i + 1){\n        a[i] = i + 1;\n    }\n    for(i = 0; i < n; i = i + 1){\n        swap(&(a[i]), &(a[(int)(getNextX() % (i + 1))]));\n    }\n    for(i = 0; i < n; i = i + 1){\n        if (i < d)\n            b[i] = 1;\n        else\n            b[i] = 0;\n    }\n    for(i = 0; i < n; i = i + 1){\n        swap(&(b[i]), &(b[(int)(getNextX() % (i + 1))]));\n    }\n}\n\n\nint main(){\n\tscanf(\"%d %d\", &n, &d);\n\tx = int64_read();\n\tint i,j;\n\tinitAB();\n\tint max_a[100000];\n\tint index_a[100001];\n\tint sum_b[100000];\n\tint q[100001];\n\tq[0] = 0;\n\tsum_b[0] = b[0];\n\tmax_a[0] = a[0];\n#ifdef DEBUG\n//\tprintf(\"d:%d\\na:\\n\", d);\n//\tfor (i = 0 ; i < n; i++){\n//\t\tprintf(\"%d\\t\", a[i]);\n//\t}\n//\tLN;\n//\tfor (i = 0 ; i < n; i++){\n//\t\tprintf(\"%d\\t\", b[i]);\n//\t}\n//\tLN;\n//\n#endif\n\tint tmp = -1;\n\tfor (i = 0; i< n; i++){\n\t\tindex_a[a[i]] = i;\n\t\tif (b[i]) q[++q[0]] = i;\n\t\tif (i > 0){\n\t\t\tsum_b[i] = b[i] + sum_b[i-1];\n\t\t}\n\t\tif (sum_b[i] == 0){\n\t\t\ttmp = i;\n\t\t}\n\n\t}\n#ifdef DEBUG\n\tprintf(\"tmp:%d\\n\", tmp);\n\tprintf(\"sum_b[%d]:%d\\n\", tmp+1, sum_b[tmp+1]);\n#endif\n\tfor (i = 0; i <= tmp; i++){\n\t\tmax_a[i] = MAX(a[i], max_a[i-1]);\n\t\tprintf(\"0\\n\");\n\t}\n\tfor (i = tmp+1; i < n; i++){\n\t\tint c = 0;\n\t\tmax_a[i] = MAX(a[i], max_a[i-1]);\n#ifdef DEBUG\n\t\tprintf(\"max_a[%d]:%d\\t index_a[%d:%d]\\t\", i, max_a[i], max_a[i], index_a[max_a[i]]);\n#endif\n\t\tif (sum_b[i] == i+1){\n\t\t\tprintf(\"%d\\n\", max_a[i]);\n\t\t\tcontinue;\n\t\t}\n\t\tint s = 0;\n\t\tbyte next = 0;\n\t\tfor (j = max_a[i]; j >= 1 && s < 100; j--, s++){\n\t\t\tif (index_a[j] <= i){\n#ifdef DEBUG\n\t\t\t\tprintf(\"j:%d\\tb[%d]:%d\\n\", j, i-index_a[j], b[i - index_a[j]]);\n#endif\n\t\t\t\tif (b[i - index_a[j]]){\n\t\t\t\t\tnext = 1;\n\t\t\t\t\tprintf(\"%d\\n\", j);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (next){\n\t\t\tcontinue;\n\t\t}\n\n\t\tfor (j = 1; j <= q[0] && q[j] <= i; j++){\n\t\t\tc = MAX(c, a[i - q[j]]);\n\t\t}\n#ifdef DEBUG\n\t\tprintf(\"brutforce:\\t\");\n#endif\n\t\tprintf(\"%d\\n\",c);\n\t}\n\n\treturn 0;\n}\n", "src_uid": "948ae7a0189ada07c8c67a1757f691f0"}
{"source_code": "#include <stdio.h>\nint gcd(int a,int b);\nint lcm(int a,int b);\nint main()\n{\n   int a,b,c,d,lc,hcf;\n   scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n   if(a>b)\n   {\n   \ta=a+b;\n   \tb=a-b;\n   \ta=a-b;\n   \tc=c+d;\n   \td=c-d;\n   \tc=c-d;\n   }\n  lc=lcm(a,c);\n  b=b*lc/a;\n  d=d*lc/c;\n  hcf=gcd(b,d);\n  if(b-d>0)\n  printf(\"%d/%d\",(b-d)/hcf,b/hcf);\n  else\n  {\n    b=b*a/lc;\n    d=d*c/lc;\n    lc=lcm(b,d);\n    a=a*lc/b;\n    c=c*lc/d;\n    hcf=gcd(a,c);\n    printf(\"%d/%d\",(a-c)/hcf,a/hcf);\n      \n  }\n  return 0;\n\n}\nint gcd(int a,int b)\n{\n\tif(a==0)\n\t\treturn b;\n\telse if(b==0)\n\t\treturn a;\n\telse\n\t\treturn(gcd(b,a%b));\n}\nint lcm(int a,int b)\n{\n\treturn(a*b/gcd(a,b));\n}", "src_uid": "b0f435fc2f7334aee0d07524bc37cb1e"}
{"source_code": "#include <stdio.h>\n\nvoid primera (){\n\tint i;\n\t\tprintf (\"+\");\n\tfor (i=0;i<24;i++){\n\t\tprintf(\"-\");\n\t}\n\tprintf(\"+\\n\");\n}\nvoid pasajeros (int n, int s){\n\tint i;\n\tint a = n;\n\tint b = 0;\n\tint c = 4;\n\tprintf(\"|\");\n\tif (s == 1){\n\t\tif (n==1){\n\t\t\tfor (i=1;i<12;i++){\n\t\t\t\tprintf(\"#.\");\n\t\t\t}\n\t\t}\n\t\telse {\n\t\t\t\ti = 1;\n\tdo {\n\t\tif (a>0){\n\t\t\tif (b == 0){\n\t\t\t\ta=a-c;\n\t\t\t\tc--;\n\t\t\t\tb++;\n\t\t\t}\n\t\t\telse \n\t\t\t\ta = a - c;\n\t\t\tprintf(\"O.\");\n\t\t}\n\t\telse \n\t\t\tprintf(\"#.\");\n\t\ti++;\n\t} while (i<=11);\n\t\t}\n\t}\n\telse {\n\ti = 1;\n\tdo {\n\t\tif (a>0){\n\t\t\tif (b == 0){\n\t\t\t\ta=a-c;\n\t\t\t\tc--;\n\t\t\t\tb++;\n\t\t\t}\n\t\t\telse \n\t\t\t\ta = a - c;\n\t\t\tprintf(\"O.\");\n\t\t}\n\t\telse \n\t\t\tprintf(\"#.\");\n\t\ti++;\n\t} while (i<=11);\n\t}\n\n\tprintf(\"|\");\n}\n\nvoid vacia (int n){\n\tprintf(\"|\");\n\tint i;\n\tif (n >= 3){\n\t\tprintf(\"O.\");\n\t}\n\telse \n\t\tprintf(\"#.\");\n\tfor (i=1;i<23;i++){\n\t\tprintf(\".\");\n\t}\n\tprintf(\"|\\n\");\n}\n\nint main (){\n\tint n;\n\tint s = 0;\n\tscanf (\"%i\", &n);\n\tprimera();\n\tpasajeros(n, s);\n\tprintf(\"D|)\\n\");\n\tpasajeros(n-1, s);\n\tprintf(\".|\\n\");\n\tvacia(n);\n\ts = 1;\n\tpasajeros(n-2, s);\n\tprintf(\".|)\\n\");\n\tprimera();\n\t\n\treturn 0;\n}", "src_uid": "075f83248f6d4d012e0ca1547fc67993"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n#define N\t50\n#define A\t26\n#define N_\t(1 + N + A + 1)\n#define M_\t(N + N * A + A)\n#define INF\t0x3f3f3f3f\n\nint min(int a, int b) { return a < b ? a : b; }\nint max(int a, int b) { return a > b ? a : b; }\n\nint oo[1 + M_ * 2], oh[1 + M_ * 2];\n\nint link(int o, int h) {\n\tstatic int _ = 1;\n\n\too[_] = o, oh[_] = h;\n\treturn _++;\n}\n\nint ii[M_], jj[M_], cc[M_ * 2], cost[M_], cost_[M_], m_;\nint ae[N_], pi[N_], dd[N_], ff[N_], n_;\nint pq[1 + N_], iq[N_], cnt;\n\nvoid link_(int i, int j, int c, int co) {\n\tint h = m_++;\n\n\tii[h] = i, jj[h] = j, cc[h << 1] = c;\n\tcost[h] = co;\n\tae[i] = link(ae[i], h << 1);\n\tae[j] = link(ae[j], h << 1 | 1);\n}\n\nint less(int u, int v) {\n\treturn pi[u] < pi[v] || pi[u] == pi[v] && dd[u] < dd[v];\n}\n\nint i2(int i) {\n\treturn (i *= 2) > cnt ? 0 : i < cnt && less(pq[i + 1], pq[i]) ? i + 1 : i;\n}\n\nvoid pq_up(int u) {\n\tint i, j, v;\n\n\tfor (i = iq[u]; (j = i / 2) && less(u, v = pq[j]); i = j)\n\t\tpq[iq[v] = i] = v;\n\tpq[iq[u] = i] = u;\n}\n\nvoid pq_dn(int u) {\n\tint i, j, v;\n\n\tfor (i = iq[u]; (j = i2(i)) && less(v = pq[j], u); i = j)\n\t\tpq[iq[v] = i] = v;\n\tpq[iq[u] = i] = u;\n}\n\nvoid pq_add_last(int u) {\n\tpq[iq[u] = ++cnt] = u;\n}\n\nint pq_remove_first() {\n\tint u = pq[1], v = pq[cnt--];\n\n\tif (v != u)\n\t\tiq[v] = 1, pq_dn(v);\n\tiq[u] = 0;\n\treturn u;\n}\n\nint dijkstra(int s, int t) {\n\tmemset(pi, 0x3f, n_ * sizeof *pi);\n\tpi[s] = 0, pq_add_last(s);\n\twhile (cnt) {\n\t\tint i, d, o;\n\n\t\ti = pq_remove_first();\n\t\td = dd[i] + 1;\n\t\tfor (o = ae[i]; o; o = oo[o]) {\n\t\t\tint h_ = oh[o];\n\n\t\t\tif (cc[h_] > 0) {\n\t\t\t\tint h = h_ >> 1, j = i ^ ii[h] ^ jj[h];\n\t\t\t\tint p = pi[i] + ((h_ & 1) == 0 ? cost_[h] : -cost_[h]);\n\n\t\t\t\tif (pi[j] > p || pi[j] == p && dd[j] > d) {\n\t\t\t\t\tif (pi[j] == INF)\n\t\t\t\t\t\tpq_add_last(j);\n\t\t\t\t\tpi[j] = p, dd[j] = d, ff[j] = h_;\n\t\t\t\t\tpq_up(j);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\treturn pi[t] != INF;\n}\n\nint trace(int s, int t) {\n\twhile (t != s) {\n\t\tint h_ = ff[t], h = h_ >> 1;\n\n\t\tcc[h_]--, cc[h_ ^ 1]++;\n\t\tt ^= ii[h] ^ jj[h];\n\t}\n\treturn 1;\n}\n\nint edmonds_karp(int s, int t) {\n\tint h, f, ans;\n\n\tfor (h = 0; h < m_; h++) {\n\t\tint i = ii[h], j = jj[h];\n\n\t\tpi[j] = min(pi[j], pi[i] + cost[h]);\n\t}\n\tfor (h = 0; h < m_; h++) {\n\t\tint i = ii[h], j = jj[h];\n\n\t\tcost_[h] = cost[h] + pi[i] - pi[j];\n\t}\n\tf = 0;\n\twhile (dijkstra(s, t)) {\n\t\tf += trace(s, t);\n\t\tfor (h = 0; h < m_; h++) {\n\t\t\tint i = ii[h], j = jj[h];\n\n\t\t\tif (pi[i] != INF && pi[j] != INF) {\n\t\t\t\t/* pi[j] <= pi[i] + cost_[h] */\n\t\t\t\t/* cost_[h] + pi[i] - pi[j] >= 0 */\n\t\t\t\tcost_[h] += pi[i] - pi[j];\n\t\t\t}\n\t\t}\n\t}\n\tans = 0;\n\tfor (h = 0; h < m_; h++)\n\t\tans += cc[h << 1 | 1] * cost[h];\n\treturn ans;\n}\n\nint main() {\n\tstatic char cc[N * 2 + 1];\n\tstatic int bb[N * 2], kk[A];\n\tint n, i, a;\n\n\tscanf(\"%d%s\", &n, cc), n /= 2;\n\tn_ = 1 + n + A + 1;\n\tfor (i = 0; i < n * 2; i++)\n\t\tscanf(\"%d\", &bb[i]);\n\tfor (i = 0; i < n; i++)\n\t\tlink_(0, 1 + i, 2, 0);\n\tfor (i = 0; i < n; i++) {\n\t\tint j = n * 2 - 1 - i;\n\t\tint ai = cc[i] - 'a';\n\t\tint aj = cc[j] - 'a';\n\n\t\tfor (a = 0; a < A; a++) {\n\t\t\tint b;\n\n\t\t\tif (a == ai && a == aj)\n\t\t\t\tb = max(bb[i], bb[j]);\n\t\t\telse if (a == ai)\n\t\t\t\tb = bb[i];\n\t\t\telse if (a == aj)\n\t\t\t\tb = bb[j];\n\t\t\telse\n\t\t\t\tb = 0;\n\t\t\tlink_(1 + i, 1 + n + a, 1, -b);\n\t\t}\n\t}\n\tfor (i = 0; i < n * 2; i++) {\n\t\ta = cc[i] - 'a';\n\t\tkk[a]++;\n\t}\n\tfor (a = 0; a < A; a++)\n\t\tlink_(1 + n + a, n_ - 1, kk[a], 0);\n\tprintf(\"%d\\n\", -edmonds_karp(0, n_ - 1));\n\treturn 0;\n}\n", "src_uid": "896555ddb6e1c268cd7b3b6b063fce50"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tlong long int i,j,k=0,n,m,s=0;\n\tlong long int fact[250001];\n\tfact[1]=1;fact[0]=1;\n\tscanf(\"%lld%lld\",&n,&m);\n\tfor(i=2;i<=250000;i++)\n\tfact[i]=(fact[i-1]*i)%m;\n\tfor(i=1;i<=n;i++)\n\t{\n\t\tk=k+(n-i+1)*(fact[i]*fact[n-i+1]%m);\n\t\tk=k%m;\n\t}\n\tprintf(\"%lld\",k);\n}", "src_uid": "020d5dae7157d937c3f58554c9b155f9"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdbool.h>\n\n#define SQR 1097\n#define MAX 1200000\n#define clr(ar) memset(ar, 0, sizeof(ar))\n#define read() freopen(\"lol.txt\", \"r\", stdin)\n#define chkbit(ar, i) (((ar[(i) >> 6]) & (1 << (((i) >> 1) & 31))))\n#define setbit(ar, i) (((ar[(i) >> 6]) |= (1 << (((i) >> 1) & 31))))\n#define isprime(x) (( (x) && ((x)&1) && (!chkbit(ar, (x)))) || ((x) == 2))\n\nchar str[12];\nlong long p, q;\nunsigned int ar[(MAX >> 6) + 5] = {0};\nint m = 0, counter[MAX] = {0}, P[12010];\n\nvoid Sieve(){\n    int i, j, k;\n    setbit(ar, 0), setbit(ar, 1);\n\n    for (i = 3; i < SQR; i++, i++){\n        if (!chkbit(ar, i)){\n            k = i << 1;\n            for (j = (i * i); j < MAX; j += k) setbit(ar, j);\n        }\n    }\n\n    k = 0, counter[2] = ++k;\n    for (i = 3; (i + 1) < MAX; i++, i++){\n        if (isprime(i)) k++;\n        counter[i] = counter[i + 1] = k;\n    }\n}\n\nvoid backtrack(int i, int j){\n    if (i > j){\n        int x = atoi(str);\n        if (x < MAX) P[m++] = x;\n        return;\n    }\n\n    int k;\n    for (k = 0; k < 10; k++){\n        if (!i && !k) continue;\n        str[i] = str[j] = k + 48;\n        backtrack(i + 1, j - 1);\n    }\n}\n\nvoid Generate(){\n    m = 0;\n    int i, j;\n    for (i = 1; i <= 7; i++){\n        str[i] = 0;\n        backtrack(0, i - 1);\n    }\n}\n\nbool Check(int n, int i){\n    long long x = q * counter[n];\n    long long y = p * (i + 1);\n    return (x <= y);\n}\n\nint main(){\n    Sieve();\n    Generate();\n    int n, i, j, low, high, mid, res;\n\n    while (scanf(\"%I64d %I64d\", &p, &q) != EOF){\n\n        res = -1;\n        for (i = m - 2; i >= 0; i--){\n            if (Check(P[i], i)){\n                low = P[i], high = P[i + 1] - 1;\n\n                while ((low + 1) < high){\n                    mid = (low + high) >> 1;\n                    if (Check(mid, i)) low = mid;\n                    else high = mid;\n                }\n\n                if (Check(high, i)) res = high;\n                else if (Check(low, i)) res = low;\n                if (res != -1) break;\n            }\n        }\n\n        if (res == -1) puts(\"Palindromic tree is better than splay tree\");\n        else printf(\"%d\\n\", res);\n    }\n    return 0;\n}", "src_uid": "e6e760164882b9e194a17663625be27d"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n, m, i, max = -1, count;\n    scanf(\"%d %d\", &n, &m);\n    int arr[n];\n\n    for(i=0; i<n; i++){\n        scanf(\"%d\", &arr[i]);\n        if(arr[i] > max)\n            max = arr[i];\n    }\n\n    if(max % m == 0)\n        count = max / m;\n    else\n        count = max / m + 1;\n\n    for(i=n-1; i>=0; i--){\n        if(arr[i] % m == 0){\n            if(arr[i] / m == count){\n                printf(\"%d\", i + 1);\n                return 0;\n            }\n        }\n        else{\n            if(arr[i] / m + 1 == count){\n                printf(\"%d\", i + 1);\n                return 0;\n            }\n        }\n    }\n    printf(\"%d\", n);\n\n\treturn 0;\n}\n", "src_uid": "c0ef1e4d7df360c5c1e52bc6f16ca87c"}
{"source_code": "#include <stdio.h>\n\ntypedef long long ll;\n\nll q[10000];\nshort b[10000];\n\nint count(int x, int y, int n)\n{\n    int f, r, ret;\n    f = r = ret = 0;\n    if (x != 0)\n    {\n        if (x <= n)\n        {\n            b[r] = 1;\n            q[r ++] = x;\n        }\n    }\n    if (y <= n)\n    {\n        b[r] = 1;\n        q[r ++] = y;\n    }\n    while (f < r)\n    {\n        if (b[f] == 0)\n        {\n            ret ++;\n        }\n        if (q[f] * 10 + x <= n)\n        {\n            b[r] = 0;\n            if (b[f] == 1 && q[f] % 10 == x)\n            {\n                b[r] = 1;\n            }\n            q[r ++] = q[f] * 10 + x;\n        }\n        if (q[f] * 10 + y <= n)\n        {\n            b[r] = 0;\n            if (b[f] == 1 && q[f] % 10 == y)\n            {\n                b[r] = 1;\n            }\n            q[r ++] = q[f] * 10 + y;\n        }\n        f ++;\n    }\n    return ret;\n}\n\nvoid solve(int n)\n{\n    int x, y, ans, ret;\n    ll t;\n    ans = 0;\n    for (x = 0; x <= 9; x ++)\n    {\n        for (y = x + 1; y <= 9; y ++)\n        {\n            ret = count(x, y, n);\n            ans += ret;\n        }\n    }\n    for (x = 1; x <= 9; x ++)\n    {\n        t = x;\n        while (t <= n)\n        {\n            ans ++;\n            t = t * 10 + x;\n        }\n    }\n    printf(\"%d\\n\", ans);\n}\n\nint main()\n{\n    int n;\n    while (scanf(\"%d\", &n) == 1)\n    {\n        solve(n);\n    }\n    return 0;\n}", "src_uid": "0f7f10557602c8c2f2eb80762709ffc4"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{  \n   int n,i,r=0,z;\n   long long out=0;\n   scanf(\"%d\",&n);\n   char str[n];\n   \n   \n\n   scanf(\"%s\",str);\n   \nfor(i=0;i<n;i++)\n{\n    if(str[i]=='B')\n    {\n        out+=pow(2,i);\n    }\n}\n    \n    printf(\"%I64d\",out);\n    \n    \n    \n    \n    return 0;\n    \n}", "src_uid": "d86a1b5bf9fe9a985f7b030fedd29d58"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n#include <string.h>\n#include <ctype.h>\n#include <stdlib.h>\n#include <time.h>\n\nint main(void) {\n\tint x, y, z, t1, t2, t3;\n\tint jedno;\n\tint drugo;\n\tscanf(\"%d%d%d%d%d%d\", &x, &y, &z, &t1, &t2, &t3);\n\tjedno = abs(x - y)*t1;\n\tif (z == x) {\n\t\tdrugo = 2 * t3 + abs(x - y)*t2 + t3;\n\t}\n\telse {\n\t\tdrugo = abs(x - z)*t2 + 2 * t3 + abs(x - y)*t2 + t3;\n\t}\n\tif (jedno < drugo) printf(\"NO\");\n\telse printf(\"YES\");\n\treturn 0;\n}", "src_uid": "05cffd59b28b9e026ca3203718b2e6ca"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n;\n    scanf(\"%d\\n\",&n);\n    char str[n];\n    scanf(\"%s\",str);\n    int ctr=0;\n    for(int i=0;i<n-2;i++)\n    {\n        if(str[i]=='x'){\n            while(i<n-2 && str[i+1]=='x' && str[i+2]=='x'){\n                ctr++;\n                for(int j=i+2;j<n-1;j++)\n                {\n                    str[j]=str[j+1];\n                }\n                n-=1;\n            }        \n        }\n    }\n    if(ctr==0)\n    printf(\"0\");\n    else{\n    printf(\"%d\",ctr);}\n    return 0;\n}", "src_uid": "8de14db41d0acee116bd5d8079cb2b02"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n,i,j,k,p=0,a,b=0,c=0;\n    char s[51];\n    scanf(\"%d\",&n);\n    scanf(\"%s\",s);\n    \n    for(i=0;i<n;i++)\n    {\n        if(s[i]=='4'||s[i]=='7')\n        {\n            p=p+1;\n        }\n    }\n   for(i=0;i<n/2;i++)\n    {\n      b=b+s[i];\n    } \n    for(i=n/2;i<n;i++)\n    {\n      c=c+s[i];\n    } \n\n    if(p==n&&b==c)\n    {\n        printf(\"YES\");\n    }\n    else \n    printf(\"NO\");\n    return 0;\n}\n", "src_uid": "435b6d48f99d90caab828049a2c9e2a7"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\tint n;\n\tscanf(\"%d\",&n);\n\tint i,a[n];\n\tfor(i=0;i<n;i++)\n\t\tscanf(\"%d\",&a[i]);\n\tint seg[n];\n\tfor(i=0;i<n;i++)\n\t\tseg[i] = 1;\n\twhile(a[n-1]!=1)\n\t\tn--;\n\ti = 0;\n\twhile(a[i]!=1)\n\t\ti++;\n\tint cnt =0;\n\tfor(;i<n;i++)\n\t{\n\t\tif(a[i]==1 && i!=n-1)\n\t\t{\n\n\t\t\tint temp = 0;\n\t\t\twhile(a[i+1]==0)\n\t\t\t{\n\t\t\t\ttemp++;\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tif(temp)\n\t\t\t\ttemp +=1;\n\t\t\telse\n\t\t\t\ttemp = 1;\n\t\t\tseg[cnt++] = temp;\n\t\t}\n\t}\n\tlong long int ans = 1;\n\tfor(i=0;i<n;i++)\n\t\tans*=seg[i];\n\n\tint flag =0;\n\tfor(i=0;i<n;i++)\n\t\tif(a[i]==1)\n\t\t\tflag = 1;\n\tif(flag==0)\n\t\tprintf(\"%d\",0);\n\telse\n\t\tprintf(\"%lld\",ans);\n\n\treturn 0;\n}", "src_uid": "58242665476f1c4fa723848ff0ecda98"}
{"source_code": "#include <stdio.h>\nint main(){\n\tint n,x,y,sum,i,j;\n\tscanf(\"%d%d%d\",&n,&x,&y);\n\tint a[100000]={0};\n\tfor(i=0;i<n;i++){\n\t\tscanf(\"%d\",&a[i]);\n\t}\n\ti=0;\n\tj=n-1;\n\tsum=0;\n\tif(n>1){\n\t\twhile(i<j){\n\t\t\tif(a[i]!=a[j]){\n\t\t\t\tif(a[i]==2){\n\t\t\t\t\ta[i]=a[j];\n\t\t\t\t\tif(a[j]==1){\n\t\t\t\t\t\tsum+=y;\n\t\t\t\t\t}\n\t\t\t\t\telse{\n\t\t\t\t\t\tsum+=x;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if(a[j]==2){\n\t\t\t\t\ta[j]=a[i];\n\t\t\t\t\tif(a[i]==1){\n\t\t\t\t\t\tsum+=y;\n\t\t\t\t\t}\n\t\t\t\t\telse{\n\t\t\t\t\t\tsum+=x;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse{\n\t\t\t\t\tprintf(\"-1\\n\");\n\t\t\t\t\treturn 0;\n\t\t\t\t}\n\t\t\t}\n\t\t\telse if(a[i]==a[j] && a[i]==2){\n\t\t\t\tif(x>y){\n\t\t\t\t\tsum+=(2*y);\n\t\t\t\t}\n\t\t\t\telse{\n\t\t\t\t\tsum+=(2*x);\n\t\t\t\t}\n\t\t\t}\n\t\t\ti++;\n\t\t\tj--;\n\t\t\tif(i==j && a[i]==2){\n\t\t\t\tif(x>y){\n\t\t\t\t\tsum+=y;\n\t\t\t\t}\n\t\t\t\telse{\n\t\t\t\t\tsum+=x;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\telse if(a[i]==2){\n\t\tif(x>y)\n\t\t\tsum=y;\n\t\telse{\n\t\t\tsum=x;\n\t\t}\t\n\t}\n\tprintf(\"%d\\n\",sum);\n\treturn 0;\n}", "src_uid": "af07223819aeb5bd6ded4340c472b2b6"}
{"source_code": "#include<stdio.h>\nint arr[101],no[101],l[100];\nint main()\n{\n\tint n,m,source,desti,temp,flag,k,i;\n\tscanf(\"%d %d\",&n,&m);\n\tfor(i=0;i<m;i++)\n\tscanf(\"%d\",&l[i]);\n\tfor(i=0;i<=n;i++)\n\t{\n\t\tarr[i]=0;\n\t\tno[i]=0;\n\t}\n\tflag=0;\n\tfor(i=0;i<(m-1);i++)\n\t{\n\t\tsource=l[i];\n\t\tdesti=l[i+1];\n\t\tif(desti<=source)\n\t\tdesti=desti+n;\n\t\ttemp=desti-source;\n\t\tif(arr[l[i]]==0)\n\t\t{\n\t\t\tif(no[temp]==1)\n\t\t\t{\n\t\t\t\tflag=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tarr[l[i]]=temp;\n\t\t\t\tno[temp]=1;\n\t\t\t}\n\t\t}\n\t\telse if(arr[l[i]]==temp);\n\t\telse\n\t\t{\n\t\t\tflag=1;\n\t\t\tbreak;\n\t\t}\n\t}\n\tk=1;\n\tif(flag==1)\n\tprintf(\"-1\");\n\telse\n\t{\n\t\tfor(i=1;i<=n;i++)\n\t\t{\n\t\t\tif(arr[i]==0)\n\t\t\t{\n\t\t\t\twhile(no[k]==1)\n\t\t\t\tk++;\n\t\t\t\tarr[i]=k;\n\t\t\t\tno[k]=1;\n\t\t\t\tk++;\n\t\t\t}\n\t\t}\n\t\tfor(i=1;i<=n;i++)\n\t\tprintf(\"%d \",arr[i]);\n\t}\n\treturn 0;\n}\n", "src_uid": "4a7c959ca279d0a9bd9bbf0ce88cf72b"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#define MAX_NUM 1000000\n// array will be initialized to 0 being global\nint search;\nint main()\n{\n\tint t,i,w,l,k,c,cout,x,first,last,y,q,f,b,d,s,count=0,prime,min,p,m;\n\t//scanf(\"%d\",&t);\n\t//for(i=0;i<t;i++)\n\t{\tc=0;\n\t\tscanf(\"%d %d %d\",&x,&y,&k);\n\t\tint p=2,i,b,initial;\n\t\tint j=0,primes[1000001]={0};\n\t\tfor (p=2; p<=y; p++) // for all elements in array\n\t\t{\n\t\t\tif(primes[p] == 0) // it is not multiple of any other prime\n\t\t\t{primes[p] = 1;\n\t\t\t\t//printf(\"%d\\n\",p);\n\t\t\t\tj++;// mark it as prime\n\t\t\t}\n\t\t\t// mark all multiples of prime selected above as non primes\n\t\t\tint c=2;\n\t\t\tint mul = p * c;\n\t\t\tfor(; mul <=y;)\n\t\t\t{\n\t\t\t\tprimes[mul] = -1; \n\t\t\t\tc++;\n\t\t\t\tmul = p*c;\n\t\t\t}\n\t\t}\n\t\tfor(i=2;i<=y;i++)\n\t\t{if(primes[i]==-1)\n\t\t\t{primes[i]=0;}\n\t\t\tprimes[i]=primes[i]+primes[i-1];\n\t\t\t//printf(\"%d\\n\",primes[i]);\n\t\t}\n\t\tprimes[0]=0;\n\t\tprimes[1]=0;\n\t\tmin=y-x+2;\n\t\tfirst=1;\n\t\tlast=y-x+1;\n\t\tcout=-1;\n\t\td=0;\n\t\tif(primes[y]-primes[x-1]<k)\n\t\t{printf(\"-1\\n\");\n\t\t\td=1;}\n\t\twhile(first<=last)\n\t\t{\n\t\t\tl=(first+last)/2;\n\t\t\tprime=0;\n\t\t\tfor(q=x;q<=y-l+1;q++)\n\t\t\t{prime=0;\n\t\t\t\tm=0;\n\t\t\t\tif(primes[q+l-1]-primes[q-1]<k)\n\t\t\t\t{m=1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(m==1)\n\t\t\t{first=l+1;\t//printf(\"min -1\\n\");\n\t\t\t}\n\t\t\telse\n\t\t\t{last=l-1;\n\t\t\t\tcout=l;}\n\t\t}\n\t\tif(d!=1)\n\t\t\tprintf(\"%d\\n\",cout);\n\t}\n\treturn 0;\n}\n", "src_uid": "3e1751a2990134f2132d743afe02a10e"}
{"source_code": "#include <stdio.h>\r\n#include <stdlib.h>\r\n#include <string.h>\r\n\r\n#define N\t15\r\n#define K\t200000\r\n#define L\t19\t/* L = ceil(log2(K * 2 + 1)) */\r\n#define N_\t(1 << L)\r\n#define MD\t998244353\r\n\r\nlong long power(long long a, int k) {\r\n\tlong long p = 1;\r\n\r\n\twhile (k) {\r\n\t\tif (k & 1)\r\n\t\t\tp = p * a % MD;\r\n\t\ta = a * a % MD;\r\n\t\tk >>= 1;\r\n\t}\r\n\treturn p;\r\n}\r\n\r\nint vv_[L + 1], *wwu[L + 1], *wwv[L + 1];\r\n\r\nvoid init() {\r\n\tint i, l, u, v;\r\n\r\n\tu = power(3, MD - 1 >> L), v = power(u, MD - 2);\r\n\tfor (l = L; l > 0; l--) {\r\n\t\tint n = 1 << l, m = n >> 1;\r\n\r\n\t\tvv_[l] = power(1 << l, MD - 2);\r\n\t\twwu[l] = (int *) malloc(m * sizeof *wwu[l]);\r\n\t\twwv[l] = (int *) malloc(m * sizeof *wwv[l]);\r\n\t\twwu[l][0] = wwv[l][0] = 1;\r\n\t\tfor (i = 1; i < m; i++) {\r\n\t\t\twwu[l][i] = (long long) wwu[l][i - 1] * u % MD;\r\n\t\t\twwv[l][i] = (long long) wwv[l][i - 1] * v % MD;\r\n\t\t}\r\n\t\tu = (long long) u * u % MD;\r\n\t\tv = (long long) v * v % MD;\r\n\t}\r\n\tvv_[0] = 1;\r\n}\r\n\r\nvoid ntt_(int *aa, int l, int inverse) {\r\n\tif (l) {\r\n\t\tint n = 1 << l, m = n >> 1, *ww = inverse ? wwv[l] : wwu[l], i, j;\r\n\r\n\t\tntt_(aa, l - 1, inverse), ntt_(aa + m, l - 1, inverse);\r\n\t\tfor (i = 0; (j = i + m) < n; i++) {\r\n\t\t\tint a = aa[i], b = (long long) aa[j] * ww[i] % MD;\r\n\r\n\t\t\tif ((aa[i] = a + b) >= MD)\r\n\t\t\t\taa[i] -= MD;\r\n\t\t\tif ((aa[j] = a - b) < 0)\r\n\t\t\t\taa[j] += MD;\r\n\t\t}\r\n\t}\r\n}\r\n\r\nvoid ntt(int *aa, int l, int inverse) {\r\n\tint n = 1 << l, i, j;\r\n\r\n\tfor (i = 0, j = 1; j < n; j++) {\r\n\t\tint b = n >> 1, tmp;\r\n\r\n\t\twhile ((i ^= b) < b)\r\n\t\t\tb >>= 1;\r\n\t\tif (i < j)\r\n\t\t\ttmp = aa[i], aa[i] = aa[j], aa[j] = tmp;\r\n\t}\r\n\tntt_(aa, l, inverse);\r\n}\r\n\r\nvoid multiply(int *aa, int *bb, int *cc, int n, int m) {\r\n\tstatic int aa_[N_], bb_[N_];\r\n\tint n_, l, i;\r\n\r\n\tl = 0;\r\n\twhile (1 << l < n + m - 1)\r\n\t\tl++;\r\n\tn_ = 1 << l;\r\n\tfor (i = 0; i < n_; i++) {\r\n\t\taa_[i] = i < n ? aa[i] : 0;\r\n\t\tbb_[i] = i < m ? bb[i] : 0;\r\n\t}\r\n\tntt(aa_, l, 0);\r\n\tntt(bb_, l, 0);\r\n\tfor (i = 0; i < n_; i++)\r\n\t\taa_[i] = (long long) aa_[i] * bb_[i] % MD;\r\n\tntt(aa_, l, 1);\r\n\tfor (i = 0; i < n + m - 1; i++)\r\n\t\tcc[i] = (long long) aa_[i] * vv_[l] % MD;\r\n}\r\n\r\nint main() {\r\n\tstatic int dp[N][K + 1], dq[K * 2 + 1];\r\n\tint n, c_, k, i, c, x;\r\n\r\n\tinit();\r\n\tscanf(\"%d%d%d\", &n, &k, &c_);\r\n\tfor (c = 0; c <= k; c++)\r\n\t\tdp[0][c] = 1;\r\n\tfor (i = 0; i < n; i++) {\r\n\t\tmultiply(dp[i], dp[i], dq, k + 1, k + 1);\r\n\t\tif (i + 1 == n)\r\n\t\t\tprintf(\"%d\\n\", dq[c_]);\r\n\t\telse {\r\n\t\t\tx = 0;\r\n\t\t\tfor (c = k + 1; c <= k * 2; c++)\r\n\t\t\t\tx = (x + dq[c]) % MD;\r\n\t\t\tfor (c = k; c >= 0; c--) {\r\n\t\t\t\tx = (x + dq[c]) % MD;\r\n\t\t\t\tdp[i + 1][c] = (x + (long long) dq[c] * (k - c)) % MD;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\treturn 0;\r\n}", "src_uid": "4b8161259545e44c7d1046be2e4fe014"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint cmp_perm(const void *a, const void *b)\n{\n    return *((int *)a) - *((int *)b);\n}\n\nint next_permutation(int a[], int n)\n{\n    int m = a[n - 1], p = 1, i, j;\n    int b[20];\n\n    b[0] = m;\n\n    for (i = n - 2; i >= 0; i--) {\n\tif (m > a[i]) {\n\t    qsort(b, p, sizeof(int), cmp_perm);\n\n\t    for (j = 0; ; j++) {\n\t\tif (b[j] > a[i]) {\n\t\t    m = a[i];\n\t\t    a[i++] = b[j];\n\t\t    b[j] = m;\n\n\t\t    break;\n\t\t}\n\t    }\n\n\t    for (p = 0; i < n; i++) {\n\t\ta[i] = b[p++];\n\t    }\n\n\t    return 1;\n\t} else {\n\t    b[p++] = a[i];\n\n\t    if (a[i] > m) m = a[i];\n\t}\n    }\n\n    return 0;\n}\n\nint main()\n{\n     int r1, r2, c1, c2, d1, d2;\n     int a[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};\n\n     scanf(\"%d %d\", &r1, &r2);\n     scanf(\"%d %d\", &c1, &c2);\n     scanf(\"%d %d\", &d1, &d2);\n\n     do {\n\t  if (a[0] + a[1] != r1) continue;\n\t  if (a[2] + a[3] != r2) continue;\n\t  if (a[0] + a[2] != c1) continue;\n\t  if (a[1] + a[3] != c2) continue;\n\t  if (a[0] + a[3] != d1) continue;\n\t  if (a[1] + a[2] != d2) continue;\n\n\t  printf(\"%d %d\\n\", a[0], a[1]);\n\t  printf(\"%d %d\\n\", a[2], a[3]);\n\n\t  return 0;\n     } while (next_permutation(a, 9));\n\n     puts(\"-1\");\n\n     return 0;\n}\n", "src_uid": "6821f502f5b6ec95c505e5dd8f3cd5d3"}
{"source_code": "/* upsolve using zigzag */\n/* https://codeforces.com/blog/entry/73563 */\n#include <stdio.h>\n#include <string.h>\n\n#define N\t1024\n\nint query(int i) {\n\tif (i == -1) {\n\t\tprintf(\"R\\n\"), fflush(stdout);\n\t\treturn 0;\n\t} else {\n\t\tstatic char s[2];\n\n\t\tprintf(\"? %d\\n\", i + 1), fflush(stdout);\n\t\tscanf(\"%s\", s);\n\t\treturn s[0] == 'N';\n\t}\n}\n\nint main() {\n\tstatic char alive[N];\n\tint n, k, m, g, h, i, ans;\n\n\tscanf(\"%d%d\", &n, &k), m = n / k;\n\tmemset(alive, 1, n * sizeof *alive);\n\tfor (g = 0; g < m; g++) {\n\t\tquery(-1);\n\t\tfor (h = 0; h < m; h++) {\n\t\t\tint g_ = (g + (h % 2 == 0 ? h / 2 : m - (h + 1) / 2)) % m, l = g_ * k, r = (g_ + 1) * k;\n\n\t\t\tfor (i = l; i < r; i++)\n\t\t\t\tif (alive[i] && !query(i))\n\t\t\t\t\talive[i] = 0;\n\t\t}\n\t}\n\tans = 0;\n\tfor (i = 0; i < n; i++)\n\t\tif (alive[i])\n\t\t\tans++;\n\tprintf(\"! %d\\n\", ans), fflush(stdout);\n\treturn 0;\n}\n", "src_uid": "11ad68b4375456733526e74e72606d8d"}
{"source_code": "#include <stdio.h>\n\nint f(int x,int n,int a[n]){\n    int res=0;\n    for (int i=0;i<n;i++){\n        if (i+1<=x){\n            res+=(a[i]*2*(x-1));\n        }\n        else res+=(a[i]*2*i);\n    }\n    return 2*res;\n}\n\n\nint main() {\n\tint n,final=0;\n\tscanf(\"%d\\n\",&n);\n\tint a[n];\n\tfor (int i=0;i<n;i++)\n\t    scanf(\"%d\",&a[i]);\n\t    \n\tint res=f(1,n,a);\n\tfor (int j=1;j<=n;j++){\n\t    if (f(j,n,a)<res){\n\t        final=j;\n\t        res=f(j,n,a);\n\t    }\n\t}\n\tprintf(\"%d\",f(final,n,a));\n\t\n\treturn 0;\n}\n", "src_uid": "a5002ddf9e792cb4b4685e630f1e1b8f"}
{"source_code": "#include<stdio.h>\n#include\"string.h\"\nint main()\n{\n    char string [100];\n    scanf(\"%s\",string);\n    int counter_of_number=0;\n    int length=strlen(string);\n    for(int i=0;i<length;i++)\n    {\n        if(string[i]=='Q')\n            for(int j=i+1;j<length;j++)\n            \n                if(string[j]=='A')\n                \n                    for(int m=j+1;m<length;m++)\n                    \n                        if(string[m]=='Q')\n\t\t\t\t\t\t\n                        counter_of_number++;\n    }\n    printf(\"%d\",counter_of_number);\nreturn 0;\n}\n", "src_uid": "8aef4947322438664bd8610632fe0947"}
{"source_code": "#include <stdio.h>\n \n#define MD\t1000000007\n \nlong long power(int a, int k) {\n\tlong long p;\n \n\tif (k == 0)\n\t\treturn 1;\n\tp = power(a, k / 2);\n\tp = p * p % MD;\n\tif (k % 2)\n\t\tp = p * a % MD;\n\treturn p;\n}\n \nint main() {\n\tint n, m;\n \n\tscanf(\"%d%d\", &n, &m);\n\tprintf(\"%lld\\n\", power(power(2, m) - 1, n));\n\treturn 0;\n}", "src_uid": "71029e5bf085b0f5f39d1835eb801891"}
{"source_code": "//       In the name of         ˜”*°•.˜”*°•                      God                     •°*”˜.•°*”˜\n \n/*  \n \n            JadedBeast                                             ~~Morocco~~\n \n*/\n#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n#include <stdbool.h>\n#define N 100001\n\nint main(void){ \n    bool *sieve=(bool *)malloc(N*sizeof(bool));\n    sieve[0]=false,sieve[1]=false;\n    for(int i=2;i<N;i++){\n    sieve[i]=true;\n        }\n    for(int i=2;i<=N/2;i++){\n        for(int j=2*i;j<N;j+=i){\n            sieve[j]=false;\n        }\n    }\n    long long *primes=(long long *)malloc(N*sizeof(long long));\n    int counter=0;\n    for(int i=2;i<N;i++){\n        if(sieve[i]){\n            primes[counter]=i;\n            counter++;\n        }\n    }\n    long long n,result=0;\n    scanf(\"%I64d\",&n);\n    while(n>0){\n    for(int i=0;i<counter;i++){\n         if(n%primes[i]==0){\n            result++;\n            n=n-primes[i];\n            if(n%2==0){\n                result+=n/2;\n                n=n%2;\n                }\n            break;\n            }\n        else if(i==counter-1 && result==0){\n            result=1;\n            n=0;\n            break;\n            }\n        }\n    }\n   printf(\"%I64d\\n\",result);\n    return 0;\n}", "src_uid": "a1e80ddd97026835a84f91bac8eb21e6"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#define  mod 1000000007\nint main()\n{\n\tlong long int n,x,y,l,result;\n\tscanf(\"%lld %lld\",&x,&y);\n\tscanf(\"%lld\",&n);\n\tif (n%6==0){\n\t\tresult=(x-y)%mod;\n\t}\n\tif (n%6==1){\n\t\tresult=x%mod;\n\t}\n\tif (n%6==2){\n\t\tresult=y%mod;\n\t}\n\tif (n%6==3){\n\t\tresult=(y-x)%mod;\n\t}\n\tif (n%6==4){\n\t\tresult=(-x)%mod;\n\t}\n\tif (n%6==5){\n\t\tresult=(-y)%mod;\n\t}\n\tif (result>=0){\n\t\tprintf(\"%lld\\n\",result);\n\t}\n\telse {\n\t\tl=abs(result);\n\t\tprintf(\"%lld\\n\",mod-l);\n\t}\n\t\t\n\treturn 0;\n}", "src_uid": "2ff85140e3f19c90e587ce459d64338b"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n\nint main()\n{\n    int n,m,i,b,max,max_i,temp,j,sum=0;\n    scanf(\"%d%d\",&n,&m);\n    int a[m][2];\n    for(i=0;i<m;i++)\n    {\n        for(j=0;j<2;j++)\n            scanf(\"%d\",&a[i][j]);\n    }\n    for(i=0;i<m;i++)\n    {\n        max=-1;\n        b=0;\n        max_i=i;\n        for(j=i;j<m;j++)\n        {\n            if(a[j][1]>max)\n            {\n                max=a[j][1];\n                max_i=j;\n                b=1;\n            }\n        }\n        temp=a[i][1];\n        a[i][1]=a[max_i][1];\n        a[max_i][1]=temp;\n        temp=a[i][0];\n        a[i][0]=a[max_i][0];\n        a[max_i][0]=temp;\n    }\n    i=0;\n    while(1)\n    {\n        if(n>a[i][0])\n        {\n            sum+=((a[i][0])*(a[i][1]));\n            n-=a[i][0];\n        }\n        else\n        {\n            sum+=n*(a[i][1]);\n            n=0;\n        }\n        i+=1;\n        if(i>=m || n==0)\n            break;\n    }\n    printf(\"%d\",sum);\n}\n\n", "src_uid": "c052d85e402691b05e494b5283d62679"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\n#define PI acos(-1)\n#define eqs 0.01\ndouble gcd(double a,double b)\n{\nreturn a < eqs ? b : gcd(fmod(b,a),a);\n}\nint main()\n{\ndouble x1 , y1 , x2 , y2 , x3 , y3 ;\ndouble a , b , c , p , s , r , k ;\ndouble A , B , C ;\nscanf(\"%lf %lf %lf %lf %lf %lf\", &x1, &y1, &x2, &y2, &x3, &y3) ;\na = sqrt( (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2) ) ;\nb = sqrt( (x2-x3)*(x2-x3) + (y2-y3)*(y2-y3) ) ;\nc = sqrt( (x1-x3)*(x1-x3) + (y1-y3)*(y1-y3) ) ;\np = ( a + b + c ) / 2.0 ;\ns = sqrt( p * (p-a) * (p-b) * (p-c) ) ;\nr = a * b * c / ( 4 * s ) ;\nif( a > c )\n{\nk = a ; a = c ; c = k ;\n}\nif( b > c )\n{\nk = b ; b = c ; c = k ;\n}\nA = 2 * asin(a/(2*r)) ;\nB = 2 * asin(b/(2*r)) ;\nC = 2 * PI - A - B ;\n//printf(\"%lf %lf %lf\\n\", A, B, C) ;\np = gcd(A,B);\np = gcd(p,C) ;\n//printf(\"%lf %lf\\n\", r, p) ;\nprintf(\"%.6lf\\n\", (PI*r*r*sin(p))/p ) ;\nreturn 0;\n}\n", "src_uid": "980f4094b3cfc647d6f74e840b1bfb62"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n\n#define M\t4167669\t/* (23 choose 7) * 17 */\n#define C\t16\n#define K\t2000000000\n#define T\t7\n\nvoid print(int k) {\n\tif (k == 0)\n\t\treturn;\n\tprint(k / C);\n\tprintf(\"%c\", k % C < 10 ? k % C + '0' : k % C - 10 + 'a');\n}\n\nint add(int a, int b) { return (long long) a + b < K ? a + b : K; }\n\nint choose[C + T][C + T];\n\nvoid init() {\n\tint n, r;\n\n\tchoose[0][0] = 1;\n\tfor (n = 1; n < C + T; n++) {\n\t\tchoose[n][0] = 1;\n\t\tfor (r = 1; r <= n; r++)\n\t\t\tchoose[n][r] = choose[n - 1][r - 1] + choose[n - 1][r];\n\t}\n}\n\nint dp[M], m;\n\nvoid branch(int *aa, int h) {\n\tint a, len, j;\n\n\tif (h == C) {\n\t\tfor (len = 0; len <= C; len++) {\n\t\t\tif (len == 0)\n\t\t\t\tdp[m] = 1;\n\t\t\telse\n\t\t\t\tfor (h = 0; h < C; h++) {\n\t\t\t\t\tif (aa[h] == 0)\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\tif (h == 0 || aa[h - 1] != aa[h]) {\n\t\t\t\t\t\ta = aa[h] - 1;\n\t\t\t\t\t\tj = m / (C + 1) - choose[C - h - 1 + T - a][T - a];\n\t\t\t\t\t\tif (h < C - 1)\n\t\t\t\t\t\t\tj += choose[C - h - 2 + T - a][T - a];\n\t\t\t\t\t\tj = j * (C + 1) + len - 1;\n\t\t\t\t\t}\n\t\t\t\t\tdp[m] = add(dp[m], dp[j]);\n\t\t\t\t}\n\t\t\tm++;\n\t\t}\n\t\treturn;\n\t}\n\tfor (a = h == 0 ? 0 : aa[h - 1]; a <= T; a++) {\n\t\taa[h] = a;\n\t\tbranch(aa, h + 1);\n\t}\n}\n\nint idx(int *aa, int len) {\n\tint h, a, sum;\n\n\tsum = 0;\n\tfor (h = 0; h < C; h++)\n\t\tfor (a = h == 0 ? 0 : aa[h - 1]; a < aa[h]; a++)\n\t\t\tsum += choose[C - h - 1 + T - a][T - a];\n\treturn sum * (C + 1) + len;\n}\n\nint compare(const void *a, const void *b) {\n\tint ia = *(int *) a;\n\tint ib = *(int *) b;\n\n\treturn ia - ib;\n}\n\nint main() {\n\tstatic int aa[C], bb[C];\n\tint k, t, h, i, len, first;\n\n\tscanf(\"%d%d\", &k, &t);\n\tif (t >= 8) {\n\t\tprint(k);\n\t\tprintf(\"\\n\");\n\t\treturn 0;\n\t}\n\tinit();\n\tbranch(aa, 0);\n\tfor (h = 0; h < C; h++)\n\t\taa[h] = t;\n\tfor (len = 1; ; len++) {\n\t\tint cnt = dp[idx(aa, len)];\n\n\t\taa[0]--; cnt -= dp[idx(aa, len - 1)]; aa[0]++;\n\t\tif (k <= cnt)\n\t\t\tbreak;\n\t\tk -= cnt;\n\t}\n\tfirst = 1;\n\twhile (len-- > 0) {\n\t\tfor (h = first ? 1 : 0; h < C; h++) {\n\t\t\tmemcpy(bb, aa, C * sizeof *aa);\n\t\t\tif (bb[h] == 0)\n\t\t\t\tcontinue;\n\t\t\tbb[h]--;\n\t\t\tqsort(bb, C, sizeof *bb, compare);\n\t\t\tif (k > dp[i = idx(bb, len)]) {\n\t\t\t\tk -= dp[i];\n\t\t\t\tbb[h]++;\n\t\t\t} else {\n\t\t\t\tprintf(\"%c\", h < 10 ? h + '0' : h - 10 + 'a');\n\t\t\t\taa[h]--;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tfirst = 0;\n\t}\n\tprintf(\"\\n\");\n\treturn 0;\n}\n", "src_uid": "cbfc354cfa392cd021d9fe899a745f0e"}
{"source_code": "#include <stdio.h>\nint main(int argc,char** argv){\n    int a,b,c,d;\n    int delta;\n    float q;\n    scanf(\"%d %d %d %d\",&a,&b,&c,&d);\n    delta = b -a;\n    if( (c-b) == delta && (d - c) == delta)\n    {\n        printf(\"%d\\n\",d+delta);\n    }\n    else\n    {\n        q = b/(float)a;\n        if(q!= 0 && q!=1 && c/(float)b == q && d/(float)c == q){\n            a = (int)((float)d*q*10) ;\n            b = ((int)(d *q)) *10;\n            if(a == b)\n                printf(\"%d\\n\",(int)((float)d*q));\n            else\n                printf(\"42\\n\");\n        }else{\n            printf(\"42\\n\");\n        }\n    }\n    return 0;\n}\n", "src_uid": "68a9508d49fec672f9c61766d6051047"}
{"source_code": "#include<stdio.h>\nint main(){\n    \n    long long a,b,n,m,k;\n    scanf(\"%I64d %I64d %I64d\",&n,&m,&k);\n    if(k<n)printf(\"%d 1\",k+1);\n    else \n    {a = (k-n)/(m-1); \n    b = (k-n)%(m-1); \n    if(a%2==0){printf(\"%I64d %I64d\",n-a,b+2);}\n    else printf(\"%I64d %I64d\",n-a,m-b);\n        \n    }\n    \n    return 0;\n    \n}", "src_uid": "e88bb7621c7124c54e75109a00f96301"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int n, x, y, min, max, i = 0;\n\n    scanf(\"%d%d%d\", &n, &x, &y);\n\n    max = x > y ? x : y;\n    min = x < y ? x : y;\n\n    for(i = 0; ; i++) {\n        if(!(n % min)) break;\n        n -= max;\n        if(n < 0) break;\n    }\n\n    if(n < 0) printf(\"NO\");\n    else {\n        if(x > y) printf(\"YES\\n%d %d\", i, n / min);\n        else printf(\"YES\\n%d %d\", n / min, i);\n    }\n\n    return 0;\n}\n", "src_uid": "b031daf3b980e03218167f40f39e7b01"}
{"source_code": "#include<stdio.h>\nint a[1000];\nint isprime(int k)\n{\n    int j;\n    for(j=2;j<=k/2;j++)\n        {\n            if(k%j==0)\n            return 0;\n        }\n        return 1;\n}\n\n    \nint main()\n{\n    int i,j,k,l=0,m,n,t=0;\n    scanf(\"%d%d\",&n,&k);\n    if(k==0)\n    {\n        printf(\"YES\");\n        return 0;\n    }\n    for(i=2;i<=n;i++)\n    {\n                if(isprime(i)==1)\n                {\n                a[l]=i;\n                \n                l++;\n                }\n    }\n    for(i=0;i<l-1;i++)\n    {\n        m=a[i]+a[i+1]+1;\n    \n        for(j=i+2;j<l;j++)\n        {\n            if(m==a[j])\n            {\n                t=t+1;\n                if(t==k)\n                {\n                    printf(\"YES\");\n                break;\n                }\n            }\n        }\n        if(t==k)\n        break;\n    }\n    if(t<k)\n    printf(\"NO\");\n    return 0;\n}", "src_uid": "afd2b818ed3e2a931da9d682f6ad660d"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define MOD 1000000007\n\nint main()\n{\n    int i, j;\n    int n, k, d;\n    int dp[105];\n    int tt[105];\n    memset(dp, 0, sizeof(dp));\n    memset(tt, 0, sizeof(tt));\n    scanf(\"%d%d%d\", &n, &k, &d);\n    for ( tt[0] = 1, i = 1; i < 105; i++ )\n    {\n        tt[i] = 0;\n        for ( j = 1; j <= i && j <= k; j++ )\n            tt[i] = (tt[i]+tt[i-j])%MOD;\n    }\n    for ( i = d; i <= n; i++ )\n    {\n        for ( j = 1; j < d; j++ )\n            dp[i] = (dp[i]+dp[i-j])%MOD;\n        for ( j = d; j <= k && j <= i; j++ )\n            dp[i] = (dp[i]+tt[i-j])%MOD;\n    }\n    printf(\"%d\\n\", dp[n]);\n    return 0;\n}\n", "src_uid": "894a58c9bba5eba11b843c5c5ca0025d"}
{"source_code": "#include <stdio.h>\n\ntypedef unsigned long long int ll;\n\nll gcd(ll a,ll b)\n{\n    if(b==0)\n        return a;\n    return gcd(b,a%b);\n}\n\nint main()\n{\n    ll t,a,b,min,c,q,x,n,l,r;\n    scanf(\"%llu %llu %llu\",&t,&a,&b);\n    if(a==b)\n    {\n        printf(\"1/1\\n\");\n        return 0;\n    }\n    if(b<a)\n        min=b;\n    else\n        min=a;\n    if(t>min)\n    {\n        c=0;\n        q=(t/a)*gcd(a,b);\n        q=q/b;\n            c=c+min-1;\n        n=(q*a*(b/gcd(a,b)));\n        if((t-n)<=(min-1))\n        {\n            if(q>=1)\n                c=c+(q-1)*min+t-n+1;\n            else\n                c=c+t-n+1;\n        }\n        else\n        {\n            c=c+(q)*min;\n        }\n    }\n    else\n    {\n        if(t==min)\n            c=min-1;\n        else\n        {\n            c=t;\n        }\n    }\n    r=gcd(c,t);\n    printf(\"%llu/%llu\\n\",(c/r),(t/r));\n    return 0;\n}\n\n", "src_uid": "7a1d8ca25bce0073c4eb5297b94501b5"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,k,x,arr[105],sum=0,i;\n    scanf(\"%d%d%d\",&n,&k,&x);\n    for (i=0;i<n;i++)\n    {\n        scanf(\"%d\",&arr[i]);\n\n    }\n    for (i=0;i<(n-k);i++)\n    {\n        sum+=arr[i];\n    }\n    sum=sum+ (k*x);\n    printf(\"%d\",sum);\n\n}\n", "src_uid": "92a233f8d9c73d9f33e4e6116b7d0a96"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{   int x,b,s;\n    s=0;\n    b=0;\n    while(~scanf(\"%d\",&x))\n    {b=x/5;\n    s=b;\n    if(x%5!=0)\n    s=s+1;\n    printf(\"%d\\n\",s);\n    }\n    return 0;\n}\n\n \t\t\t   \t \t \t  \t \t   \t    \t  \t", "src_uid": "4b3d65b1b593829e92c852be213922b6"}
{"source_code": "#include <stdio.h>\n#define cj(x1,y1,x2,y2) (1LL*(x1)*(y2)-1LL*(x2)*(y1))\n\nstruct case1\n{\n   int x,y;\n}ra[50001],rb[50001],rc[50001],p[150001];\n\nint main()\n{\n   int i,j,k,a,b,c,x,y,l,r,mid,pa=1,pb=1,pc=1,o=0;\n   scanf(\"%d\",&a);\n   for (i=1;i<=a;i++)\n   {\n      scanf(\"%d%d\",&ra[i].x,&ra[i].y);\n      if (ra[i].x<ra[pa].x||ra[i].x==ra[pa].x&&ra[i].y<ra[pa].y)\n         pa=i;\n   }\n   scanf(\"%d\",&b);\n   for (i=1;i<=b;i++)\n   {\n      scanf(\"%d%d\",&rb[i].x,&rb[i].y);\n      if (rb[i].x<rb[pb].x||rb[i].x==rb[pb].x&&rb[i].y<rb[pb].y)\n         pb=i;\n   }\n   scanf(\"%d\",&c);\n   for (i=1;i<=c;i++)\n   {\n      scanf(\"%d%d\",&rc[i].x,&rc[i].y);\n      if (rc[i].x<rc[pc].x||rc[i].x==rc[pc].x&&rc[i].y<rc[pc].y)\n         pc=i;\n   }\n   i=pa;\n   j=pb;\n   k=pc;\n   while (1)\n   {\n      x=ra[i%a+1].x-ra[i].x;\n      y=ra[i%a+1].y-ra[i].y;\n      if (cj(rb[j%b+1].x-rb[j].x,rb[j%b+1].y-rb[j].y,x,y)>0)\n      {\n         x=rb[j%b+1].x-rb[j].x;\n         y=rb[j%b+1].y-rb[j].y;\n      }\n      if (cj(rc[k%c+1].x-rc[k].x,rc[k%c+1].y-rc[k].y,x,y)>0)\n      {\n         x=rc[k%c+1].x-rc[k].x;\n         y=rc[k%c+1].y-rc[k].y;\n      }\n      if (cj(ra[i%a+1].x-ra[i].x,ra[i%a+1].y-ra[i].y,x,y)==0)\n         i=i%a+1;\n      if (cj(rb[j%b+1].x-rb[j].x,rb[j%b+1].y-rb[j].y,x,y)==0)\n         j=j%b+1;\n      if (cj(rc[k%c+1].x-rc[k].x,rc[k%c+1].y-rc[k].y,x,y)==0)\n         k=k%c+1;\n      p[++o]=(struct case1){ra[i].x+rb[j].x+rc[k].x,ra[i].y+rb[j].y+rc[k].y};\n      if (i==pa&&j==pb&&k==pc)\n         break;\n   }\n   scanf(\"%d\",&a);\n   while (a--)\n   {\n      scanf(\"%d%d\",&x,&y);\n      x*=3;\n      y*=3;\n      if (cj(x-p[1].x,y-p[1].y,p[2].x-p[1].x,p[2].y-p[1].y)>0||cj(x-p[1].x,y-p[1].y,p[o].x-p[1].x,p[o].y-p[1].y)<0)\n         puts(\"NO\");\n      else\n      {\n         l=2;\n         r=o;\n         while (l<r-1)\n         {\n            mid=(l+r)>>1;\n            if (cj(p[mid].x-p[1].x,p[mid].y-p[1].y,x-p[1].x,y-p[1].y)>=0)\n               l=mid;\n            else\n               r=mid;\n         }\n         puts((cj(p[l+1].x-p[l].x,p[l+1].y-p[l].y,x-p[l].x,y-p[l].y)>=0)?\"YES\":\"NO\");\n      }\n   }\n   return 0;\n}\n", "src_uid": "a764daf8e19e48a0735811a4f67485c3"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define N\t52\n#define K\t(N * 9)\n#define INF\t0x3f3f3f3f\n\nint min(int a, int b) { return a < b ? a : b; }\n\nvoid carry(int *aa, int n) {\n\tint i;\n\n\tfor (i = 0; i < n; i++)\n\t\tif (aa[i] >= 10)\n\t\t\taa[i + 1] += aa[i] / 10, aa[i] %= 10;\n\t\telse if (aa[i] < 0)\n\t\t\taa[i + 1] -= (-aa[i] + 9) / 10, aa[i] = (aa[i] % 10 + 10) % 10;\n}\n\nint main() {\n\tstatic char aa[N + 1];\n\tstatic int bb[N + 1], dp[K * 2 + 1], dq[K * 2 + 1], dp_[K * 2 + 1], dq_[K * 2 + 1];\n\tint n, i, j, k, ans;\n\tchar tmp;\n\n\tscanf(\"%s\", aa), n = strlen(aa);\n\tfor (i = 0; i < n; i++)\n\t\taa[i] -= '0';\n\tfor (i = 0, j = n - 1; i < j; i++, j--)\n\t\ttmp = aa[i], aa[i] = aa[j], aa[j] = tmp;\n\tn += 2;\n\tmemset(dp, 0x3f, (K * 2 + 1) * sizeof *dp), memset(dq, 0x3f, (K * 2 + 1) * sizeof *dq); \n\tdp[K] = 0;\n\tfor (i = n - 2; i >= 0; i--) {\n\t\tmemset(dp_, 0x3f, (K * 2 + 1) * sizeof *dp_), memset(dq_, 0x3f, (K * 2 + 1) * sizeof *dq_); \n\t\tfor (k = 0; k <= K * 2; k++) {\n\t\t\tint x;\n\n\t\t\tfor (j = 0; j <= i + 1; j++)\n\t\t\t\tbb[j] = aa[j] + k - K;\n\t\t\tcarry(bb, i + 2), bb[i + 2] = 0;\n\t\t\tif ((x = dp[k]) != INF) {\n\t\t\t\tint d = bb[i + 1] == 1 ? 10 : bb[i];\n\n\t\t\t\tfor (j = i; j >= 0; j--)\n\t\t\t\t\tbb[j] -= d;\n\t\t\t\tcarry(bb, i + 2);\n\t\t\t\tif (bb[i + 2] < 0)\n\t\t\t\t\td--;\n\t\t\t\tif (d < 10) {\n\t\t\t\t\tdp_[k - d] = min(dp_[k - d], x + d * (i + 1));\n\t\t\t\t\tif (++d < 10)\n\t\t\t\t\t\tdq_[k - d] = min(dq_[k - d], x + d * (i + 1));\n\t\t\t\t}\n\t\t\t}\n\t\t\tfor (j = 0; j <= i + 1; j++)\n\t\t\t\tbb[j] = -bb[j];\n\t\t\tcarry(bb, i + 2), bb[i + 2] = 0;\n\t\t\tif ((x = dq[k]) != INF) {\n\t\t\t\tint d = bb[i + 1] == 1 ? 10 : bb[i];\n\n\t\t\t\tfor (j = i; j >= 0; j--)\n\t\t\t\t\tbb[j] -= d;\n\t\t\t\tbb[0]--;\n\t\t\t\tcarry(bb, i + 2);\n\t\t\t\tif (bb[i + 2] < 0)\n\t\t\t\t\td--;\n\t\t\t\tif (d < 10) {\n\t\t\t\t\tdq_[k + d] = min(dq_[k + d], x + d * (i + 1));\n\t\t\t\t\tif (++d < 10)\n\t\t\t\t\t\tdp_[k + d] = min(dp_[k + d], x + d * (i + 1));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tmemcpy(dp, dp_, (K * 2 + 1) * sizeof *dp_), memcpy(dq, dq_, (K * 2 + 1) * sizeof *dq_); \n\t}\n\tans = INF;\n\tfor (k = 0; k <= K * 2; k++)\n\t\tif ((aa[0] + k - K) % 10 == 0)\n\t\t\tans = min(ans, dp[k]);\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "1961e7c9120ff652b15cad5dd5ca0907"}
{"source_code": "#include <stdio.h>\ntypedef long long unsigned llu;\ntypedef unsigned u;\nu M[55][55];\nint main()\n{\n\tu m,b,i,j;llu k,r=0llu;\n\tscanf(\"%u%u\",&m,&b);\n\tfor(i=-1;++i<=b;)\n\t{\n\t\tj=m*(b-i);\n\t\tk =(j+1)*(i*(llu)(i+1)>>1);\n\t\tk+=(i+1)*(j*(llu)(j+1)>>1);\n\t\tif(r<k)r=k;\n\t}\n\tprintf(\"%I64u\\n\",r);\n\treturn 0;\n}", "src_uid": "9300f1c07dd36e0cf7e6cb7911df4cf2"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#include<string.h>\n#define max(a,b) ((a>b)?a:b))\n#define min(a,b) ((a<b)?b:a))\n#define Read(T) scanf(\"%d\\n\",&T)\n#define LL long long\n#define OpFile_in(s) freopen(s,\"r\",stdin)\nint N,M,K;\nint cnt[103],Nxt[102];\nchar st1[102],st2[102];\nvoid init();\nvoid doit();\nint main()\n{\n    //OpFile_in(\"CF_temp.in\");\n    init();\n    doit();\n    return 0;\n}\nvoid init()\n{\n    scanf(\"%d%d\\n\",&N,&M);\n    gets(st1);\n    gets(st2);\n}\nvoid doit()\n{\n    int i=0,j=0,cur,L1,L2;\n    LL ans=0;\n    L1=strlen(st1);\n    L2=strlen(st2);\n    for(i=0;i<L2;i++)\n    {\n        cur=i;\n        for(j=0;j<L1;j++)\n        {\n            if(st2[cur]==st1[j])\n            {cur++;\n            if(st2[cur]=='\\0') cnt[i]++,cur=0;\n            }\n        }\n        Nxt[i]=cur;\n    }\n    for(cur=i=0;i<N;i++)\n    {\n        ans+=cnt[cur];\n        cur=Nxt[cur];\n    }\n    printf(\"%I64d\\n\",ans/M);\n}\n", "src_uid": "5ea0351ac9f949dedae1928bfb7ebffa"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    long long a, b;\n    scanf(\"%I64d %I64d\", &a, &b);\n    long long counter = 0ll;\n    for(long long i = (long long)1; i < b * 100; i *= 2)\n    {\n        for(long long j = (long long)1; j < b * 100; j *= 3)\n        {\n            if(i * j >= a && i * j <= b)\n                counter++;\n        }\n    }\n    printf(\"%I64d\", counter);\n    return 0;\n}\n", "src_uid": "05fac54ed2064b46338bb18f897a4411"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n\n\n#define rep2(i,k,n)                 for(i=(k);i<(n);++i)\n#define rep(i,n)                    rep2(i,0,n)\n\n\n\ntypedef unsigned long long          ull;\ntypedef long long                   ll;\ntypedef int                         TKey;\n\n\n#define MAX_NUM                     2003\n\nconst ll MOD_MAX = (1e9 + 7);\n\null inv[MAX_NUM];\null wt[MAX_NUM];\n\n\n\n\nvoid calcInv(int m)\n{\n    int i;\n    inv[0] = 1;\n    inv[1] = 1;\n    for (i = 2; i < m; i++)\n    {\n        inv[i] = ((MOD_MAX - MOD_MAX / i) * inv[MOD_MAX % i]) % MOD_MAX;\n    }\n}\n\n\null getC(ull n, ull m)\n{\n    ull i;\n    ull ans = 1;\n    //addLog(\"Need C(\" << n << \",\" << m << \")\");\n    if (n < m) return 0;\n    //cala the min\n    if (m > n - m) m = n - m;\n    //n %= MOD_MAX;\n    for (i = 1; i <= m; i++)\n    {\n        ans = (ans * inv[i] % MOD_MAX * (n - i + 1)) % MOD_MAX;\n        ////addLog(\"ans=\" << ans);\n    }\n    //addLog(\"C(\" << n << \",\" << m << \")=\" << ans);\n    return ans;\n}\n\n//lucas定理：C(n,m)%p = C(n/p,m/p) * C(n%p,m%p)\n//C(n,m)模p等于p进制数上各位的C(ni,mi)模p的乘积\null getLucas(ull n, ull m)\n{\n    //C(n,0) = 1\n    if (0 == m) return 1;\n    return (getC(n % MOD_MAX, m % MOD_MAX) *  getLucas(n / MOD_MAX, m / MOD_MAX)) % MOD_MAX;\n}\n\n\null solve(int n, ll s)\n{\n    //允许盒子为空一开始要人为加入一个球\n    //花同，盒子不同，且允许为空的数量为 C(n+m-1, m-1)，相当于找 m-1 个挡板\n    ull ans = 0;\n    int sign;\n    ll sum;\n    int i, j;\n    for (i = 0; i < (1 << n); i++)\n    {\n        sign = 1;//__buildin_popcount(i)&1?-1:1;\n        sum = s;\n        //addLog(\"i=\" << bitset<6>(i));\n        for (j = 0; j < n; j++)\n        {\n            if (i & (1 << j))\n            {\n                sign = 0 - sign;\n                //将当前的盒子全部取光（包括多放进去的 1个初始球）\n                sum -= wt[j] + 1;\n                //addLog(\"j=\" << j << \",sign=\" << sign << \",sum=\" << sum);\n            }\n        }\n        if (sum < 0)\n        {\n            //枚举的盒子的花已经超过总个数，这种情况已经在前面计算过了\n            //addLog(\"[sum<0]i=\" << bitset<6>(i) << \",sum=\" << sum);\n            continue;\n        }\n        //剩余的盒子当中还需要找花，相当于从 sum 朵花和 n 个盒子找 n-1 个挡板\n        //容斥原理\n        if (sign < 0)\n            ans = (ans + MOD_MAX + sign * getLucas(sum + n - 1, n - 1)) % MOD_MAX;\n        else\n            ans = (ans + sign * getLucas(sum + n - 1, n - 1)) % MOD_MAX;\n        //addLog(\"sign=\" << sign << \",sum=\" << sum << \")=\" << ans);\n    }\n    return (ans + MOD_MAX) % MOD_MAX;\n}\n\n\n\nint main()\n{\n#ifndef ONLINE_JUDGE\n    freopen(\"iofiles/cf#451e.in\", \"rt\", stdin);\n    freopen(\"iofiles/cf#451e.out\", \"wt\", stdout);\n#endif // DEBUG\n\n\n    int n;\n    ull s;\n    int i;\n\n    scanf(\"%d %I64d\", &n, &s);\n    //printf(\"%d, %llu\\n\", n, s);\n\n    calcInv(n);\n\n    rep(i, n)\n    {\n        scanf(\"%I64d\", &wt[i]);\n        ////addLog(\"wt=\" << wt[i]);\n    }\n\n    printf(\"%I64d\\n\", solve(n, s));\n\n\n    return 0;\n}\n", "src_uid": "8b883011eba9d15d284e54c7a85fcf74"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a,b;\n    scanf(\"%d %d\",&a,&b);\n    if(a<b){printf(\"%d \",a);printf(\"%d\",(b-a)/2);}\n    else{printf(\"%d \",b);printf(\"%d\",(a-b)/2);}\n    return 0;\n}\n", "src_uid": "775766790e91e539c1cfaa5030e5b955"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int n,i,j,k,l,a[4][7],v[105];\n    memset(v,0,sizeof(v));\n    memset(a,0,sizeof(a));\n    scanf(\"%d\",&n);\n    for(i=1;i<=n;i++)\n    {\n        for(j=1;j<=6;j++)\n        {\n            scanf(\"%d\",&a[i][j]);\n            v[a[i][j]]=1;\n        }\n    }\n    for(i=1;i<=n;i++)\n    {\n        for(j=1;j<=6;j++)\n        {\n            for(k=1;k<=n;k++)\n            {\n                if(k==i) continue;\n                for(l=1;l<=6;l++)\n                    v[a[i][j]*10+a[k][l]]=1;\n            }\n        }\n    }\n    for(i=1;i<=99;i++)\n        if(!v[i])\n        {\n            printf(\"%d\\n\",i-1);\n            break;\n        }\n    return 0;\n}\n", "src_uid": "20aa53bffdfd47b4e853091ee6b11a4b"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main(){\n    int n,i,j,temp=0;\n    scanf(\"%d\",&n);\n    int a[n];\n    for(i=0;i<n;i++){\n        scanf(\"%d\",&a[i]);\n    }\n    for(i=0;i<n;i++)\n    {\n        for(j=0;j<n;j++){\n            if(a[i]<a[j]){\n                temp=a[j];\n                a[j]=a[i];\n                a[i]=temp;\n            }\n        }\n    }\n\n    int x,y;\n    x=a[n-1];\n    for(i=0;i<n;i++)\n    {\n        if(x%a[i]==0 &&a[i+1]!=a[i])\n            a[i]=0;\n    }\n     for(i=0;i<n;i++)\n    {\n        for(j=0;j<n;j++){\n            if(a[i]<a[j]){\n                temp=a[j];\n                a[j]=a[i];\n                a[i]=temp;\n            }\n        }\n    }\n    y=a[n-1];\n    if(y==0)\n        y=1;\n    printf(\"%d %d\",x,y);\n    return 0;}\n", "src_uid": "868407df0a93085057d06367aecaf9be"}
{"source_code": "#include<string.h>\n#include<stdio.h>\n#include<stdlib.h>\n#include<time.h>\n#include<math.h>\n#include<ctype.h>\n\n#define MAX( a, b ) ( ( a > b) ? a : b ) \n#define MIN( a, b ) ( ( a < b) ? a : b )\n#define FOR(ii,aa,bb) for(ii=aa;ii<bb;ii++)\n#define and &&\n#define or ||\nint main () {\n\nint x=0,n=0,s=0,i=0,j=0,c=0,a[105],max=0;\nscanf(\"%d %d\",&n,&c);\nFOR(i,0,n)\n  scanf(\"%d\",a+i);\nFOR(i,0,n-1){\n  x=a[i]-a[i+1]-c;\n  if(max<x)\n    max=x;}\nprintf(\"%d\",max);\n\n\n\n\n\n\n\n  return 0;\n}\n", "src_uid": "411539a86f2e94eb6386bb65c9eb9557"}
{"source_code": "#include \"stdio.h\"\n#include \"math.h\"\n#include \"string.h\"\nlong long s(long long a)\n{\n   return (long long)log10((double)a)+1;\n}\nlong long min(long long a,long long b)\n{\n    return a<b?a:b;\n}\nint main()\n{long long p[20],i,j;\n  long long w,m,k,len,cnt,mi;\n  p[0]=1;\n  for(i=1;i<=19;i++)\n        p[i]=p[i-1]*10;\n  while(scanf(\"%I64d%I64d%I64d\",&w,&m,&k)==3)\n  {w/=k;\n    len=s(m);\n     cnt=0;\n     while(w)\n     {mi=min(p[len]-m,w/len);\n      if(!mi)\n              break;\n      w-=mi*len;\n      m=p[len];\n      len++;\n      cnt+=mi;\n      }\n      printf(\"%I64d\\n\",cnt);\n      }\n      return 0;\n}\n\n\n", "src_uid": "8ef8a09e33d38a2d7f023316bc38b6ea"}
{"source_code": "#include <stdio.h>\n\nint dp[1 << 24];\nint p[1 << 24][3];\n\nint dist(int x1, int y1, int x2, int y2)\n{\n     return (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2);\n}\n\nint main()\n{\n     int x, y, n, i, j, k;\n     int a[24], b[24], d[25][25];\n\n     scanf(\"%d %d\", &x, &y);\n     scanf(\"%d\", &n);\n\n     for (i = 0; i < n; i++) scanf(\"%d %d\", &a[i], &b[i]);\n\n     for (i = 0; i < n; i++) {\n\t  for (j = i + 1; j < n; j++) {\n\t       d[i][j] = d[j][i] = dist(a[i], b[i], a[j], b[j]);\n\t  }\n\n\t  d[i][n] = d[n][i] = dist(x, y, a[i], b[i]);\n     }\n\n     for (i = 1; i < (1 << n); i++) dp[i] = 1e9;\n\n     for (i = 0; i < (1 << n) - 1; i++) {\n\t  for (j = 0; j < n; j++) {\n\t       if (((i >> j) & 1) == 0) {\n\t\t    int c = i ^ (1 << j);\n\n\t\t    for (k = j + 1; k < n; k++) {\n\t\t\t if (((i >> k) & 1) == 0) {\n\t\t\t      int c = i ^ (1 << j) ^ (1 << k);\n\n\t\t\t      if (dp[i] + d[j][k] + d[j][n] + d[k][n] < dp[c]) {\n\t\t\t\t   dp[c] = dp[i] + d[j][k] + d[j][n] + d[k][n];\n\n\t\t\t\t   p[c][0] = j + 1;\n\t\t\t\t   p[c][1] = k + 1;\n\t\t\t\t   p[c][2] = i;\n\t\t\t      }\n\t\t\t }\n\t\t    }\n\n\t\t    if (dp[i] + d[j][n] * 2 < dp[c]) {\n\t\t\t dp[c] = dp[i] + d[j][n] * 2;\n\n\t\t\t p[c][0] = j + 1;\n\t\t\t p[c][1] = -1;\n\t\t\t p[c][2] = i;\n\t\t    }\n\n\t\t    break;\n\t       }\n\t  }\n     }\n\n     printf(\"%d\\n\", dp[(1 << n) - 1]);\n\n     i = (1 << n) - 1;\n\n     while (i > 0) {\n\t  if (p[i][1] == -1) {\n\t       printf(\"0 %d \", p[i][0]);\n\t  } else {\n\t       printf(\"0 %d %d \", p[i][0], p[i][1]);\n\t  }\n\n\t  i = p[i][2];\n     }\n     puts(\"0\");\n\n     return 0;\n}\n", "src_uid": "2ecbac20dc5f4060bc873553946281bc"}
{"source_code": "#include <stdio.h>\r\n#define mod 1000000007\r\nlong long pow(long long a, long long n)\r\n{\r\n    long long result = 1;\r\n    while(n != 0)\r\n    {\r\n        if(n & 1)\r\n        {\r\n            result *= a;\r\n            result %= mod;\r\n        }\r\n        a *= a;\r\n        a %= mod;\r\n        n >>= 1;\r\n    }\r\n    return result;\r\n}\r\nint main()\r\n{\r\n    int t;\r\n    long long n, k;\r\n    scanf(\"%d\", &t);\r\n    while (t--)\r\n    {\r\n        scanf(\"%lld%lld\", &n, &k);\r\n\r\n        if(n & 1)\r\n        {\r\n            printf(\"%lld\\n\", pow(1 + pow(2, n - 1), k));\r\n        }\r\n        else\r\n        {\r\n            long long tmp = pow(2, n - 1);\r\n            printf(\"%lld\\n\", \r\n                (pow(tmp - 1, k) * tmp % mod + \r\n                pow(tmp << 1, k)) * (pow(tmp + 1, mod - 2)) \r\n                % mod);\r\n        }\r\n    }\r\n}", "src_uid": "02f5fe43ea60939dd4a53299b5fa0881"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n#define MDI 1000000009\n#define MOD(a) ((a) % MDI)\n#define MOO(a) ((a) > 0 ? (a) % MDI : MDI + (a))\n#define LL long long\n\nvoid putlld(LL a)\n{\n  if(a > 9)\n    putlld(a / 10);\n  putchar(a % 10 + '0');\n}\n\nint nn[499999];\n\nint main(void)\n{\n  int i, n;\n  LL h = 0, g, t;\n  scanf(\"%d\", &n);\n  t = (n >> 1) - 1;\n  for(i = 0, nn[0] = 4; i < t - 1; i++)\n    nn[i + 1] = MOD(nn[i] << 1);\n  for(i = t - 1; i >= 0; i--){\n    g = nn[i] - 3;\n    h = MOD((h + 4) * g);\n  }\n  h = MOD(((h * h + (h << 2)) << 1) + 10);\n  putlld(h);\n  putchar('\\n');\n  return 0;\n}\n", "src_uid": "dbcb1077e7421554ba5d69b64d22c937"}
{"source_code": "#include <stdio.h>\n\nvoid output ( long long  x , long long y );\nvoid solve ( long long x , long long y );\n\nint  w , d;\nlong long n , p;\n\nint main()\n{\n    scanf (\"%I64d %I64d %i %i\", &n , &p , &w , &d);\n    if (w%d==0 && p%d!=0)\n    {\n        output ( -1 , -1 );\n    }\n    else\n    {\n        solve ( 0 , 0 );\n    }\n}\n\nvoid solve ( long long x , long long y )\n{\n    static long long point = 0 ;\n    long long temp;\n    if ( x + y > n  || x<0 )\n    {\n        output ( -1 , -1 );\n    }\n    else\n    {\n        if ( point == p )\n        {\n            output( x , y );\n            return;\n        }\n        if ( point + w <= p )\n        {\n            temp = ( p - point ) / w ;\n            point += ( temp * w );\n            solve ( x + temp , y );\n            return ;\n        }\n        if ( point + d <= p )\n        {\n            temp = ( p - point ) / d ;\n            point += ( temp * d );\n            solve ( x , y + temp );\n            return ;\n        }\n        point -= w;\n        temp = ( p - point ) / d ;\n        point += (temp * d );\n        solve ( x-1 , y+temp );\n        return ;\n    }\n}\n\nvoid output ( long long  x , long long y )\n{\n    long long z;\n    if ( x == -1 )\n    {\n        printf (\"%i\",-1);\n    }\n    else\n    {\n        z = n - x - y;\n        printf (\"%I64d %I64d %I64d\", x , y , z);\n    }\n}\n", "src_uid": "503116e144d19eb953954d99c5526a7d"}
{"source_code": "#include <stdio.h>\n\nint main(){\n  int w, m, l = -1, x;\n  char rez = 1;\n  scanf(\"%d%d\", &w, &m);\n  while(m > 0 && rez){\n    x = m % w;\n    if(l == 2){\n      if(x != w - 1)\n        x++;\n    }\n    if(x == w - 1)\n      l = 2;\n    else  if(x != 0 && x != 1)\n      rez = 0;\n    else\n      l = -1;\n    m /= w;\n  }\n  if(rez)\n    printf(\"YES\");\n  else\n    printf(\"NO\");\n  return 0;\n}\n", "src_uid": "a74adcf0314692f8ac95f54d165d9582"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n   long k,a,b;\n   scanf(\"%ld %ld %ld\",&k,&a,&b);\n   long sum=0;\n   if(a+b==0)\n   {printf(\"-1\");\n    return 0;}\n   sum=a/k+b/k;\n   if(a/k==0&&b/k!=0&&b%k!=0)\n    {printf(\"-1\");\n    return 0;}\n   if(b/k==0&&a/k!=0&&a%k!=0)\n    {printf(\"-1\");\n    return 0;}\n   if(sum>=1)\n   printf(\"%ld\",sum);\n   else\n    printf(\"-1\");\n    return 0;\n}\n", "src_uid": "6e3b8193d1ca1a1d449dc7a4ad45b8f2"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n\tint t;\n\tscanf(\"%d\",&t);\n\twhile(t--)\n\t{\n\t\tlong long int a,b;\n\t\tscanf(\"%lld%lld\",&a,&b);\n\t\tif(a-b!=1)\n\t\tprintf(\"NO\\n\");\n\t\telse\n\t\t{\n\t\t\tif((a+b)%2==0)\n\t\t\tprintf(\"NO\\n\");\n\t\t\telse\n\t\t\t{\n\t\t\t\tlong long int f=0,n=3,r;\n\t\t\t\tr=sqrt(a+b);\n\t\t\t\twhile(n<=r)\n\t\t\t\t{\n\t\t\t\t\tif((a+b)%n==0)\n\t\t\t\t\t{\n\t\t\t\t\t\tf=1;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tn+=2;\n\t\t\t\t}\n\t\t\t\tif(f==0)\n\t\t\t\tprintf(\"YES\\n\");\n\t\t\t\telse\n\t\t\t\tprintf(\"NO\\n\");\n\t\t\t}\n\t\t}\n\t}\n}\n", "src_uid": "5a052e4e6c64333d94c83df890b1183c"}
{"source_code": "#include <stdio.h>\n\n#define MAXN 101\n\nmain() {\n    int n, m;\n    scanf(\"%d %d\\n\", &n, &m);\n    int pts[MAXN];\n    int ans[MAXN];\n    int i, temp;\n    for (i = 0; i < MAXN; i++) {\n        pts[i] = 0;\n    }\n    for (i = 1; i <= n; i++) {\n        scanf(\"%d\", &temp);\n        pts[temp] = i;\n    }\n    int mod = 0;\n    for (i = 0; i < MAXN; i++) {\n        if(pts[i] != 0) {\n            ans[pts[i]] = mod%2;\n            mod++;\n        }\n    }\n    for (i = 1; i < n; i++) {\n        printf(\"%d \", ans[i]);\n    }\n    printf(\"%d \\n\", ans[n]);\n}", "src_uid": "692698d4b49ad446984f3a7a631f961d"}
{"source_code": "#include <stdio.h>\n\nint main(void)\n{\n\n    int n,i=0;\n    char s[101];\n    scanf(\"%d %s\",&n,s);\n\n   while(s[i]!='0'&&i<n)\n        i++;\n    if(i!=n)\n    printf(\"%d\",i+1);\n   else\n    printf(\"%d\",i);\n return 0;\n}", "src_uid": "54cb2e987f2cc06c02c7638ea879a1ab"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a,b,c,d,time,hour,mins,new_time;\n\n    scanf(\"%d:%d\",&a,&b);\n    scanf(\"%d:%d\",&c,&d);\n\n    time=((c*60)+d)-((a*60)+b);\n\n    time=time/2;\n    new_time=(a*60)+b+time;\n\n    hour=new_time/60;\n    mins=new_time%60;\n\n    if(hour<10 && mins<10)\n        printf(\"0%d:0%d\\n\",hour,mins);\n    else if(hour<10)\n        printf(\"0%d:%d\\n\",hour,mins);\n    else if(mins<10)\n        printf(\"%d:0%d\\n\",hour,mins);\n    else\n        printf(\"%d:%d\\n\",hour,mins);\n\n    return 0;\n}\n", "src_uid": "f7a32a8325ce97c4c50ce3a5c282ec50"}
{"source_code": "#include<stdio.h>\nint fact(int n)\n{\n    if(n==0||n==1)\n    return 1;\n    return n*fact(n-1);\n}\n\nint main()\n{\n   long long int i,j,k,l;\n    scanf(\"%lld%lld\",&i,&j);\n    k=fact(i);\n    l=fact(j);\n    if(i>=j)\n    printf(\"%lld\\n\",l);\n    else\n    printf(\"%lld\\n\",k);\n}", "src_uid": "7bf30ceb24b66d91382e97767f9feeb6"}
{"source_code": "# include <stdio.h>\nint main()\n{\n    int n,i,a,b=0,c=0;\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&a);\n        if(a>=0)\n        {\n            b+=a;\n        }\n        else\n        {\n            c+=a;\n        }\n    }\n    printf(\"%d\",b-c);\n    return 0;\n}\n", "src_uid": "4b5d14833f9b51bfd336cc0e661243a5"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n\nlong long int x,y;\n\n//long long int dif[11];\n//long long int base[12];\n\n//int comparetor (const void * a, const void * b)\n\t//{\n\t//\treturn ( *(int*)a - *(int*)b );\n\t//\n\n\n\nint chke(long long int a)\n{\n//printf(\"%I64d\\n\",a);\n    long long int i;\n    for(i=2;i<=(int)(sqrt(a))+1;i++)\n    {\n        if(a%i==0 && i!=a)\n        {//printf(\"%I64d\\n\",i);\n            x=i;\n            return 2;\n        }\n    }\n\n    return 3;\n\n}\n\n\n\nint main()\n{\nlong long int n,sum,i,found;\n\n\n//long long int a[2];\nfound=0;\nsum=0;\nscanf(\"%I64d\",&n);\nif(n==1){\n\n    printf(\"1\\n\");\n    printf(\"0\");\n    exit(0);\n\n\n\n\n}\n\nif(n==2){\n\n    printf(\"1\\n\");\n    printf(\"0\");\n    exit(0);\n\n\n\n\n}\n\n\nfor(i=2;i<=(int)(sqrt(n))+1;i++){\n\n        //printf(\"%I64d\\n\",i);\n    if(n%i==0 && n!=i)\n    {found=1;\n//printf(\"%I64d\\n\",i);\n        if(chke(n/i)==2){\n\n                printf(\"1\\n\");\n                printf(\"%I64d\",i*x);\n        exit(0);\n\n\n        }\n\n    else {\n        printf(\"2\");\n        exit(0);}\n\n\n\n}}\n\nprintf(\"1\\n\");\nprintf(\"0\");\n\n\n}\n", "src_uid": "f0a138b9f6ad979c5ca32437e05d6f43"}
{"source_code": "//by ahmeterdem™\n#include <stdio.h>\n#include <string.h>\n#include <math.h>\n#define min(a,b) (a<b)?a:b\n#define max(a,b) (a<b)?b:a\n#define FOR (i,a,b) for(i=a;i<b;i++)\n#define ROF(i,a,b) for(i=b;i>=0;i--)\nlong long int n;\nint main() {\nscanf(\"%lld\",&n);\nprintf(\"%lld\",n*(n-1)*(n-2)*(n-3)*(n-4)/120*n*(n-1)*(n-2)*(n-3)*(n-4));\n\n\n\n\n\n\treturn 0 ;\n}\n", "src_uid": "92db14325cd8aee06b502c12d2e3dd81"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    double x,y,i,j,cont,a,b;\n    scanf(\"%lf %lf\", &x, &y);\n    cont = 0;\n    if(x >1 && y >1)\n    {\n        for(j = 1 ; j < x ; j++ )\n        {\n            for(i = 1; i< y ; i++)\n            {\n                a = j;\n                b = i;\n                if(y - b < b)\n                {\n                    b = y-b;\n                }\n                if(x-a < a)\n                {\n                    a = x-a;\n                }\n                cont = cont + a*b;\n            }\n        }\n    }\n    printf(\"%.0lf\\n\", cont);\n    return 0 ;\n}\n", "src_uid": "42454dcf7d073bf12030367eb094eb8c"}
{"source_code": "#include<stdio.h>\nint n,m,a[107],c[107];\nvoid cat(){\n\tint i,j;\n\tfor(i=0;i<n;i++){\n\t\ta[i]=0;\n\t}\n\tfor(i=0;i<m;i++){\n\t\tfor(j=c[i]-1;j<n;j++){\n\t\t\tif(a[j]==0){\n\t\t\t\ta[j]=c[i];\n\t\t\t}\n\t\t}\n\t}\n\tfor(i=0;i<n;i++){\n\t\tprintf(\"%d \",a[i]);\n\t}\n\tprintf(\"\\n\");\n}\nvoid run(){\n\tint i;\n\twhile(scanf(\"%d%d\",&n,&m)!=EOF){\n\t\tfor(i=0;i<m;i++){\n\t\t\tscanf(\"%d\",&c[i]);\n\t\t}\n\t\tcat();\n\t}\n}\nmain(){\n\trun();\n\treturn 0;\n}\n", "src_uid": "2e44c8aabab7ef7b06bbab8719a8d863"}
{"source_code": "#include<stdio.h>\nvoid mergesort(long int a[],long int i,long int j);\nvoid merge(long int a[],long int i1,long int j1,long int i2,long int j2);\nint main()\n{\nlong int n;\nscanf(\"%li\",&n);\nlong int a[n],i;\nfor(i=0;i<n;i++)\nscanf(\"%li\",&a[i]);\nmergesort(a,0,n-1);\n//for(i=0;i<n;i++)\n//printf(\"%li\\n\",a[i]);\nfor(i=0;i<=n-3;i++)\n\nif(a[i]+a[i+1]>a[i+2] && a[i+2]+a[i]>a[i+1])\nbreak;\nif(i>(n-3))\nprintf(\"NO\");\nelse\nprintf(\"YES\");\t\t\n}\t\nvoid mergesort(long int a[],long int i,long int j)\n{\n    long int mid;\n    if(i<j)\n    {\n        mid=(i+j)/2;\n        mergesort(a,i,mid);        //left recursion\n        mergesort(a,mid+1,j);    //right recursion\n        merge(a,i,mid,mid+1,j);    //merging of two sorted sub-arrays\n    }\n}\n \nvoid merge(long int a[],long int i1,long int j1,long int i2,long int j2)\n{\n    long int temp[j2];    //array used for merging\n    long int i,j,k;\n    i=i1;    //beginning of the first list\n    j=i2;    //beginning of the second list\n    k=0;\n    \n    while(i<=j1 && j<=j2)    //while elements in both lists\n    {\n        if(a[i]<a[j])\n            temp[k++]=a[i++];\n        else\n            temp[k++]=a[j++];\n    }\n    \n    while(i<=j1)    //copy remaining elements of the first list\n        temp[k++]=a[i++];\n        \n    while(j<=j2)    //copy remaining elements of the second list\n        temp[k++]=a[j++];\n        \n    //Transfer elements from temp[] back to a[]\n    for(i=i1,j=0;i<=j2;i++,j++)\n        a[i]=temp[j];\n}", "src_uid": "897bd80b79df7b1143b652655b9a6790"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n int main(){\n    int len;\n    char introd[101];\n    scanf(\"%s\",introd);\n    len= strlen(introd);\n    if((len==3&&strcmp(introd,\"127\")<=0) || len<3)\n        printf(\"byte\\n\");\n    else if((len==5&&strcmp(introd,\"32767\")<=0) || len<5)\n        printf(\"short\\n\");\n    else if((len==10&&strcmp(introd,\"2147483647\")<=0) || len<10)\n        printf(\"int\\n\");\n    else if((len==19&&strcmp(introd,\"9223372036854775807\")<=0) || len<19)\n        printf(\"long\\n\");\n    else printf(\"BigInteger\\n\");\n    return 0;\n }\n", "src_uid": "33041f1832fa7f641e37c4c638ab08a1"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int k, i, j, l;\n    int a[5];\n    scanf(\" %d\", &k);\n    for(i=1; i<k; i++)\n    {\n        for(j=1; j<k; j++)\n        {\n            int temp = i*j;\n            l = 0;\n            while(temp > 0)\n            {\n                a[l] = temp % k;\n                if((temp = temp/k) > 0)\n                    l++;\n            }\n            while( l >= 0 )\n            {\n                printf(\"%d\", a[l]);\n                l--;\n            }\n            printf(\"\\t\");\n        }\n        printf(\"\\n\");\n    }\n    return 0;\n}", "src_uid": "a705144ace798d6b41068aa284d99050"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main(){\n    int v1,v2,t,d,sum=0;\n    scanf(\"%d%d%d%d\",&v1,&v2,&t,&d);\n    while(t--){\n        if(v1>v2){\n            int temp=v1;\n            v1=v2;\n            v2=temp;\n        }\n        sum+=v1;\n        v1+=d;\n    }\n    printf(\"%d\",sum);\n    return 0;\n}\n", "src_uid": "9246aa2f506fcbcb47ad24793d09f2cf"}
{"source_code": "//Bismillahir rahmanir rahim\n\n#include <stdio.h>\n#define lim 62\n\nlong long ans=0,ncr[63][63],i,j;\n\nint main(void) {\n\t// your code goes here\n\tlong long n,m,t;\n\tscanf(\"%lld %lld %lld\",&n,&m,&t);\n\tncr[0][0]=1;\n\tfor(i=1;i<=lim;++i){\n\t    for(j=0;j<=lim;++j){\n\t        if(j>i) ncr[i][j]=0;\n\t        else if(j==i || j==0)   ncr[i][j]=1;\n\t        else ncr[i][j] = ncr[i-1][j-1] + ncr[i-1][j];\n \t    }\n\t}\n\tfor(i=4;t>i;++i){ \t//printf(\"%lld\\n\",ans);\n\t\t\tans+=ncr[n][i]*ncr[m][t-i];\n\t}\n\tprintf(\"%lld\",ans);\n\treturn 0;\n}\n", "src_uid": "489e69c7a2fba5fac34e89d7388ed4b8"}
{"source_code": "#include <stdio.h>\n\n#define MD\t1000000007\n#define L\t50\n#define K\t10000\n\nlong long dp[L + 1][L + 1];\n\nvoid init(int k) {\n\tstatic long long dq[L + 1][L + 1];\n\tstatic int inv[L + 2];\n\tint i1, i2, i, j;\n\n\tfor (i = 1; i <= L + 1; i++) {\n\t\tlong long x = 1;\n\n\t\twhile (x % i != 0)\n\t\t\tx += MD;\n\t\tinv[i] = x / i % MD;\n\t}\n\tfor (i = 0; i <= L; i++)\n\t\tdp[i][i] = dq[i][i] = 1;\n\tfor (i1 = 0; i1 <= L; i1++)\n\t\tfor (i2 = i1 + 1; i2 <= L; i2++)\n\t\t\tdq[i1][i2] = (dq[i1][i2] + dq[i1][i2 - 1]) % MD;\n\tfor (j = 1; j <= k; j++)\n\t\tfor (i1 = 0; i1 <= L; i1++)\n\t\t\tfor (i2 = i1; i2 <= L; i2++) {\n\t\t\t\tdq[i1][i2] = dp[i1][i2] = dq[i1][i2] * inv[i2 + 1] % MD;\n\t\t\t\tif (i2 > i1)\n\t\t\t\t\tdq[i1][i2] = (dq[i1][i2] + dq[i1][i2 - 1]) % MD;\n\t\t\t}\n}\n\nint solve(long long a, int cnt) {\n\tint i, sum;\n\tlong long p;\n\n\ta %= MD;\n\tp = 1;\n\tsum = 0;\n\tfor (i = 0; i <= cnt; i++) {\n\t\tsum = (sum + p * dp[i][cnt]) % MD;\n\t\tp = p * a % MD;\n\t}\n\treturn sum;\n}\n\nint main() {\n\tlong long n, ans;\n\tint k, a;\n\n\tscanf(\"%lld%d\", &n, &k);\n\tinit(k);\n\tans = 1;\n\tfor (a = 2; a <= n / a; a++)\n\t\tif (n % a == 0) {\n\t\t\tint cnt = 0;\n\n\t\t\twhile (n % a == 0) {\n\t\t\t\tn /= a;\n\t\t\t\tcnt++;\n\t\t\t}\n\t\t\tans = ans * solve(a, cnt) % MD;\n\t\t}\n\tif (n > 1)\n\t\tans = ans * solve(n, 1) % MD;\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "dc466d9c24b7dcb37c0e99337b4124d2"}
{"source_code": "#include<stdio.h>\n#include<conio.h>\nint main(){\n\tint w1,h1,w2,h2;\n\tscanf(\"%d %d %d %d\",&w1,&h1,&w2,&h2);\n\tprintf(\"%d\",2*(w1+h1+h2+2));\n\treturn 0;\n}", "src_uid": "b5d44e0041053c996938aadd1b3865f6"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a1,a2, a3, a4, a5,n, i;\n    scanf(\"%d %d %d %d %d\", &a1, &a2, &a3, &a4, &a5);\n    int a= a1+ a2+ a3+ a4+ a5;\n    if(((a%5)==0) && (a>0)) printf(\"%d\", (a/5));\n    else if (a==0) printf(\"-1\");\n    else printf(\"-1\");\n    return 0;\n}\n", "src_uid": "af1ec6a6fc1f2360506fc8a34e3dcd20"}
{"source_code": "#include <stdio.h>\n#define __STDC_FORMAT_MACROS\n#include <inttypes.h>\n\n// if we write f(x) = Sum([0,n+1], bi * x^i) and q(x) = Sum([0,n], ai * x^i) and then so multiplication and equate left and right sides:\n// b[n+1] = a[n]\n// b[i]   = K*a[i] + a[i-1]\n// b[0]   = K*a[0] + P\n// from here it is easy to see that all ai should be integer (going n+1 -> 0 and knowing that bi are integers)\n\n\n// TODO: ???\n#define MAX_D 5000\nstatic int64_t _a[MAX_D+2] = {}, _b[MAX_D+2] = {};\n\n\nint main() {\n    int64_t P,K; scanf(\"%\" PRId64 \" %\" PRId64 \"\\n\", &P,&K);\n\n    // offset, to include P as a[-1]\n    _a[0] = P; int D = 0;\n    for( ; D <= MAX_D ; ++D) {\n        // b[i] = K*a[i] + a[i-1] < K\n        // say, a[i-1] = x*K+y (y < K), then we can write\n        // b[i] = K*(a[i] + x) + y < K, and from there a[i] = -x, and b[i] = y\n        // NB we want non-c modulo, but math (where rem is non-negative)\n        int64_t x = _a[D] / K, y = _a[D] % K;\n        if(y < 0) { y += K, --x; }\n        _a[D+1] = -x, _b[D] = y;\n        // TODO:\n        if(_a[D] == 0) break;\n    }\n\n    printf(\"%d\\n\", D);\n    for(int i = 0 ; i < D ; ++i) printf(\"%\" PRId64 \" \", _b[i]);\n    printf(\"\\n\");\n    return 0;\n}", "src_uid": "f4dbaa8deb2bd5c054fe34bb83bc6cd5"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\tint cost[6][6] = {{3, 3, 4, 4, 3, 3}, {3, 3, 4, 4, 3, 3}, {2, 2, 3, 3, 2, 2}, {2, 2, 3, 3, 2, 2}, {1, 1, 2, 2, 1, 1}, {1, 1, 2, 2, 1, 1}};\n    char now[6][6];\n    for (int i = 0; i < 6; i++)\n    {\n        scanf(\"%c%c-%c%c-%c%c\\n\", &now[i][0], &now[i][1], &now[i][2], &now[i][3], &now[i][4], &now[i][5]);\n    }\n    int mx = -1, x = -1, y = -1;\n    for (int i = 0; i < 6; i++)\n    {\n        for (int j = 0; j < 6; j++)\n        {\n            if (cost[i][j] > mx && now[i][j] == '.')\n            {\n                x = i;\n                y = j;\n                mx = cost[i][j];\n            }\n        }\n    }\n    now[x][y] = 'P';\n    for (int i = 0; i < 6; i++)\n    {\n        printf(\"%c%c-%c%c-%c%c\\n\", now[i][0], now[i][1], now[i][2], now[i][3], now[i][4], now[i][5]);\n    }\n\treturn 0;\n}\n", "src_uid": "35503a2aeb18c8c1b3eda9de2c6ce33e"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#include<string.h>\n#include<stdlib.h>\n\nint main()\n{\n        char s[100];\n        scanf(\"%s\",&s);\n        int p=0;\n        for(int i=0;s[i]!='\\0';i++)\n        {\n                if(s[i]>p)\n                p=s[i];\n        }\n        for(int i=0;s[i]!='\\0';i++)\n        {\n                if(s[i]==p)\n                printf(\"%c\",s[i]);\n        }\n        return 0;\n}", "src_uid": "9a40e9b122962a1f83b74ddee6246a40"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int n,j=0,i,b,v=0;\n    scanf(\"%d\",&n);\n    scanf(\"%d\",&b);\n    int A[n/2],B[n/2];\n    for (i=0; i<n/2; i++)\n    {\n        A[i]=j+1;\n        B[(n/2)-1-i]=j+2;\n        j+=2;\n    }\n    if(b%2==0)\n    {\n    for(i=0; i<n/2; i++)\n    {\n     if (B[i]==b){\n        printf (\"%d\",i+1);\n        return 0;\n    }}\n\n    }\nelse\n    {\n    for(i=0; i<n/2; i++)\n    {\n         if (A[i]==b){\n        printf (\"%d\",i+1);\n       return 0;}}}\n\n}\n", "src_uid": "aa62dcdc47d0abbba7956284c1561de8"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n        int m,a[101],i,j,t;\n        scanf(\"%d\",&m);\n        for(i=0;i<m;i++)\n        scanf(\"%d\",&a[i]);\n        for(i=0;i<m-1;i++)\n        for(j=0;j<m-1-i;j++)\n        {\n                if(a[j]>a[j+1])\n                {\n                        t=a[j];\n                        a[j]=a[j+1];\n                        a[j+1]=t;\n                }\n        }\n        j=0;\n        for(i=0;i<m-1;i+=2)\n        {\n                j+=(a[i+1]-a[i]);\n        }\n        printf(\"%d\",j);\n        return 0;\n}", "src_uid": "55485fe203a114374f0aae93006278d3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,k;\n    scanf(\"%lld%lld\",&n,&k);\n    if(k<=n/2)\n    {\n        printf(\"%lld\",k*(2*n-2*k-1));\n    }\n    else printf(\"%lld\",(n)*(n-1)/2);\n    return 0;\n}", "src_uid": "ea36ca0a3c336424d5b7e1b4c56947b0"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n\n    int k1,k2,k3,k4,cout=0,sum=0,i;\n\n    scanf(\"%d%d%d%d\",&k1,&k2,&k3,&k4);\n\n    if(k1<k3&&k1<k4)\n    {\n        cout=k1;\n    }\n    else if(k3<k4)\n    {\n        cout=k3;\n    }\n    else{cout=k4;}\n\n    for(i=0;i<cout;i++){sum+=256;k1--;}\n    for(i=0;i<k2;i++)\n        {\n            if(k1>0)\n            {\n            sum+=32;\n            k1--;\n            }\n        }\n\n\n    printf(\"%d\",sum);\n\n    return 0;\n\n}\n", "src_uid": "082b31cc156a7ba1e0a982f07ecc207e"}
{"source_code": "#include<stdio.h>\nlong long dp(int,int,char);\nlong long dar[1003][102],MOD,powmod[1003],modmod[1003];\nint n,k;\nint main(){\n\tint i,j,l;\n\tscanf(\"%d %d %d\",&n,&k,&i);\n\tMOD=(long long)i;\n\tpowmod[0]=1%k;\n\tmodmod[0]=1%MOD;\n\tfor(i=1;i<=n;i++){\n\t\tpowmod[i]=(powmod[i-1]*10)%k;\n\t\tmodmod[i]=(modmod[i-1]*10)%MOD;\n\t}\n\tfor(i=0;i<1003;i++){\n\t\tfor(j=0;j<102;j++){\n\t\t\tdar[i][j]=-1;\n\t\t}\n\t}\n\tdar[n][0]=1;\n\tfor(i=n-1;i>0;i--){\n\t\tdar[i][0]=(9*modmod[n-1-i])%MOD;\n\t}\n\tprintf(\"%d\\n\",(int)dp(0,0,0));\n\treturn 0;\n}\n\nlong long dp(int dig,int mod,char fl){\n\tlong long toret;\n\tint i;\n\tif(dig>n){\n\t\treturn 0;\n\t}\n\tif(fl&&mod==0){\n\t\treturn dar[dig][0];\n\t}\n\tif(fl==0||dar[dig][mod]==-1){\n\t\ttoret=0;\n\t\ttoret+=dp(dig+1,mod,fl);\n\t\tfor(i=1;i<10;i++){\n\t\t\ttoret=(toret+dp(dig+1,(mod+i*powmod[dig])%k,1))%MOD;\n\t\t}\n\t\tif(fl!=0){\n\t\t\tdar[dig][mod]=toret;\n\t\t}\n\t}\n\telse{\n\t\ttoret=dar[dig][mod];\n\t}\n\treturn toret;\n}\n", "src_uid": "656bf8df1e79499aa2ab2c28712851f0"}
{"source_code": "#include \"stdio.h\"\n#include \"string.h\"\n\n\nint main(int argc, char* argv[])\n{\n    char s[102];\n    char s1[]=\"CODEFORCES\";\n    scanf(\"%s\",s);\n    int len=strlen(s);\n    if(len<10)\n    {\n        printf(\"NO\\n\");\n        return 0;\n    }\n\n    int i,j=0;\n    for(i=0;i<len;i++){//从第一个开始匹配,cut掉最后的子串\n        if(s[i]!=s1[j])\n            break;\n        j++;\n        if(j==10)\n            break;\n    }\n    if(j==10){\n        printf(\"YES\\n\");\n        return 0;\n    }\n    j=0;\n    for(i=len-10;i<len;i++){//cut掉前面的子串，从最后开始匹配；\n        if(s[i]!=s1[j])\n            break;\n        j++;\n        if(j==10)\n            break;\n    }\n    if(j==10)\n    {\n        printf(\"YES\\n\");\n        return 0;\n    }\n    j=0;\n    for(i=0;i<len;i++){//cut掉中间的子串；\n        if(s[i]==s1[j])\n            j++;\n        else\n            break;  \n    }\n    int leave=10-j;\n    if(len-j-leave<=0){\n        printf(\"NO\\n\");\n        return 0;\n    }\n    for(i=len-leave;i<len;i++){\n        if(s[i]!=s1[j]){\n            printf(\"NO\\n\");\n            return 0;\n        }\n        j++;\n    }\n    printf(\"YES\\n\");\n            \n    return 0;\n}", "src_uid": "bda4b15827c94b526643dfefc4bc36e7"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <math.h>\n\n#define MAX_CHAR 1501\n\ntypedef struct node_struct\n{\n\tstruct node_struct* map[26];\n\tint cost;\t\n}node_t;\n\nnode_t* add(node_t* current, char c, int isGood, int* result, int k)\n{\n\n\tif(current->map[c - 'a'] == NULL)\n\t{\n\t\tcurrent->map[c - 'a'] = (node_t*)(malloc(sizeof(node_t)));\n\t\tfor(int i = 0; i < 26; i++)\n\t\t\tcurrent->map[c - 'a']->map[i] = NULL;\n\n\t\tif(!isGood)\n\t\t\tcurrent->map[c - 'a']->cost = current->cost + 1;\n\t\telse\n\t\t\tcurrent->map[c - 'a']->cost = current->cost;\n\n\t\tif(current->map[c - 'a']->cost <= k)\n\t\t\t*result = *result + 1;\n\n\t\treturn current->map[c - 'a'];\n\t}\n\telse\n\t{\n\t\treturn current->map[c - 'a'];\n\t}\n}\n\nint main()\n{\n\tlong long int n, a, b;\n\tscanf(\"%lld %lld %lld\", &n, &a, &b);\n\n\tn = n * 6;\n\tif(a * b >= n)\n\t{\n\t\tprintf(\"%lld\\n%lld %lld\\n\", (a*b), a, b);\n\t\treturn 0;\n\t}\n\n\tif(n%a == 0)\n\t{\n\t\tprintf(\"%lld\\n%lld %lld\\n\", n, a, (n/a));\n\t\treturn 0;\n\t}\n\n\tif(n%b == 0)\n\t{\n\t\tprintf(\"%lld\\n%lld %lld\\n\", n, (n/b), b);\n\t\treturn 0;\n\t}\n\n\tlong long int naive_guess, a_, b_;\n\tnaive_guess = a * ((n/a) + 1);\n\ta_ = a;\n\tb_ = (n/a) + 1;\n\tif(b * ((n/b) + 1) < naive_guess)\n\t{\n\t\tnaive_guess = b * ((n/b) + 1);\n\t\ta_ = (n/b) + 1;\n\t\tb_ = b;\n\t}\n\n\tint result = 0;\n\tlong long int ans = naive_guess;\n\n\tlong long int max_ab = a < b ? b : a;\n\tlong long int min_ab = a < b ? a : b;\n\tfor(long long int guess = n; guess < naive_guess; guess++)\n\t{\n\t\tif(result == 1)\n\t\t\tbreak;\n\n\t\tfor(long long int factor = min_ab; factor <= sqrt(guess) + 1; factor++)\n\t\t{\n\t\t\tif( guess % factor != 0)\n\t\t\t\tcontinue;\n\n\t\t\tlong long int other_factor = guess/factor;\n\t\t\tif(factor >= a && other_factor >= b)\n\t\t\t{\n\t\t\t\tans = guess;\n\t\t\t\ta_ = factor;\n\t\t\t\tb_ = other_factor;\n\t\t\t\tresult = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\telse if (factor >= b && other_factor >= a)\n\t\t\t{\n\t\t\t\tans = guess;\n\t\t\t\tb_ = factor;\n\t\t\t\ta_ = other_factor;\n\t\t\t\tresult = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\tprintf(\"%lld\\n%lld %lld\\n\", ans, a_, b_);\n}\n\n", "src_uid": "6a2a584d36008151d18e5080aea5029c"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(void)\n{\n    char str[15]={0}, rev[15]={0};\n    int i=0, d=0,l=0;\n    \n    scanf(\"%s\",str);\n    l=strlen(str);\n    rev[l]='\\0';\n    for(i=0;i<l/2;i++){\n        rev[i]=str[l-i-1];\n        if ( rev[i] != str[i]) d++;\n    }\n    if(d==1) printf(\"YES\");\n    else if(d==0){\n        if(l%2 != 0) printf(\"YES\");\n        else printf(\"NO\");\n    }\n    else printf(\"NO\");\n \n    return 0;   \n}\n", "src_uid": "fe74313abcf381f6c5b7b2057adaaa52"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a[5],i,j,temp,sum=0,sum1=0,sum2=0;\n    for(i=0;i<5;i++)\n        scanf(\"%d\",&a[i]);\n        printf(\"\\n\");\n    for(i=0;i<5;i++)\n        {for(j=0;j<4;j++)\n        if(a[j]<a[j+1])\n        {temp=a[j];\n       a[j]=a[j+1];\n       a[j+1]=temp;}\n        }\n  for(i=0;i<5;i++)\n    if((a[i]==a[i+1])&&(a[i+1]==a[i+2]))\n       { sum=a[i]+a[i+1]+a[i+2];\n\n         break; }\n         for(i=0;i<5;i++)\n           if(a[i]==a[i+1])\n           {sum1=a[i]+a[i+1];\n\n           break;}\n    for(i=0;i<5;i++)\n        sum2=sum2+a[i];\n    if(sum>sum1)\n        sum2=sum2-sum;\n    else\n        sum2=sum2-sum1;\n    printf(\"%d\",sum2);\n\n}\n", "src_uid": "a9c17ce5fd5f39ffd70917127ce3408a"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main(){\nint n,v, i, price, cmp;\nscanf(\"%d %d\", &n,&v);\nprice =v; cmp=v+1; i=2;\nif(v>=n) price =n-1;\nwhile(cmp <= n){\n\tif(cmp==n) break;\n\tprice += i;\n\tcmp++;\n\ti++;\n\n}\nprintf(\"%d\", price);\n\nreturn 0;\n}", "src_uid": "f8eb96deeb82d9f011f13d7dac1e1ab7"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n\ntypedef long long ll;\n\ntypedef struct {\n  ll a,b;\n  int c;\n} t_t;\n\n/*  n days, m subjects */\nint n,m,K;\nt_t emne[150];\n\n/*  [i][j][k]: at beginning of day i (0-indexed), j is last course taken\n    (1-indexed, 0=no course taken yet), k:last number of exercises=a_j+k */\nll dp[51][52][101];   /*  max exercises so far */\nint dp1[51][52][101]; /*  prev j */\nint dp2[51][52][101]; /*  prev k */\n\nvoid solve() {\n  int i,j,k,l,nextj,nextk;\n  ll diff,nextd,cur,next;\n  memset(dp,-1,sizeof(dp));\n  memset(dp2,-1,sizeof(dp2));\n  memset(dp2,-1,sizeof(dp2));\n  dp[0][0][0]=0;\n  dp1[0][0][0]=-1;\n  dp2[0][0][0]=-1;\n  for(i=0;i<n;i++) {\n    for(j=0;j<=m;j++) for(k=0;k<101;k++) if(dp[i][j][k]>-1) {\n      cur=dp[i][j][k];\n      /*  pick next exercise */\n/*      if(!j) printf(\"at day %d, no last course\\n\",i);\n      else printf(\"at day %d, last course %d, last ex %I64d\\n\",i,j-1,k+emne[j-1].a);*/\n      if(i==0 && j==0) {\n        /*  first day, can pick everything */\n        for(nextj=0;nextj<m;nextj++) for(nextk=0;nextk<=(int)(emne[nextj].b-emne[nextj].a);nextk++) {\n          dp[i+1][nextj+1][nextk]=nextk+emne[nextj].a;\n          dp1[i+1][nextj+1][nextk]=k;\n          dp2[i+1][nextj+1][nextk]=j;\n        }\n      } else for(l=0;l<m;l++) if(emne[l].c>emne[j-1].c) {\n        /*  difficulty: add k */\n        diff=k+emne[j-1].a;\n        nextd=diff+K;\n        next=cur+nextd;\n        if(nextd>=emne[l].a && nextd<=emne[l].b && next>dp[i+1][l+1][(int)(nextd-emne[l].a)]) {\n          dp[i+1][l+1][(int)(nextd-emne[l].a)]=next;\n          dp1[i+1][l+1][(int)(nextd-emne[l].a)]=k;\n          dp2[i+1][l+1][(int)(nextd-emne[l].a)]=j;\n/*          printf(\"  (add) can pick => %d %d %I64d\\n\",i+1,l,nextd);*/\n        }\n        /*  difficulty: mul k */\n        nextd=diff*K;\n        next=cur+nextd;\n        if(nextd>=emne[l].a && nextd<=emne[l].b && next>dp[i+1][l+1][(int)(nextd-emne[l].a)]) {\n          dp[i+1][l+1][(int)(nextd-emne[l].a)]=next;\n          dp1[i+1][l+1][(int)(nextd-emne[l].a)]=k;\n          dp2[i+1][l+1][(int)(nextd-emne[l].a)]=j;\n/*          printf(\"  (mul) can pick => %d %d %I64d\\n\",i+1,l,nextd);*/\n        }\n      }\n    }\n  }\n}\n\nint fag[100];\nll ex[100];\n\n/*  x: last course (1-indexed), y:last k-value */\nvoid timeplan(int x,int y) {\n  int dag=n;\n  int i,j;\n  while(dag) {\n    fag[dag-1]=x;\n    ex[dag-1]=y+emne[x-1].a;\n    i=dp2[dag][x][y];\n    j=dp1[dag][x][y];\n    dag--;\n    x=i;\n    y=j;\n  }\n  for(i=0;i<n;i++) printf(\"%d %I64d\\n\",fag[i],ex[i]);\n}\n\nint main() {\n  int i,j;\n  ll maks=-1;\n  int besti=-1,bestj=0;\n  scanf(\"%d %d %d\",&n,&m,&K);\n  for(i=0;i<m;i++) scanf(\"%I64d %I64d %d\",&emne[i].a,&emne[i].b,&emne[i].c);\n  solve();\n  for(i=0;i<=m;i++) for(j=0;j<=100;j++) if(dp[n][i][j]>maks) {\n    maks=dp[n][i][j];\n    besti=i;\n    bestj=j;\n  }\n  if(besti<0) puts(\"NO\");\n  else {\n    puts(\"YES\");\n    timeplan(besti,bestj);\n    return 0;\n  }\n  return 0;\n}\n", "src_uid": "c98fdad8e7ce09b8ac389108f72cecd9"}
{"source_code": "#include<stdio.h>\n#define maxn 5005\ntypedef long long ll;\nconst ll mod=998244353;\nint a,b,cc;\nll fac[maxn];\nll c[maxn][maxn];\nll solve(int x,int y)\n{\n\tll res=0;\n\tfor(int i=0;i<=x && i<=y;i++)\n\t\tres=(res+(((fac[i]*c[x][i])%mod)*c[y][i])%mod)%mod;\n\treturn res;\n}\nint main()\n{\n\tscanf(\"%d%d%d\",&a,&b,&cc);\n\tfac[0]=1;\n\tfor(int i=1;i<=5000;i++)\n\t{\n\t\tfac[i]=(fac[i-1]*i)%mod;\n\t\tc[i][0]=1;c[i][i]=1;\n\t\tfor(int j=1;j<=i-1;j++)\n\t\t\tc[i][j]=(c[i-1][j-1]+c[i-1][j])%mod;\n\t}\n\tll ans=1;\n\tans=(ans*solve(a,b))%mod;\n\tans=(ans*solve(b,cc))%mod;\n\tans=(ans*solve(cc,a))%mod;\n\tprintf(\"%I64d\\n\",ans);\n}", "src_uid": "b6dc5533fbf285d5ef4cf60ef6300383"}
{"source_code": "#include <stdio.h>\r\n#include <string.h>\r\n \r\n#define N\t100000\r\n \r\nint md;\r\n \r\nlong long power(long long a, int k) {\r\n\tlong long p = 1;\r\n \r\n\twhile (k) {\r\n\t\tif (k & 1)\r\n\t\t\tp = p * a % md;\r\n\t\ta = a * a % md;\r\n\t\tk >>= 1;\r\n\t}\r\n\treturn p;\r\n}\r\n \r\nint vv[N + 1], ff[N + 1], gg[N + 1];\r\n \r\nvoid init() {\r\n\tint i;\r\n \r\n\tff[0] = gg[0] = 1;\r\n\tfor (i = 1; i <= N; i++) {\r\n\t\tvv[i] = i == 1 ? 1 : (long long) vv[i - md % i] * (md / i + 1) % md;\r\n\t\tff[i] = (long long) ff[i - 1] * i % md;\r\n\t\tgg[i] = (long long) gg[i - 1] * vv[i] % md;\r\n\t}\r\n}\r\n \r\nint choose(int n, int k) {\r\n\treturn k < 0 || k > n ? 0 : (long long) ff[n] * gg[k] % md * gg[n - k] % md;\r\n}\r\n \r\nint aa[N], cnt;\r\n \r\nvoid brute(int i, int n) {\r\n\tif (i == n) {\r\n\t\tint b, c, d, i, j;\r\n \r\n\t\tfor (b = 0; b < 1 << n; b++) {\r\n\t\t\tc = (1 << n) - 1;\r\n\t\t\tfor (i = 0; i < n; i++)\r\n\t\t\t\tif ((b & 1 << i) != 0) {\r\n\t\t\t\t\tif ((c & 1 << aa[i]) == 0)\r\n\t\t\t\t\t\tgoto out;\r\n\t\t\t\t\tc &= ~(1 << aa[i]);\r\n\t\t\t\t}\r\n\t\t\tfor (i = 0; i < n; i++)\r\n\t\t\t\tif ((c & 1 << i) != 0 && (c & 1 << aa[i]) != 0)\r\n\t\t\t\t\tgoto out;\r\n\t\t\tc = 0;\r\n\t\t\tfor (i = 0; i < n; i++) {\r\n\t\t\t\tif ((c & 1 << i) != 0)\r\n\t\t\t\t\tcontinue;\r\n\t\t\t\tj = i, d = 0;\r\n\t\t\t\twhile (((c | d) & 1 << j) == 0)\r\n\t\t\t\t\td |= 1 << j, j = aa[j];\r\n\t\t\t\tif ((c & 1 << j) != 0) {\r\n\t\t\t\t\tc |= d;\r\n\t\t\t\t\tcontinue;\r\n\t\t\t\t}\r\n\t\t\t\tc |= d, d = 0;\r\n\t\t\t\twhile ((d & 1 << j) == 0)\r\n\t\t\t\t\td |= 1 << j, j = aa[j];\r\n\t\t\t\tif ((b & d) == d)\r\n\t\t\t\t\tgoto out;\r\n\t\t\t}\r\n\t\t\tcnt++;\r\nout:;\r\n\t\t}\r\n\t\treturn;\r\n\t}\r\n\tfor (aa[i] = 0; aa[i] < n; aa[i]++)\r\n\t\tif (aa[i] != i)\r\n\t\t\tbrute(i + 1, n);\r\n}\r\n \r\nint slow(int n) {\r\n\tint k, l, ans;\r\n \r\n\tans = 0;\r\n\tfor (k = 1; k <= n; k++)\r\n\t\tfor (l = k; l + k <= n; l++)\r\n\t\t\tans = (ans + (long long) choose(n, l + k)\r\n\t\t\t\t\t* ff[l + k] % md\r\n\t\t\t\t\t* gg[k] % md\r\n\t\t\t\t\t* choose(l - 1, k - 1) % md\r\n\t\t\t\t\t* power(n - 1, k) % md\r\n\t\t\t\t\t* power(l, n - l - k)) % md;\r\n\treturn ans;\r\n}\r\n \r\nint main() {\r\n\tint n, n1;\r\n \r\n\tscanf(\"%d%d\", &n1, &md), init();\r\n\tfor (n = n1; n <= n1; n++) {\r\n#if 0\r\n\t\tcnt = 0, brute(0, n);\r\n\t\tprintf(\"%d\\n\", cnt);\r\n#else\r\n\t\tprintf(\"%d\\n\", slow(n));\r\n#endif\r\n\t}\r\n\treturn 0;\r\n}", "src_uid": "2d5a5055aaf34f4d300cfdf7c21748c3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\nlong long min(long long x , long long y)\n{ if(x>=y)\n  return y;\n  else\n  return x ;\n}\nint main()\n{\n  long long int d , k , a, b, t ;\n  scanf(\"%lld %lld %lld %lld %lld\",&d, &k ,&a , &b, &t);\n  long long int  distance_covered;\n  long long int  walk ;\n  long long int  car_reach ;\n  if(k>=d)\n  {printf(\"%lld\\n\",d*a );}\n  else if( k*a + t < k*b) \n  {printf(\"%lld\\n\",(d/k)*a*k + (d/k-1)*t + min(d%k*a + t, d%k*b));}\n  else \n  {printf(\"%lld\\n\",a*k+(d-k)*b );}\nreturn 0;\n}", "src_uid": "359ddf1f1aed9b3256836e5856fe3466"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\n    int n,c=0,d=0,i,j;\n    scanf(\"%d\",&n);\n    int a[n],b[n];\n    for(i=1;i<=n;i++){\n        scanf(\"%d %d\",&a[i],&b[i]);\n\n    }\n    for(i=1;i<=n;i++){\n        for(j=1;j<=n;j++){\n            if(i!=j){\n            if(a[i]==b[j]){\n                c++;\n            }\n        }\n        }\n    }\n\n\n\n        printf(\"%d\\n\",c);\n\n}\n", "src_uid": "745f81dcb4f23254bf6602f9f389771b"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n\tint a[60]={31,28,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31,31,29,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31};\n\tint n,i,j,b[25],k;\n\t    scanf(\"%d\",&n);\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&b[i]);\n\t}\n\tfor(j=0;j<(60-n);j++)\n\t{\n\t\tk=j;\n\t\ti=0;\n\t\twhile(a[k]==b[i])\n\t\t{\n\t\t\tk++;\n\t\t\ti++;\n\t\t\tif(i==n)\n\t\t\t{\n\t\t\t\tprintf(\"YES\\n\");\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif(i==n)\n\t\t\tbreak;\n\t}\n\tif(i!=n)\n\t\tprintf(\"NO\\n\");\n\t\treturn 0;\n}\n", "src_uid": "d60c8895cebcc5d0c6459238edbdb945"}
{"source_code": "#include <stdio.h>\n#include <stdint.h>\n#include <assert.h>\n\n// we will consider numbers with <= 10^6 digits. Hence, maximal sum of digits is 9*10^6 < 10^7.\n// we can generate all possible sums for excellent numbers:\n//   2^n for n digits of a,b and then we need to sum for n = 1..7, meaning that 2^8 - 2 different possible sums:\n//   1+2+..+2^[n-1] = 2^n - 1, hence 2+..+2^[n-1] = 2^n - 2\n// now for every possible sum we need to solve:\n// ax + by = S\n// x + y = N\n// and this will add binomial(N,x) numbers\n// trivially, writing x = N - y, (b - a)y = S - aN\n\n// to calculate binomial coefficients: it is easy to see that we need not that many of them so it will be easier to calculate them independently\n\nstatic inline int min(int a, int b) { return a < b ? a : b; }\n\nstatic int _sd[254] = {};\nstatic void generate_sd(int a, int b) {\n    int sd_count = 0;\n    for(int i = 1 ; i <= 7 ; ++i) {                // fix number of digits\n        for(int j = 0, jn = 1<<i ; j < jn ; ++j) { // enumerate masks\n            int n = 0, m = j;\n            for(int k = 0, p10 = 1 ; k < i ; ++k, p10 *= 10, m >>= 1)\n                n += p10 * (m & 0x1 ? b : a);\n            assert(sd_count < 254); _sd[sd_count++] = n;\n        }\n    }\n}\n\n#define MOD 1000000007LL\n\nstatic inline int64_t factorial_mod(int n) {\n    int64_t ret = 1;\n    for(int i = 1 ; i <= n ; ++i) ret = (ret*i) % MOD;\n    return ret;\n}\n\ntypedef struct ExtGCD { int64_t a_mul, b_mul, gcd; } ExtGCD;\nstatic inline ExtGCD extended_gcd(uint64_t a, uint64_t b) {\n    int64_t u[] = {1,0,a}, v[] = {0,1,b};\n    while(v[2] > 0) {\n        const int64_t q = u[2]/v[2], t[] = { u[0] - v[0]*q, u[1] - v[1]*q, u[2] - v[2]*q };\n        u[0] = v[0], v[0] = t[0], u[1] = v[1], v[1] = t[1], u[2] = v[2], v[2] = t[2];\n    }\n    return (ExtGCD) {.a_mul = u[0], .b_mul = u[1], .gcd = u[2]};\n}\nstatic int64_t inverse_mod(uint64_t n, uint64_t mod) {\n    ExtGCD gcd = extended_gcd(n, mod); assert(gcd.gcd == 1);\n    return gcd.a_mul < 0 ? gcd.a_mul + mod : gcd.a_mul;\n}\n\nstatic int64_t _NF = 0;\nstatic inline int64_t binomial_mod(int k, int nk) {\n    const int64_t kf = factorial_mod(k), nkf = factorial_mod(nk), denom = (kf*nkf) % MOD;\n    return (_NF * inverse_mod(denom, MOD)) % MOD;\n}\n\nint main() {\n    int A,B,N; scanf(\"%d %d %d\\n\", &A,&B,&N);\n    generate_sd(A,B); _NF = factorial_mod(N);\n\n    int64_t count = 0;\n    for(int si = 0 ; si < 254 ; ++si) {\n        const int ss = _sd[si] - A*N;\n        if(ss % (B-A) == 0) {\n            const int y = ss / (B-A), x = N - y;\n            if(x >= 0 && y >= 0) {\n                count = (count + binomial_mod(y,x)) % MOD;\n            }\n        }\n    }\n    printf(\"%d\\n\", (int)count);\n}\n", "src_uid": "d3e3da5b6ba37c8ac5f22b18c140ce81"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint cmpfunc (const void * a, const void * b)\n{\n    return ( *(int*)a - *(int*)b );\n}\n\nint main()\n{\n    int n,p=0,m=0,i;\n    scanf(\"%d\", &n);\n    getchar();\n    char a[n];\n    for(i=0;i<n;i++)scanf(\"%c\",&a[i]);\n    for(i=0;i<n;i++)\n    {\n        if(a[i]>='A'&&a[i]<='Z')\n        {\n            p++;\n        }\n        if(a[i]==' '||i==n-1)\n        {\n            if(p>m)m=p;\n            p=0;\n        }\n    }printf(\"%d\", m);\n}\n", "src_uid": "d3929a9acf1633475ab16f5dfbead13c"}
{"source_code": "#include <stdio.h>\n\nint main(){\n    int n,m;\n    scanf(\"%d %d\",&n,&m);\n    int i,j,v[50];\n    for(i = 0;i < m;i++){\n        scanf(\"%d\",v+i);\n    }\n\n    int swap;\n\n    for(i = 0;i < m;i++){\n        for(j = i;j < m;j++){\n            if (v[i] > v[j]) {\n                swap = v[j];\n                v[j] = v[i];\n                v[i] = swap;\n            }\n        }\n    }\n\n    int min = 1000,t;\n    int start = 0,end = n-1;\n    for(i = n; i <= m; i++) {\n        t = v[end] - v[start];\n        if (min > t) {\n            min = t;\n        }\n        end++;\n        start++;\n    }\n    printf(\"%d\",min);\n    return 0;\n}\n\n", "src_uid": "7830aabb0663e645d54004063746e47f"}
{"source_code": "#include <stdio.h>\n#define m 1000000007u\n#define lim 5555555\ntypedef long long unsigned llu;\ntypedef unsigned u;\nu F[lim],G[lim];\nint main()\n{\n\tu i,j,k,r=0;\n\tfor(i=1;++i<lim;)\n\t{\n\t\tif(!F[i])for(j=0;(j+=i)<lim;)if(!F[j])F[j]=i;\n\t\tj=i/F[i];\n\t\tG[i]=(G[j]+j*(llu)((F[i]*(llu)(F[i]-1)>>1)%m))%m;\n\t}\n\tfor(scanf(\"%u%u%u\",&k,&i,&j);j>=i;--j)r=(G[j]+r*(llu)k)%m;\n\tprintf(\"%u\\n\",r);\n\treturn 0;\n}", "src_uid": "c9d45dac4a22f8f452d98d05eca2e79b"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n   int x[9]={0}, i, j;\n   char a[82], b[11];\n   scanf(\"%s\", a);\n   for(i=0; i<10; i++)\n   {\n       scanf(\"%s\", b);\n       for(j=0; j<8; j++)if(x[j]==0 && strncmp(b, &a[j*10], 10)==0)x[j]=i;\n   }\n   for(i=0; i<8; i++)printf(\"%d\", x[i]);\n}", "src_uid": "0f4f7ca388dd1b2192436c67f9ac74d9"}
{"source_code": "#include <stdio.h>\nconst long long MOD = 1e9 + 7;\nstruct A{int first; int second;};\nstruct A fibp(long long n) {\n    long long a = 1, b = 0;\n    long long s = 0, r = 1;\n    for ( ; n; n >>= 1) {\n        if (n & 1) {\n            long long na = (a*s + b*r) % MOD;\n            long long nb = (a*r + b*s + b*r) % MOD;\n            a = na;\n            b = nb;\n        }\n        long long ns = (s*s + r*r) % MOD;\n        long long nr = (2*s*r + r*r) % MOD;\n        s = ns;\n        r = nr;\n    }\n    struct A res;\n    res.first = a;\n    res.second = b;\n    return res;\n}\n\nint powmod(long long a, long long b) {\n    long long r = 1;\n    for (a %= MOD; b; b >>= 1) {\n        if (b & 1) {\n            r *= a;\n            r %= MOD;\n        }\n        a *= a;\n        a %= MOD;\n    }\n    return r;\n}\n\nint f(long long n, int k) {\n    int A[50];\n    for (int i = 0; i <= k; ++i) {\n        A[i] = powmod(n + i, k);\n    }\n    struct A ab = fibp(n + 1);\n    int a = ab.first, b = ab.second;\n    int r = 0;\n    for (int lA = k + 1; lA; --lA) {\n        a += b; if (a >= MOD) {a -= MOD;}\n        b += a; if (b >= MOD) {b -= MOD;}\n        r += (long long)A[0] * a % MOD; if (r >= MOD) {r -= MOD;}\n        for (int i = 0; i < lA - 1; ++i) {\n            A[i] -= A[i + 1]; if (A[i] < 0) {A[i] += MOD;}\n        }\n    }\n    return r;\n}\n\nint main(void) {\n    long long n;\n    int k;\n    scanf(\"%lld%d\", &n, &k);\n    int ans = f(n + 1, k) - f(1, k); if (ans < 0) {ans += MOD;}\n    printf(\"%d\\n\", ans);\n    return 0;\n}", "src_uid": "14f50a111db268182e5927839a993118"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\nlong long arr[2000001],brr[2000001],mod=1000000000+7;\nchar str[2000001],s1[2000001];\nint func(const void *a, const void *b)\n{\n\treturn (*(int*)a-*(int*)b);\n}\nlong long max(long long a, long long b)\n{\n\treturn (a>b)?a:b;\n}\nlong long min(long long a, long long b)\n{\n\treturn (a>b)?b:a;\n}\nlong long power(long long  x, long long  int y, long long p)\n{\n\tlong long int res = 1;\n\tx = x % p; \n\twhile (y > 0)\n\t{\n\t\tif (y & 1)\n\t\t\tres = (res*x) % p;\n\t\ty = y>>1; // y = y/2\n\t\tx = (x*x) % p;  \n\t}\n\treturn res;\n}\nint main()\n{\n\tlong long int sum=0,a,b,x,y,n, m,temp,flag=0,index,len, i, j, k, count=0, ans=0;\n\tscanf(\"%lld\", &n);\n\tprintf(\"%lld 2\\n\",2*n-1);\n\tprintf(\"1 2\\n\");\n\n\n\treturn 0;\n}\n", "src_uid": "5c000b4c82a8ecef764f53fda8cee541"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n\n{\n    char col ; long long int row , ans = 0, final= 0, segment = 0;\n    scanf(\"%I64d%ch\",&row,&col);\n    if( col == 'f')\n        final = 1;\n    else if(col == 'e')\n        final = 2;\n    else if(col == 'd')\n        final = 3;\n    else if(col == 'a')\n        final = 4;\n    else if(col == 'b')\n        final = 5;\n    else if(col == 'c')\n        final = 6;\n    segment = row / 4 ;\n    if( row == 4 || ( (segment * 4)  == row ) )\n        segment --;\n\n    if(row % 2 == 0 && row % 4 != 0 )\n    {\n        ans = (segment)*12 + final + (row - 1)*1 + 6;\n    }\n    else if(row %2 == 0 && (row % 4 == 0 ) )\n    {\n        ans = (segment)*12 + final + (row - 3)*1 + 6;\n    }\n    else if(row %2 != 0 && (row + 1) % 4 != 0)\n    {\n        ans = segment * 12 + final + (row - 1)*1;\n    }\n    else\n        ans = segment * 12 + final + (row - 3)*1;\n    printf(\"%I64d\",ans);\n\n\n}\n\n\n", "src_uid": "069d0cb9b7c798a81007fb5b63fa0f45"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long int a,b,ta,tb,js1,js2,t;\n    while(scanf(\"%ld %ld\",&a,&b)!=EOF)\n    {\n        ta=a;\n        tb=b;\n        js1=0;\n        js2=0;\n        while(tb!=0)\n        {\n            t=ta%tb;\n            ta=tb;\n            tb=t;\n        }\n        a/=ta;\n        b/=ta;\n        js1=b-1;\n        js2=a-1;\n        if(a>b)js1++;\n        else js2++;\n        if(js1>js2)printf(\"Dasha\\n\");\n        else if(js1<js2)printf(\"Masha\\n\");\n        else if(js1==js2)printf(\"Equal\\n\");\n    }\n    return 0;\n}\n/*之前总是答案错误，后来发现a和b必须最大公约数是1才行*/\n \t\t\t\t\t \t \t\t\t\t\t  \t\t\t   \t  \t", "src_uid": "06eb66df61ff5d61d678bbb3bb6553cc"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char q[10],e[10],w[10];\n    int a=0,b=1,c,l;\n    scanf(\"%s%s%s\",q,e,w);\n    l=strlen(q);\n    while (l--)\n        a+=(q[l]-48)*b,b*=10;\n    l=strlen(w);\n    if (l==5)\n    {\n        if (a==31) c=7;\n        else if (a==30) c=11;\n        else c=12;\n    }\n    else\n        {\n            if (a==5||a==6) c=53;\n            else c=52;\n        }\n        printf(\"%d\\n\",c);\n        return 0;\n}/*2016-02-28 19:27:00.735*/", "src_uid": "9b8543c1ae3666e6c163d268fdbeef6b"}
{"source_code": "#include<stdio.h>\nint main () {\n\tint k,p,a,a1,a2,b,b1,b2,t;\n\tscanf(\"%d%d%d\\n%d%d%d\",&a,&a1,&a2,&b,&b1,&b2);\n\tscanf(\"%d\",&t);\n\tk=a+a1+a2;\n\tp=b+b1+b2;\n\tprintf((t>=((k)/5+((k)%5!=0))+((p)/10+((p)%10!=0)))?\"YES\":\"NO\");\n}\n\n\n", "src_uid": "fe6301816dea7d9cea1c3a06a7d1ea7e"}
{"source_code": "#include <stdio.h>\nint main()\n{\n    int n;\n    scanf(\"%d\", &n);\n    int sum = 0, tmp;\n    for(int i = 0; i < n; i++)\n    {\n        scanf(\"%d\", &tmp);\n        sum += tmp;\n    }\n    for(int i = 0; i < n; i++)\n    {\n        scanf(\"%d\", &tmp);\n        sum -= tmp;\n    }\n    if(sum >= 0)\n        printf(\"YES\\n\");\n    else\n        printf(\"NO\\n\");\n    return 0;\n}", "src_uid": "e0ddac5c6d3671070860dda10d50c28a"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<String.h>\nint main(){\n    int num,i,k,j,temp,f=0;\n    scanf(\"%d \",&num);\n    temp=num;\n    char a[num+1][8];\n    for(i=0;i<=num;i++){\n  gets(a[i]);\n    }\n  char b[3],c[3];\nstrcpy(b,a[0]);\n\n\nc[0]=a[temp][5];\nc[1]=a[temp][6];\nc[2]=a[temp][7];\n\n\nif(temp%2==0)\n{\n    printf(\"home\");\n}\n\nelse printf(\"contest\");\n}\n", "src_uid": "51d1c79a52d3d4f80c98052b6ec77222"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n\ntypedef int iii[3];\n\nint main() {\n\tint i, j, n, m, cnt;\n\tstatic iii *ee;\n\tstatic int *aa;\n\tstatic char *s;\n\n\tscanf(\"%d%d\", &n, &m);\n\tee = calloc(n + 1, sizeof(*ee));\n\taa = malloc(sizeof(*aa) * 4 * n);\n\ts = malloc((n + 2) * sizeof(*s));\n\tmemset(s + 1, '0', n);\n\ts[n + 1] = '\\0';\n\twhile (m-- > 0) {\n\t\tint u, v;\n\n\t\tscanf(\"%d%d\", &u, &v);\n\t\tfor (j = 0; j < 3; j++)\n\t\t\tif (ee[u][j] == 0) {\n\t\t\t\tee[u][j] = v;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tfor (j = 0; j < 3; j++)\n\t\t\tif (ee[v][j] == 0) {\n\t\t\t\tee[v][j] = u;\n\t\t\t\tbreak;\n\t\t\t}\n\t}\n\tfor (i = 0; i < n; i++)\n\t\taa[i] = i + 1;\n\tcnt = n;\n\twhile (cnt > 0) {\n\t\tint a, k;\n\n\t\ta = aa[--cnt];\n\t\tk = 0;\n\t\tfor (j = 0; j < 3; j++)\n\t\t\tif (ee[a][j] > 0 && s[a] == s[ee[a][j]])\n\t\t\t\tk++;\n\t\tif (k > 1) {\n\t\t\ts[a] = s[a] == '1' ? '0' : '1';\n\t\t\tfor (j = 0; j < 3; j++)\n\t\t\t\tif (ee[a][j] > 0)\n\t\t\t\t\taa[cnt++] = ee[a][j];\n\t\t}\n\t}\n\tprintf(\"%s\\n\", s + 1);\n\treturn 0;\n}\n", "src_uid": "7017f2c81d5aed716b90e46480f96582"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint compare_function(const void *a,const void *b) {\n    int *x = (int *) a;\n    int *y = (int *) b;\n    return *x - *y;\n}\n\nvoid print_array(int a[], int size) {\n    printf(\"[\");\n    for (int i = 0; (i < size); i++) {\n        printf(\"%d \", a[i]);\n    }\n    printf(\"]\\n\");\n}\n\n\nint main(void) {\n    int len;\n    int input;\n    int number_paints = 0;\n    int in = 0;\n\n    scanf(\"%d\", &len);\n    int colors[len];\n    int check[len];\n    \n\n    for(int i = 0; i < len; i++) {\n        scanf(\"%d\", &input);\n        colors[i] = input;\n        //printf(\"EEEE: %d\", colors[i]);\n    }   \n\n    //print_array(colors, len);\n\n    qsort(colors, sizeof(colors)/sizeof(colors[0]), sizeof(colors[0]), compare_function);\n\n    //print_array(colors, len);\n\n    check[0] = colors[0];\n    number_paints += 1;\n\n\n    for (int color_iter = 0; color_iter < len; color_iter++) {\n        for (int check_iter = 0; check_iter < number_paints; check_iter++) {\n            if (colors[color_iter] % check[check_iter] == 0) {\n                 in = 1;\n                break;\n            }\n\n            else {\n                in = 0;\n            }\n\n        }\n        if (!in) {\n            //printf(\"THIS RUNS\\n\");\n            check[number_paints] = colors[color_iter]; \n            number_paints += 1;\n            in = 1;\n\n        }\n        //print_array(check, number_paints);\n    }\n\n    printf(\"%d\" , number_paints);\n\n    return 0;\n\n}", "src_uid": "63d9b7416aa96129c57d20ec6145e0cd"}
{"source_code": "//Lagrange kth power sum\n//Educational CF R7-F\n//https://codeforces.com/contest/622/problem/F\n//https://ja.wikipedia.org/wiki/%E3%83%A9%E3%82%B0%E3%83%A9%E3%83%B3%E3%82%B8%E3%83%A5%E8%A3%9C%E9%96%93\n\n#include<stdio.h>\n#define mod 1000000007\n#define maxdeg 1048576\n\nlong long power(long long a,long long b){\n  long long x=1,y=a;\n  while(b>0){\n    if(b&1ll){\n      x=(x*y)%mod;\n    }\n    y=(y*y)%mod;\n    b>>=1;\n  }\n  return x%mod;\n}\n\nlong long modular_inverse(long long n){\n  return power(n,mod-2);\n}\n\nlong long factorial[maxdeg];\nlong long invfact[maxdeg];\n\nvoid cfact(){\n  long long i;\n  factorial[0]=1;\n  factorial[1]=1;\n  for(i=2;i<maxdeg;i++){\n    factorial[i]=factorial[i-1]*i;\n    factorial[i]%=mod;\n  }\n  invfact[maxdeg-1]=modular_inverse(factorial[maxdeg-1]);\n  for(i=maxdeg-2;i>=0;i--){\n    invfact[i]=invfact[i+1]*(i+1);\n    invfact[i]%=mod;\n  }\n}\n\n// k...polynominal degree (there must be k+1 data)\n// f(i) = a[i] (0 <= i <= k)\n// a[i] must be 0 <= a[i] < mod\n// return : f(x)\n// complexity = O(k log mod)\nlong long lagrange_liner(long long x,long long k,long long a[]){\n  if(x<=k){return a[x];}\n  long long i,bsnmr=1,nmr,dmn,res=0,rev=modular_inverse(mod-1),lv;\n  for(i=0;i<=k;i++){bsnmr*=(mod+x-i);bsnmr%=mod;}\n  for(i=0;i<=k;i++){\n    nmr=(bsnmr*modular_inverse((mod+x-i)%mod))%mod;\n    dmn=invfact[i]*invfact[k-i];dmn%=mod;\n    if((k-i)&1ll){dmn*=rev;dmn%=mod;}\n    lv=(nmr*dmn)%mod;\n    res+=lv*a[i];\n    res%=mod;\n  }\n  return res;\n}\n\n//0^k + 1^k + 2^k + ... + n^k\nlong long kth_power_sum(long long n,long long k){\n  long long i,deg=k+1,a[maxdeg];\n  a[0]=0;\n  for(i=1;i<=deg;i++){a[i]=a[i-1]+power(i,k);a[i]%=mod;}\n  return lagrange_liner(n,deg,a);\n}\n\nint main(){\n  cfact();\n  long long n,k;\n  scanf(\"%lld%lld\",&n,&k);\n  printf(\"%lld\\n\",kth_power_sum(n,k));\n  return 0;\n}\n", "src_uid": "6f6fc42a367cdce60d76fd1914e73f0c"}
{"source_code": "#include<stdio.h>\nint judge(int n)\n{\n\tfor(;;)\n\t{\n\t\tif(n%2!=0)\n\t\t\tbreak;\n\t\tn/=2;\n\t}\n\tif(n==1)\n\t\treturn 1;\n\telse\n\t\treturn 0;\n}\nint main()\n{\n\tint n;\n\twhile(scanf(\"%d\",&n) != EOF)\n\t{\n\t\tif(judge(n))\n\t\t\tprintf(\"YES\\n\");\n\t\telse\n\t\t\tprintf(\"NO\\n\");\n\t}\n\treturn 0;\n}", "src_uid": "4bd174a997707ed3a368bd0f2424590f"}
{"source_code": "#include<stdio.h>\nmain()\n{\n\n\nlong long int p,q,x,y,movep,movev;\n\nscanf(\"%I64d%I64d%I64d%I64d\",&p,&q,&x,&y);\nmovep=p+q;\nmovev=x>=y?x:y;\nif(p>=x && q>=y)\n    printf(\"Vasiliy\");\n\nelse if(x>=p && y>=q)\n    printf(\"Polycarp\");\n\n\nelse if(movev>=movep)\n\n       printf(\"Polycarp\");\n\n\n\n\nelse if(movev<movep)\n\n       printf(\"Vasiliy\");\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n}\n", "src_uid": "2637d57f7809ff8f922549c617709074"}
{"source_code": "#include <stdio.h>\n#include<string.h>\n#include<math.h>\n\nint main()\n{\n    char s1[1000],s2[1000];\n    fgets(s1,1000,stdin);\n    fgets(s2,1000,stdin);\n    int i,j,l;\n    l=strlen(s1)-1;\n    char s3[l],c;c='0';\n    for(i=l;i>=0;i--)\n    {\n        if(s1[i]=='0'&&s2[i]=='0')\n        {\n            s3[i]='0';\n        }\n        else if(s1[i]=='0'&&s2[i]=='1')\n        {\n            s3[i]='1';\n        }\n        else if(s1[i]=='1'&&s2[i]=='0')\n        {\n            s3[i]='1';\n        }\n        else if(s1[i]=='1'&&s2[i]=='1')\n        {\n            s3[i]='0';\n        }\n    }\n    s3[l]='\\0';\n    printf(\"%s\",s3);\n    return 0;\n}", "src_uid": "3714b7596a6b48ca5b7a346f60d90549"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#include<math.h>\n\nlong long int solve(int N)\n{\n\tint i;\n\tlong long int x;\n\tlong long int mod = 1000000007;\n\tlong long int f = 1;\n\tlong long int p = 1;\n\t\n\tfor(i=1;i<=N;i++)\n\t{\n\t\tf *= i;\n\t\tf %= mod;\n\t}\n\n\tfor(i=1;i<N;i++)\n\t{\n\t\tp *= 2;\n\t\tp %= mod;\n\t}\n\t\n\t\n\treturn (f-p+mod)%mod;\n}\n\nint main()\n{\n\t// variable in description\n\t//int T;\n\tint N;\n\t// variable to support\n\tlong long int ans;\n\t\n\t// variable to judge\n\tint i;\n\tint j;\n\tint k;\n\t\n\tscanf(\"%d\",&N);\n\t\n\tans = solve(N);\n\t\n\tprintf(\"%lld\\n\",ans);\n\t\n\treturn 0;\n}\n", "src_uid": "3dc1ee09016a25421ae371fa8005fce1"}
{"source_code": "#include<stdio.h>\nint main()\n{int i,j,k[100005]={0},m,a,b,r;\nscanf(\"%d %d %d %d\",&a,&b,&m,&r);\nk[r]=1;j=0;\nfor(i=2;i<=(m+1);i++)\n{r=(a*r+b)%m;\nif(k[r]>0)\n{\n    printf(\"%d\",i-k[r]);\n    break;\n}\nelse\n{\n    k[r]=i;\n}\n\n}\nreturn 0;\n}\n", "src_uid": "9137197ee1b781cd5cc77c46f50b9012"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n\n#define K\t2000000\n#define MD\t1000000007\n\nlong long power(int a, int k) {\n\tlong long p;\n\n\tif (k == 0)\n\t\treturn 1;\n\tp = power(a, k >> 1);\n\tp = p * p % MD;\n\tif (k & 1)\n\t\tp = p * a % MD;\n\treturn p;\n}\n\nint main() {\n\tstatic int cc[K + 1], pp[K + 1], dd[K + 1];\n\tint n, k, a, a2, b, i, ans;\n\t\n\tscanf(\"%d%d\", &n, &k);\n\tfor (a = 2; a <= k; a++) {\n\t\tif (cc[a])\n\t\t\tcontinue;\n\t\tfor (b = a; b <= k; b += a)\n\t\t\tcc[b]++;\n\t}\n\tfor (a = 2; (a2 = a * a) <= k; a++)\n\t\tfor (b = a2; b <= k; b += a2)\n\t\t\tcc[b] = 0;\n\tfor (i = 1; i <= k; i++)\n\t\tpp[i] = power(i, n);\n\tfor (a = 2; a <= k; a++) {\n\t\tif (cc[a] == 0)\n\t\t\tcontinue;\n\t\tfor (i = 1; i * a <= k; i++) {\n\t\t\tint l = i * a, r = (i + 1) * a;\n\t\t\tint p = cc[a] % 2 == 0 ? pp[i] : -pp[i];\n\n\t\t\tdd[l] = (dd[l] + p) % MD;\n\t\t\tif (r <= k)\n\t\t\t\tdd[r] = (dd[r] - p) % MD;\n\t\t}\n\t}\n\tans = 0;\n\tfor (i = 1; i <= k; i++) {\n\t\tint x;\n\n\t\tdd[i] = (dd[i] + dd[i - 1]) % MD;\n\t\tx = (pp[i] + dd[i]) % MD;\n\t\tif (x < 0)\n\t\t\tx += MD;\n\t\tans = (ans + (x ^ i)) % MD;\n\t}\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "122c08aa91c9a9d6a151ee6e3d0662fa"}
{"source_code": "#include<stdio.h>\n#define m 10*hundreds+tens\n\nint main()\n{\n    int hundreds, tens, i, x, y;\n    scanf(\"%d %d\", &hundreds, &tens);\n    for(i=1; (tens>=22) || (hundreds>0 && tens>=12) || (hundreds>=2 && tens>=2); i++)\n    {\n        if(i%2)\n        {\n            if(hundreds>=2)\n            {\n                hundreds-=2;\n                tens-=2;\n            }\n            else if(hundreds>=1)\n            {\n                hundreds-=1;\n                tens-=12;\n            }\n            else\n            {\n                tens-=22;\n            }\n        }\n        else\n        {\n            if(tens>=22)\n            {\n                tens-=22;\n            }\n            else if(tens>=12)\n            {\n                tens-=12;\n                hundreds-=1;\n            }\n            else\n            {\n                tens-=2;\n                hundreds-=2;\n            }\n        }\n    }\n    if(i%2) printf(\"Hanako\");\n    else printf(\"Ciel\");\n    return 0;\n}\n", "src_uid": "8ffee18bbc4bb281027f91193002b7f5"}
{"source_code": "#include<ctype.h>\n#include<limits.h>\n#include<math.h>\n#include<stdbool.h>\n#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n\nint main(void)\n{\n    long long x, y, z, k;\n\n    scanf(\"%I64d%I64d%I64d%I64d\", &x, &y, &z, &k);\n\n    long long a = 1, b = 1, c = 1;\n    int i = 0;\n    while(i < k)\n    {\n        if(i < k && x > 1)\n        {\n            x--;\n            a++;\n            i++;\n        }\n        if(i < k && y > 1)\n        {\n            y--;\n            b++;\n            i++;\n        }\n        if(i < k && z > 1)\n        {\n            z--;\n            c++;\n            i++;\n        }\n        if(x == 1 && y == 1 && z == 1)\n            i = k;\n    }\n\n    printf(\"%I64d\", a * b * c);\n\n\n\n\n    return 0;\n}\n", "src_uid": "8787c5d46d7247d93d806264a8957639"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define LMT 105\n\nchar work[LMT];\nint len, n, dp[2][LMT << 1][LMT][52];\n\nint\nmax (int x, int y)\n{\n  return x > y ? x : y;\n}\n\nint\ndfs (int dre, int pos, int i, int cn)\n{\n  if (cn < 0)\n    return 0;\n\n  if (!work[i])\n    return cn > 0 ? 0 : abs (pos);\n\n  if (dp[dre][pos + 100][i][cn] != -1)\n    return dp[dre][pos + 100][i][cn];\n\n  int mv = dre ? 1 : -1;\n  int x = dfs (dre, pos + mv, i + 1, cn - (work[i] != 'F'));\n  int y = dfs (!dre, pos, i + 1, cn - (work[i] != 'T'));\n  dp[dre][pos + 100][i][cn] = max (x, y);\n  return dp[dre][pos + 100][i][cn];\n}\n\nint\nmain ()\n{\n  int ans = 0;\n  scanf (\"%s%d\", work, &n);\n  memset (dp, -1, sizeof (dp));\n  for (; n >= 0; n -= 2)\n    ans = max (ans, dfs (1, 0, 0, n));\n  printf (\"%d\\n\", ans);\n  return 0;\n}\n", "src_uid": "4a54971eb22e62b1d9e6b72f05ae361d"}
{"source_code": "#include<stdio.h>\n\nint main(){\n\tint n,k,I,aux=0,J;\n\tscanf(\"%d%d\",&n,&k);\n\tint a[n];\n\tfor(I=0;I<n;I++){\n\t\tscanf(\"%d\",&a[I]);\n\t}\n\tfor(I=0;I<n;I++){\n\t\tfor(J=I+1;J<n;J++){\n\t\t\tif(a[I]==a[J]){\n\t\t\t\ta[J]=0;\n\t\t\t}\n\t\t}\n\t}\n\tfor(I=0;I<n;I++){\n\t\tif(a[I]!=0){\n\t\t\taux++;\n\t\t}\n\t}\n\tJ=0;\n\tif(aux>=k){\n\t\tprintf(\"YES\\n\");\n\t\tfor(I=0;I<n;I++){\n\t\t\tif(a[I]!=0 && J<k){\n\t\t\t\tprintf(\"%d \", I+1);\n\t\t\t\tJ++;\n\t\t\t}\n\t\t}\n\t}\n\telse{\n\t\tprintf(\"NO\");\n\t}\n\treturn 0;\n}\n", "src_uid": "5de6574d57ab04ca195143e08d28d0ad"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{int i,j=0,n,l,t,b[26]={0},c[26]={0};char a[105]={'\\0'};\nscanf(\"%d\",&n);\nscanf(\"%s\",a);\nt=strlen(a);\n\nfor(i=0;i<t;i++)\n{if(a[i]=='?')\n{if(a[t-1-i]=='?')\nj++;}\nelse\n{\n    b[a[i]-97]++;\n}}\nl=0;j=(j+1)/2;\nfor(i=0;i<n;i++)\nif(b[i]==0)\nc[l++]=i;j=j-l;\nl=0;\nif(j>=0)\nfor(i=0;i<(t+1)/2;i++)\n{if(a[i]==a[t-1-i]&&a[i]=='?')\n{if(j>0)\n{\n    a[i]='a';a[t-1-i]='a';j--;\n}\nelse\n{a[i]=c[l++]+97;a[t-1-i]=a[i];\n}}\nelse if(a[i]!=a[t-i-1])\n{\n    if(a[i]=='?'||a[t-1-i]=='?')\n    {if(a[i]=='?')\n    a[i]=a[t-1-i];\n    else\n    {a[t-1-i]=a[i];}\n\n    }\n    else\n    {V:\n        printf(\"IMPOSSIBLE\");\n        goto flag;\n    }\n}\n}else\ngoto V;\nprintf(\"%s\",a);\nflag:\nreturn 0;\n}\n", "src_uid": "9d1dd9d722e5fe46823224334b3b208a"}
{"source_code": "#include<stdio.h>\n\nint determine(int set1, int set2, int set4,int n)\n{\n\tint temp = set2 - 2 * n;\n\tint x;\n\tif (temp > set1)\n\t\tx = set4 + set1 + (temp - set1 + 1) * 2 / 3;\n\telse\n\t\tx = set4 + temp + (set1 - temp + 1) / 2;\n\tif (x <= n)\n\t\treturn 1;\n\telse\n\t\treturn 0;\n}\n\nint main()\n{\n\tint n, k, i, set1, set2, set4, temp;\n\tscanf(\"%d %d\", &n, &k);\n\tset1 = 0;\n\tset2 = 0;\n\tset4 = 0;\n\tfor (i = 0; i < k; i++) {\n\t\tscanf(\"%d\", &temp);\n\t\tset4 += temp / 4;\n\t\ttemp %= 4;\n\t\tset2 += temp / 2;\n\t\ttemp %= 2;\n\t\tset1 += temp;\n\t}\n\tif (set1 * 2 + set2 * 2 + set4 * 4 <= n * 8 && determine(set1, set2, set4, n))\n\t\tprintf(\"YES\\n\");\n\telse\n\t\tprintf(\"NO\\n\");\n\treturn 0;\n}", "src_uid": "d1f88a97714d6c13309c88fcf7d86821"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n#define NUMSIZE 15 \n\nint cmp (const void *a, const void *b)\n{\n\treturn *(char *)b - *(char *)a;\n}\n\nint main()\n{\n\t/* 4 -- ����� ����� ������� ������ ������ (��� 8 � 9) */\n\tchar a[NUMSIZE + 1], x[4 * NUMSIZE + 1] = \"\", strchg[][8] = {\"\", \"\", \"2\", \"3\", \"322\", \"5\", \"53\", \"7\", \"7222\", \"7332\"};\n\tint i;\n\n\tscanf (\"%*d\\n\");\n\tgets (a);\n\n\tfor (i = 0; a[i]; i++)\n\t\tstrcat (x, strchg[a[i] - '0']); \n\n\tqsort (x, strlen(x), 1, cmp);\n\n\tputs (x);\n\n\treturn 0;\n}\n", "src_uid": "60dbfc7a65702ae8bd4a587db1e06398"}
{"source_code": "#include <stdio.h>\n\nenum {\n    M = 4,\n    D = 13,\n    MAX = M * D + 2\n};\n\ntypedef struct Card {\n    int d, m;\n} Card;\n\nCard a[MAX][MAX];\nchar n2m[M] = {'C', 'D', 'H', 'S'};\nchar n2d[D] = {'2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A'};\n\nint\nm2n(char m)\n{\n    switch (m) {\n    case 'C':\n        return 0;\n    case 'D':\n        return 1;\n    case 'H':\n        return 2;\n    case 'S':\n        return 3;\n    default:\n        return -1;\n    }\n}\n\nint\nd2n(char d)\n{\n    switch (d) {\n    case 'T':\n        return 8;\n    case 'J':\n        return 9;\n    case 'Q':\n        return 10;\n    case 'K':\n        return 11;\n    case 'A':\n        return 12;\n    default:\n        return d - '2';\n    }\n}\n\nint\ngood(int r, int c)\n{\n    int m = a[r][c].m;\n    int goodm = 1;\n    int ud[D] = {};\n    int goodd = 1;\n    int i, j;\n    for (i = r; i < r + 3; ++i) {\n        for (j = c; j < c + 3; ++j) {\n            goodm &= (a[i][j].m == m);\n            goodd &= (ud[a[i][j].d] == 0);\n            ud[a[i][j].d] = 1;\n        }\n    }\n    return goodm || goodd;\n}\n\nint\nmain(void)\n{\n    //freopen(\"input.txt\", \"r\", stdin);\n    //freopen(\"output.txt\", \"w\", stdout);\n\n    int n, m, i, j;\n    char s[MAX];\n    int j1r, j1c, j2r, j2c;\n    j1r = j1c = j2r = j2c = -1;\n    int used[M][D] = {};\n    scanf(\"%d %d\", &n, &m);\n    for (i = 0; i < n; ++i) {\n        for (j = 0; j < m; ++j) {\n            scanf(\"%s\", s);\n            a[i][j].d = d2n(s[0]);\n            a[i][j].m = m2n(s[1]);\n            if (s[1] == '1') {\n                j1r = i;\n                j1c = j;\n            } else if (s[1] == '2') {\n                j2r = i;\n                j2c = j;\n            } else {\n                used[a[i][j].m][a[i][j].d] = 1;\n            }\n        }\n    }\n\n    int m1, d1, m2, d2, r1, c1, r2, c2;\n    for (m1 = 0; m1 < M; ++m1) {\n        for (d1 = 0; d1 < D; ++d1) {\n            if (used[m1][d1]) continue;\n            used[m1][d1] = 1;\n            if (j1r > -1) {\n                a[j1r][j1c].d = d1;\n                a[j1r][j1c].m = m1;\n            }\n            for (m2 = 0; m2 < M; ++m2) {\n                for (d2 = 0; d2 < D; ++d2) {\n                    if (used[m2][d2]) continue;\n                    used[m2][d2] = 1;\n                    if (j2r > -1) {\n                        a[j2r][j2c].d = d2;\n                        a[j2r][j2c].m = m2;\n                    }\n\n                    for (r1 = 0; r1 < n - 2; ++r1) {\n                        for (c1 = 0; c1 < m - 2; ++c1) {\n                            for (r2 = r1; r2 < n - 2; ++r2) {\n                                for (c2 = 0; c2 < m - 2; ++c2) {\n                                    if ((r2 < r1 + 3) && ((c2 >= c1 && c2 < c1 + 3) || (c2 + 2 >= c1 && c2 + 2 < c1 + 3))) continue;\n                                    if (good(r1, c1) && good(r2, c2)) {\n                                        printf(\"Solution exists.\\n\");\n                                        if (j1r == -1 && j2r == -1) {\n                                            printf(\"There are no jokers.\\n\");\n                                        } else if (j1r == -1) {\n                                            printf(\"Replace J2 with %c%c.\\n\", n2d[d2], n2m[m2]);\n                                        } else if (j2r == -1) {\n                                            printf(\"Replace J1 with %c%c.\\n\", n2d[d1], n2m[m1]);\n                                        } else {\n                                            printf(\"Replace J1 with %c%C and J2 with %c%c.\\n\", n2d[d1], n2m[m1], n2d[d2], n2m[m2]);\n                                        }\n                                        printf(\"Put the first square to (%d, %d).\\n\", r1 + 1, c1 + 1);\n                                        printf(\"Put the second square to (%d, %d).\\n\", r2 + 1, c2 + 1);\n                                        return 0;\n                                    }\n                                }\n                            }\n                        }\n                    }\n                    used[m2][d2] = 0;\n                }\n            }\n            used[m1][d1] = 0;\n        }\n    }\n    printf(\"No solution.\\n\");\n\n    return 0;\n}\n", "src_uid": "b3f29d9c27cbfeadb96b6ac9ffd6bc8f"}
{"source_code": "#include<stdio.h>\nint a[10][260]=\n{\n{0},\n{2,1},\n{32,30,80,109},\n{6824,59808,147224,415870,1757896,1897056,4898872,7593125},\n{776830421,290516100,746623577,293783147,33900006,735127505,565460332,428982705,472062098,161873957,117354594,515619293,578944191,312106242,569389279,391464593},\n{261086313,584837659,683961846,468868529,211593382,736955478,229471758,157617135,398169441,360252438,629394768,264125799,647490480,342079395,391579767,225200475,486011304,513156108,628771752,132906648,142138221,20119449,444199674,195188679,387329805,44684703,651912135,737154512,612549793,519860281,186175544,212568440},\n{240805271,239509872,581127897,6511239,156126222,509425833,672407328,366667722,459185405,509737025,554790222,165216555,703150560,74806569,398730015,383350905,506108358,51326142,298053147,104256117,391428765,374020479,206607807,87664059,275899176,56407680,551553401,448939463,582889860,129676638,226078251,135769095,61292868,578972226,190181628,390739055,184587732,446575689,732674124,232198470,676760679,352474101,611444862,575661807,628905585,320813094,522840969,469781928,156006018,554473341,239654268,643714911,433540170,199307003,496385218,291740751,67309914,370826673,202356819,279421821,421203111,63744786,520987612,550671827},\n{482164403,768209115,462063756,154906374,36099042,341766705,678182556,621882744,478771358,231881111,175889805,243630450,168908523,671961765,55761813,652682670,773939082,517628076,756201264,124604900,750976272,498253248,676047609,137170026,705610017,495032139,561797418,703097347,500815609,95984586,739707108,265613565,387099846,777331779,594676173,591219559,407997044,208947235,93337440,478908360,685013007,487033953,671903001,39521181,738490312,33785059,465470131,310453920,54648783,346831137,427694175,474743430,705296781,435828036,429824745,663532359,261388683,244690731,533997135,596108961,506813013,371892402,590145264,104733162,143420103,654339672,700348950,685038942,578826927,286484229,501639192,434962491,299270097,27702486,335375775,111746817,565603164,294926121,676063665,735862995,710035809,437011960,668528077,138765186,508213986,615036450,353784942,624827616,343900011,241289776,52410890,72018835,352406796,415705878,4802637,376367145,65589678,333633477,341834527,303717460,282387700,42951006,254706039,423048528,526429710,68131467,669954708,12787348,500636381,317959019,479433192,657133515,416259390,610216692,340129188,44594256,257373347,138718678,530767740,292922628,37220268,605295159,480722613,458170419,30540300,487159055,232966794,149150650},\n{412133651,386543325,139952108,289303402,102404925,317067177,396414708,80515854,663739304,317300809,228877044,493725043,715317967,490300965,315527373,743539734,488329191,553627998,533025234,242583957,706116537,614109258,645447222,523195911,492109128,722623041,111085128,766395126,654378921,691964847,496688157,399056049,654363234,102052314,191720088,473910948,259736526,332840025,388047555,665791056,627111387,139696515,441456687,443032569,283264821,771641703,452641455,511306362,117572859,127701891,721298331,176520078,357242229,611296308,696994956,405628839,429224274,465336054,695091546,689828796,574648641,351220905,507964023,675326610,517248963,453528621,220301928,494463186,681789969,339589656,44524053,417125457,339589404,747135963,341780733,734158215,396817281,21997836,5728464,147611205,456248898,714128667,377654949,3862068,128418948,589390074,304947090,11703825,228266073,127304142,429215724,361541124,521572968,468358191,341231688,65323503,613778508,15985323,291661029,410970006,591638112,349541550,89967528,224922159,361094166,584206074,640051812,324264456,652625388,693768537,11740617,309238398,211085469,194905872,639416484,110110707,296645895,748118511,131177718,511142751,775975599,421403409,475528473,434685258,1768977,80301375,708023862,569195676,56238084,632887668,88089750,631539342,396695565,38780154,695798271,469819224,439587099,69045921,682966116,112310856,64943298,534475872,40215357,389728458,286368453,736006257,501181650,54829908,603489402,338032656,512182818,627500097,462674016,3103092,157324491,43978329,596818971,259025598,9088632,91991781,577291428,211245489,429471231,142626330,172560633,510907446,444609585,758102058,375112647,744786693,276174402,19259856,233672418,745389414,225772848,23385663,324290610,519804558,120337812,402578568,360676008,450089262,551043738,337388940,512108856,28879011,690040638,106017282,558262341,99972432,608226003,612152037,42414435,776201013,39580443,518796945,494437752,583194366,723936555,415359657,309569589,751104774,166684527,249229170,353120823,130668327,753823584,580966092,561963717,543672234,393846327,586278000,327398400,278403867,156455586,363920382,190245195,290039148,547014447,466218648,146037150,585462906,666008595,691786683,374707494,622498779,231158277,685740951,115612245,681825249,545555745,551718468,277206615,640171035,757727334,195193908,658656684,457760646,225925875,505761984,18685233,506832921,112511021,396846646,290147622,113924623,669986155,336008070,63611061,238586775,119956662,616557739,772784623,334527774,410403148,51933421}\n};\nint main()\n{\n    int n,k;\n    scanf(\"%d %d\",&n,&k);\n    int p=0;\n    while ((1<<p)!=n) ++p;\n    printf(\"%d\",a[p][k-1]);\n    return 0;\n}", "src_uid": "cfe19131644e5925e32084a581e23286"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n    // your code goes here\n    //printf(\"%d\",'A'-10);\n    char s[10],t[10];\n    int sh , sm , th, tm , hh, mm ,flag = 0, fh[2],fm[2]  ;\n    scanf(\"%s%s\",s,t);\n    \n    sm = s[3]*10 + s[4] ;\n    sh = s[0]*10 + s[1] ;\n    tm = t[3]*10 + t[4] ;\n    th = t[0]*10 + t[1] ;\n    \n    if(sm<tm) { \n        mm = (60-(tm-sm)) ;\n        flag =1 ;\n    }\n    else \n        mm = sm-tm ;\n    if(flag==1){\n        sh--;\n    }\n    if(sh<th) { \n        hh = (24-(th-sh)) ;\n        flag =1 ;\n    }\n    else \n        hh = sh-th ;\n    \n    fh[1] = hh%10 ;\n    hh=hh/10;\n    fh[0]=hh%10;\n    \n    fm[1] = mm%10 ;\n    mm=mm/10;\n    fm[0]=mm%10;\n        \n    printf(\"%d%d:%d%d\",fh[0],fh[1],fm[0],fm[1]);    \n    return 0;\n}\n", "src_uid": "595c4a628c261104c8eedad767e85775"}
{"source_code": "#include <stdio.h>\n\nint main(){\n    int n;\n    scanf(\"%d\", &n);\n    int log2Value = 0;\n    while(n >0){\n        log2Value++;\n\tn >>= 1;\n\t// printf(\"n: %d\\n\", n);\n    }\n    printf(\"%d\\n\", log2Value);\n    return 0;\n}\n", "src_uid": "95cb79597443461085e62d974d67a9a0"}
{"source_code": "#include <stdio.h>\nconst int N=1000000007;\nlong long int x, i, n, a = 1;\nlong long int k (long long int x, long long int p)\n{\n\tlong long int s = 1;\n\twhile (p)\n\t{\n\t\tif (p % 2)\n\t\t\ts = s * x % N;\n\t\tp /= 2;\n\t\tx = x * x % N;\n\t}\n    return s;\n}\nlong long int d (long long int p)\n{\n\tlong long int m = n, sum = 0;\n\twhile (m)\n\t\tsum += m /= p;\n\treturn k(p, sum);\n}\nint main()\n{\n\tscanf(\"%lld%lld\", &x, &n);\n\tfor (i = 2; i * i <= x; i++)\n\t\tif (x % i == 0)\n\t\t{\n\t\t\ta = a * d(i) % N;\n\t\t\twhile (x % i == 0)\n\t\t\t\tx /= i;\n\t\t}\n\tif (x != 1)\n\t\ta = a * d(x) % N;\n\tprintf(\"%lld\", a);\n}", "src_uid": "04610fbaa746c083dda30e21fa6e1a0c"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint n,m,k;\n\nint modpow(int x,int y){\n    int ret,MOD=1e9+7;\n    long long temp=1;\n    while(y--){\n        temp*=x;\n        temp%=MOD;\n    }\n    return (int)temp;\n}\n\nvoid print(int x){printf(\"%d\\n\",x);exit(0);}\n\nmain(){\n    scanf(\"%d%d%d\",&n,&m,&k);\n    if(n<k||k==1) print(modpow(m,n));\n    if(n==k)      print(modpow(m,-~n/2));\n    if(k&1)       print(m*m);\n    print (m);\n}\n\n", "src_uid": "1f9107e8d1d8aebb1f4a1707a6cdeb6d"}
{"source_code": "#include<stdio.h>\n\n\nint main()\n{\n\n    int n,m,m1,arr[1000]= {},inc[1000];\n    scanf(\"%d%d\",&n,&m);\n    if(m==0){\n        if(n>1)\n        {\n            printf(\"-1 -1\\n\");\n            return 0;\n        }\n        else{\n             printf(\"0 0\\n\");\n            return 0;\n        }\n    }\n    if(n==1 && m<=9){\n        arr[0]=m;\n    }\n    else if(n==1 && m>9)\n    {\n        printf(\"-1 -1\\n\");\n        return 0;\n    }\n    else\n    {\n        m1=m-1;\n        for(int i=n-1; i>=0; i--)\n        {\n            if(m1>=9)\n            {\n                arr[i]=9;\n                m1-=9;\n            }\n\n            else if(m1==8)\n            {\n                arr[i]=8;\n                m1-=8;\n            }\n\n            else if(m1==7)\n            {\n                arr[i]=7;\n                m1-=7;\n            }\n\n            else if(m1==6)\n            {\n                arr[i]=6;\n                m1-=6;\n            }\n\n            else if(m1==5)\n            {\n                arr[i]=5;\n                m1-=5;\n            }\n\n            else if(m1==4)\n            {\n                arr[i]=4;\n                m1-=4;\n            }\n\n            else if(m1==3)\n            {\n                arr[i]=3;\n                m1-=3;\n            }\n\n            else if(m1==2)\n            {\n                arr[i]=2;\n                m1-=2;\n            }\n\n            else if(m1==1)\n            {\n                arr[i]=1;\n                m1-=1;\n            }\n\n            else\n            {\n                arr[i]=0;\n            }\n        }\n\n        if(arr[0]==9)\n        {\n            printf(\"-1 -1\\n\");\n            return 0;\n        }\n        else\n            arr[0]++;\n    }\n    for(int i=0; i<n ; i++)\n    {\n        printf(\"%d\",arr[i]);\n    }\n    printf(\" \");\n\n\n        for(int i=0; i<n; i++)\n        {\n            if(m>=9)\n            {\n                inc[i]=9;\n                m-=9;\n            }\n\n            else if(m==8)\n            {\n                inc[i]=8;\n                m-=8;\n            }\n\n            else if(m==7)\n            {\n                inc[i]=7;\n                m-=7;\n            }\n\n            else if(m==6)\n            {\n                inc[i]=6;\n                m-=6;\n            }\n\n            else if(m==5)\n            {\n                inc[i]=5;\n                m-=5;\n            }\n\n            else if(m==4)\n            {\n                inc[i]=4;\n                m-=4;\n            }\n\n            else if(m==3)\n            {\n                inc[i]=3;\n                m-=3;\n            }\n\n            else if(m==2)\n            {\n                inc[i]=2;\n                m-=2;\n            }\n\n            else if(m==1)\n            {\n                inc[i]=1;\n                m-=1;\n            }\n\n            else\n            {\n                inc[i]=0;\n            }\n        }\n\n\n\n\n    for(int i=0; i<n ; i++)\n    {\n        printf(\"%d\",inc[i]);\n    }\n\n    return 0;\n}\n", "src_uid": "75d062cece5a2402920d6706c655cad7"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nchar a[22],b[22];\nvoid f1(char a[22])\n{\n\tint i,j;char m;\n\tfor(i=0;a[i];i++)\n\t{\tfor(j=i+1;a[j];j++)\n\t\t\tif(a[i]<a[j])\n\t\t\t{\n\t\t\t\tm=a[i];a[i]=a[j];a[j]=m;\n\t\t\t}\n\t}\n}\nvoid f2(char a[22],char b[22])\n{\n\tint i,j;char c[22],k;\n    for(i=0;a[i];i++)\n\t{\tfor(j=i+1;a[j];j++)\n\t\t{\n\t\t\tstrcpy(c,a);\n\t\t\tk=c[i];c[i]=c[j];c[j]=k;\n\t\t\tif(strcmp(c,a)>0&&strcmp(c,b)<=0)\n\t\t\t{k=a[i];a[i]=a[j];a[j]=k;}\n\t\t}\n\t}\n\tputs(a);\n}\nvoid f3(char a[22])\n{\n\tint i,j;char m;\n\tfor(i=0;a[i];i++)\n\t\tfor(j=i+1;a[j];j++)\n\t\t\tif(a[i]>a[j])\n\t\t\t{\n\t\t\t\tm=a[i];a[i]=a[j];a[j]=m;\n\t\t\t}\n}\nint main()\n{\n    int i,j,alen,blen;\n\tscanf(\"%s%s\",a,b);\n\talen=strlen(a);blen=strlen(b);\t\n    f1(a);\n\tif(alen<blen)\n\t\tputs(a);\n\telse\n\t{\tf3(a);\n        f2(a,b);\n\t}\n}", "src_uid": "bc31a1d4a02a0011eb9f5c754501cd44"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\n int luckyNo(int x)\n {\n    int n=x;\n    int r,sum=0,m=1;\n    while(n)\n    {\n        r=n%10;\n        n=n/10;\n        if(r==4||r==7)\n        {\n            sum=sum+r*m;\n            m=m*10;\n        }\n    }\n  return sum;   \n }\nint main()\n{\n    int a,b;\n    \n    scanf(\"%d %d\",&a,&b);\n    a++;\n    if(a<b)\n        a=b;\n    else\n    while(b!=luckyNo(a))\n    {\n        a++;\n    }\n    printf(\"%d\\n\",a);\n    \n return 0;   \n }    ", "src_uid": "e5e4ea7a5bf785e059e10407b25d73fb"}
{"source_code": "#include <stdio.h> \n#include <string.h> \n\nchar buf[200]; \n\nint main()\n{ \n    int i,len,flag=0; \n \n    \n    scanf(\"%s\",buf); \n    \n    len =strlen(buf);\n    \n    for(i=0;i<len;i++)\n    { \n        if(buf[i]=='/')\n        { \n            while(buf[i+1]=='/')\n              i++; \n            if(buf[i+1])  /*not null*/\n            { \n                putchar('/'); \n                flag=1; \n            } \n        } \n        else\n        { \n            putchar(buf[i]); \n            flag=1; \n        } \n    } \n    \n    if(flag==0)\n      putchar('/'); \n    \n    puts(\"\"); \n    \n    return 0;\n}\n/****** PCCA -Wed Aug 24 04:05:43 GMT 2011 *******/", "src_uid": "6c2e658ac3c3d6b0569dd373806fa031"}
{"source_code": "#include <stdio.h>\n\nvoid solve(long long j, long long i){\n    int l, r;\n    char ar[11] = \"codeforces\";\n    for( l = 0; l < j; l ++ )\n        for(r = 0; r < i; r++ )\n            printf(\"%c\", ar[l] );\n\n    for( l = j; l < 10; l ++ )\n        for(r = 0; r < i-1; r++ )\n            printf(\"%c\", ar[l] );\n\n    printf(\"\\n\");\n    return;\n}\n\n\nint main (){\n    long long k, i, j, prod, sol;\n    scanf(\"%lld\", &k );\n    \n    if( k == 3 || k == 1){\n        if( k == 3 )\n            printf(\"codeforcesss\\n\");\n        else\n            printf(\"codeforces\\n\");\n    }else{\n\n    i = 1;\n    prod = 1;\n    while( prod < k ){\n        i++;\n        prod = 1;\n        for( j = 0; j < 10; j++ )\n            prod = prod * i;\n    }\n    sol = 1;\n    for( j = 0; j < 10; j++ ) \n        sol = sol * (i-1);\n    j = 0;\n    while( sol < k ){\n        sol = i * (sol/(i-1));\n        j++;\n    }\n    solve(j,i);\n    }\n    return 0;\n}", "src_uid": "8001a7570766cadcc538217e941b3031"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n\tint n, a[100+5], non_zero = 0;\n\tscanf(\"%d\", &n);\n\tfor(int i=1;i<n+1;i++) scanf(\"%d\", &a[i]), non_zero += a[i]!=0?1:0;\n\tif(non_zero<1) {printf(\"NO\");return 0;}\n\tprintf(\"YES\\n%d\\n\", non_zero);\n\tint l=1; non_zero=0;\n\tfor(int i=1;i<n+1;i++)\n\t{\n\t\tnon_zero += a[i]!=0?1:0;\n\t\tif(non_zero>1)\n\t\t{\n\t\t\tprintf(\"%d %d\\n\", l, i-1);\n\t\t\tl=i; non_zero=0; i--;\n\t\t}\n\t\telse if(i==n)\n\t\t\tprintf(\"%d %d\\n\", l, n);\n\t}\n\treturn 0;\n}", "src_uid": "3a9258070ff179daf33a4515def9897a"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\nint main()\n{\n\tint n;\n\tscanf(\"%d\",&n);\n\tchar s1[n+1];\n\tint s[n+1];\n\tscanf(\"%s\",s1);\n\tint length=strlen(s1),total_sum=0,sum=0,temp=0,k=0,j,flag=0;\n\tfor(int i=0;i<length;i++){\n\t\tif(s1[i]-'0'!=0){\n\t\t\ts[k++]=s1[i]-'0';\n\t\t}\n\t}\n\tlength=k;\n\tfor(int i=0;i<length;i++)total_sum+=s[i];\n\tfor(j=2;j<=length;j++){\n\t\tflag=0;\n\t\tif(total_sum%j!=0) continue;\n\t\tsum=total_sum/j;\n\t\tk=0;\n\t\twhile(k<length){\n\t\t\ttemp=0;\n\t\t\twhile(temp<sum && k<length){\n\t\t\t\ttemp+=s[k];\n\t\t\t\tk++;\n\t\t\t}\n\t\t\tif(temp!=sum){flag=1;break;}\n\t\t}\n\t\tif(!flag)break;\n\t}\n\tif(length==0) printf(\"YES\\n\");\n\telse if(!flag && j <=length)printf(\"YES\\n\");\n\telse printf(\"NO\\n\");\n\treturn 0;\n}\n", "src_uid": "410296a01b97a0a39b6683569c84d56c"}
{"source_code": "\n#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#define SORT(a,n) qsort(a,n,sizeof(int),intcmp)\n#define s(n)                        scanf(\"%d\",&n)\n#define sc(n)                       scanf(\"%c\",&n)\n#define sl(n)                       scanf(\"%I64d\",&n)\n#define sf(n)                       scanf(\"%lf\",&n)\n#define ss(n)                       scanf(\"%s\",n)\n#define fill(a,v)                   memset(a, v, sizeof(a))\nint intcmp(const void *f,const void *s)\n{\n   return (*(int *)f -*(int *)s);\n}\nint gcd(int a,int b){ return ((b==0)?a:gcd(b,a%b));}\n\n#define MAX\n#define MODBY 1000000007\n\ntypedef long long int lld;\ntypedef long double Lf;\n#define LOGMAX 12\nlld cnt[LOGMAX][LOGMAX];//cnt[i][j] contains no of lucky numbers with i digits, of which j are lucky\nlld cum_cnt[LOGMAX][LOGMAX];//cum_cnt[i][j] contains no of lucky numbers with <= i digits, of which j are lucky\nint count_lucky(char *a,int rt)\n{\n   int ans=0,i;\n   for(i=0;a[i];++i)\n      if(a[i]=='4') ans++;\n      else if(a[i]=='7') ans++;\n   while(rt--){\n      --i;\n      if(a[i]=='4') --ans;\n      else if(a[i]=='7') --ans;\n   }\n   return ans;\n}\nint isl[100];\nlld real_cnt[LOGMAX]={};\nvoid discount(lld n)\n{\n   char a[20];\n   lld upper=1;\n   int dig=0;\n   for(upper=1;upper<n;upper*=10)\n      dig++;\n   //printf(\"dig is %lld\\n\",(lld)dig);\n   //if(n!=upper)//think\n   lld mult=1;\n   int rt=0,i,j;\n   lld inv_cnt[LOGMAX]={};\n   while(n<upper){\n      //  printf(\"n is now %lld\\n\",n);\n      int low=(n/mult)%10;\n      sprintf(a,\"%lld\",n);\n      int carry=count_lucky(a,rt+1);\n      // printf(\"carry is %d, low is %d\\n\",carry,low);\n      for(i=low;i<=9;++i){\n         ++inv_cnt[carry+isl[i]];//followed by all zeroes\n         for(j=0; carry+isl[i]+j < LOGMAX;++j)\n            inv_cnt[carry+isl[i]+j]+=cum_cnt[rt][j];\n      }\n      mult*=10;\n      n=((n/mult)+1)*mult;\n      rt++;\n   }\n   for(i=0;i<LOGMAX;++i){\n      real_cnt[i]=0;\n      real_cnt[i]+=cum_cnt[dig][i];\n      //   printf(\"%lld \",real_cnt[i]);\n      real_cnt[i]-=(inv_cnt[i]%MODBY);\n      real_cnt[i]=(real_cnt[i]+MODBY)%MODBY;\n   //      printf(\"%lld\\n\",real_cnt[i]);\n   }\n//   printf(\"\\n\");\n}\nvoid init()\n{\n   int i,j;\n   isl[4]=isl[7]=1;\n   cum_cnt[1][0]=cnt[1][0]=7;//not including zero\n   cum_cnt[1][1]=cnt[1][1]=2;\n   for(i=2;i<LOGMAX;++i){\n      cnt[i][0]=(cnt[i-1][0]*8)%MODBY;\n      cum_cnt[i][0]=cnt[i][0]+cum_cnt[i-1][0];\n      //   printf(\"%lld\\t\",cum_cnt[i][0]);\n      for(j=1;j<=i;++j){\n         cnt[i][j]=(cnt[i-1][j]*8+cnt[i-1][j-1]*2)%MODBY;\n         cum_cnt[i][j]=cnt[i][j]+cum_cnt[i-1][j];\n         //    printf(\"%lld\\t\",cum_cnt[i][j]);\n      }\n      //   printf(\"\\n\");\n   }\n}\nint get_cnt(int left,int sum,int *carry)\n{\n   int i;\n   lld ans=0;\n   if(left==0) return 1;\n   for(i=sum;i>=0;--i){\n      carry[i]++;\n      ans+=(real_cnt[i]-carry[i]+1)*get_cnt(left-1,sum-i,carry);\n      carry[i]--;\n   }\n   return (int)(ans%MODBY);\n}\n\nint main()\n{\n   int n,i;\n   //system(\"clear\");\n   init();\n   //n=8;\n   scanf(\"%d\",&n);\n   discount((lld)(n+1));\n   //return 0;\n   int carry[LOGMAX]={};\n   lld ans=0;\n   for(i=0;i<LOGMAX;++i)\n      if(real_cnt[i]){\n         carry[i]++;\n         ans+=(real_cnt[i]*get_cnt(6,i-1,carry))%MODBY;\n         carry[i]--;\n      }\n   printf(\"%d\\n\",(int)(ans%MODBY));\n   return 0;\n}\n", "src_uid": "656ed7b1b80de84d65a253e5d14d62a9"}
{"source_code": "#include<stdio.h>\nint gcd(int a,int b)\n{\n    return b==0?a:gcd(b,a%b);\n}\nint main()\n{\n    int a,b,n,t,flag;\n    while(scanf(\"%d%d%d\",&a,&b,&n)!=EOF)\n    {\n        while(1)\n        {\n            t=gcd(a,n);\n            n-=t;\n            if(n<0)\n            {\n                flag=1;\n                break;\n            }\n            t=gcd(b,n);\n            n-=t;\n            if(n<0)\n            {\n                flag=0;\n                break;\n            }\n        }\n        printf(\"%d\\n\",flag);\n    }\n    return 0;\n}\n", "src_uid": "0bd6fbb6b0a2e7e5f080a70553149ac2"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n\nint main()\n{\nint x1,y1,x2,y2;\nscanf(\"%d%d%d%d\",&x1,&y1,&x2,&y2);\nif(x1==x2)\n{\n\n\tprintf(\"%d\",(2*(abs(y2-y1)+1))+4);\n}\nelse if(y1==y2)\n{\n\tprintf(\"%d\",2*(abs(x2-x1)+1)+4);\n}\nelse \n{\n\tprintf(\"%d\",2*((abs(x2-x1)+1)+(abs(y2-y1)+1)));\n}\n\nreturn 0;\n}\n", "src_uid": "f54ce13fb92e51ebd5e82ffbdd1acbed"}
{"source_code": "#include <stdio.h>\n#include<math.h>\nint main(void) {\n    // your code goes here\n    int r,h,n,temp;\n    float t;\n    scanf(\"%d %d\",&r,&h);\n    temp=h/r;\n    n=2*temp;\n    t=h%r;\n    if(t<0.5*r){\n        n++;\n    }\n    else if(t>=0.5*r&&t<sqrt(3)*0.5*r){\n        n+=2;\n    }\n    else{\n        n+=3;\n    }\n    printf(\"%d\",n);\n    return 0;\n}\n", "src_uid": "ae883bf16842c181ea4bd123dee12ef9"}
{"source_code": "/*interface*/\n#include<stdio.h>\nint max(int a,int b) {\n    if(a>b) return a;\n    else return b;\n}\n/*interface implementation*/\n/*client*/\nint main() {\n    int a1,b1;\n    scanf(\"%d%d\",&a1,&b1);\n    int a2,b2;\n    scanf(\"%d%d\",&a2,&b2);\n    int a3,b3;\n    scanf(\"%d%d\",&a3,&b3);\n    int is_ok=0;\n    if(b2+b3<=b1 && max(a2,a3)<=a1) {\n        is_ok=1;\n    } else if(b2+a3<=b1 && max(a2,b3)<=a1) {\n        is_ok=1;\n    } else if(a2+b3<=b1 && max(b2,a3)<=a1) {\n        is_ok=1;\n    } else if(a2+a3<=b1 && max(b2,b3)<=a1) {\n        is_ok=1;\n    } else if(a2+a3<=a1 && max(b2,b3)<=b1) {\n        is_ok=1;\n    } else if(a2+b3<=a1 && max(b2,a3)<=b1) {\n        is_ok=1;\n    } else if(b2+a3<=a1 && max(a2,b3)<=b1) {\n        is_ok=1;\n    } else if(b2+b3<=a1 && max(a2,a3)<=b1) {\n        is_ok=1;\n    } else {\n        is_ok=0;\n    }\n    if(is_ok) printf(\"YES\\n\");\n    else printf(\"NO\\n\");\n\n    return 0;\n}\n", "src_uid": "2ff30d9c4288390fd7b5b37715638ad9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n   char a[20];\n   int i,sum;\n   while(gets(a))\n   {\n      sum=0;\n      for(i=0;a[i]!='\\0';i++)\n      {\n         if(a[i]=='4' || a[i]=='7')\n         {\n            sum++;\n         }\n      }\n      if(sum==4 ||sum==7)\n      {\n          printf(\"YES\\n\");\n      }\n      else\n        {\n            printf(\"NO\\n\");\n            }\n   }\n    return 0;\n}\n", "src_uid": "33b73fd9e7f19894ea08e98b790d07f1"}
{"source_code": "#include <stdio.h>\n \nint main(void) {\n\t// your code goes here\n \n\tint n,m,k,temp;\n\tscanf(\"%d %d %d\",&n,&m,&k);\n\tif(k%(2*m)==0) printf(\"%d \", k/(2*m)); else printf(\"%d \",k/(2*m)+1);\n \n\ttemp=k%(2*m);\n\tif(temp==0) printf(\"%d \",m);\n\telse{\n\tif(temp%2==0) printf(\"%d \",temp/2);\n\telse printf(\"%d \",temp/2+1);\n\t}\n \n\tif(k%2!=0) printf(\"L\"); else printf(\"R\");\n \n\treturn 0;\n}", "src_uid": "d6929926b44c2d5b1a8e6b7f965ca1bb"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint dp[21][11][10][5][5];\n\nvoid func(int n, int t)\n{\n    int i, j, k, g, h, f, ans = 0;\n    memset(dp, 0, sizeof(dp));\n    for (i = 1; i <= 4; i ++)\n    {\n        for (j = 1; j <= 4; j ++)\n        {\n            if (i != j)\n            {\n                dp[2][0][0][i][j] = 1;\n            }\n        }\n    }\n    for (i = 3; i <= n; i ++)\n    {\n        for (j = 0; j <= t; j ++)\n        {\n            for (k = 0; k <= t - 1; k ++)\n            {\n                for (g = 1; g <= 4; g ++)\n                {\n                    for (h = 1; h <= 4; h ++)\n                    {\n                        if (g != h)\n                        {\n                            for (f = 1; f <= 4; f ++)\n                            {\n                                if (f != h)\n                                {\n                                    if (g < h && h > f)\n                                    {\n                                        if (j < t)\n                                        {\n                                            dp[i][j + 1][k][h][f] += dp[i - 1][j][k][g][h];\n                                        }\n                                    }\n                                    else if (g > h && h < f)\n                                    {\n                                        if (k < t - 1)\n                                        {\n                                            dp[i][j][k + 1][h][f] += dp[i - 1][j][k][g][h];\n                                        }\n                                    }\n                                    else\n                                    {\n                                        dp[i][j][k][h][f] += dp[i - 1][j][k][g][h];\n                                    }\n                                }\n                            }\n                        }\n                    }\n                }\n            }\n        }\n    }\n    for (i = 1; i <= 4; i ++)\n    {\n        for (j = 1; j <= 4; j ++)\n        {\n            if (i != j)\n            {\n                ans += dp[n][t][t - 1][i][j];\n            }\n        }\n    }\n    printf(\"%d\\n\", ans);\n}\n\nint main()\n{\n    int n, t;\n    while (scanf(\"%d%d\", &n, &t) == 2)\n    {\n        func(n, t);\n    }\n    return 0;\n}", "src_uid": "6d67559744583229455c5eafe68f7952"}
{"source_code": "#include <stdio.h>\n\nint main() {\n\tint s;\n\tscanf(\"%d\", &s);\n\tswitch(s/10)\n\t{\n\tcase 2:printf(\"twenty\"); break;\n\tcase 3:printf(\"thirty\"); break;\n\tcase 4:printf(\"forty\"); break;\n\tcase 5:printf(\"fifty\"); break;\n\tcase 6:printf(\"sixty\"); break;\n\tcase 7:printf(\"seventy\"); break;\n\tcase 8:printf(\"eighty\"); break;\n\tcase 9:printf(\"ninety\"); break;\n\t}\n\tif( s % 10 != 0 && s > 20 ) {\n\t\tprintf(\"-\");\n\t\ts %= 10;\n\t}\n\tswitch(s)\n\t{\n\tcase 0: printf(\"zero\"); break;\n\tcase 1: printf(\"one\"); break;\n\tcase 2: printf(\"two\"); break;\n\tcase 3: printf(\"three\"); break;\n\tcase 4: printf(\"four\"); break;\n\tcase 5: printf(\"five\"); break;\n\tcase 6: printf(\"six\"); break;\n\tcase 7: printf(\"seven\"); break;\n\tcase 8: printf(\"eight\"); break;\n\tcase 9: printf(\"nine\"); break;\n\tcase 10: printf(\"ten\"); break;\n\tcase 11: printf(\"eleven\"); break;\n\tcase 12: printf(\"twelve\"); break;\n\tcase 13: printf(\"thirteen\"); break;\n\tcase 14: printf(\"fourteen\"); break;\n\tcase 15: printf(\"fifteen\"); break;\n\tcase 16: printf(\"sixteen\"); break;\n\tcase 17: printf(\"seventeen\"); break;\n\tcase 18: printf(\"eighteen\"); break;\n\tcase 19: printf(\"nineteen\"); break;\n\t}\n\treturn 0;\n}\n", "src_uid": "a49ca177b2f1f9d5341462a38a25d8b7"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n\nint main()\n{\n    unsigned int n,a,b,x,i=0;\n    scanf(\"%u\",&n);\n\n    x = sqrt(n);\n\n    if(x*x == n)\n        printf(\"%u %u\\n\",x,x);\n    else\n    {\n        for(i = x + 1;;i++)\n        {\n            if(x * i > n)\n                x--;\n            else if(x * i == n)\n                break;\n        }\n        printf(\"%u %u\\n\",x,i);\n    }\n\n    return 0;\n}\n", "src_uid": "f52af273954798a4ae38a1378bfbf77a"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nchar Visit[256];\n\nint Val(char *a)\n{\n    return (a[0] - 'A') * 64 + (a[1] - 'A') * 16 + (a[2] - 'A') * 4 + (a[3] - 'A');\n}\n\nvoid Change(char *str)\n{\n    if(str[0] == 'X') {\n        str[0] = 'D';\n    }\n    if(str[1] == 'X') {\n        str[1] = 'D';\n    }\n}\n\nint main()\n{\n    char a[4];\n    for(int i = 0; i < 2; ++i) {\n        scanf(\"%s\", a + 2 * i);\n        Change(a + 2 * i);\n    }\n    int change[4][2] = {{1, 2}, {0, 3}, {0, 3}, {1, 2}};\n    Visit[Val(a)] = 1;\n    char queue[256][4];\n    int head = 0, tail = 1;\n    for(int i = 0; i < 4; ++i) {\n        queue[0][i] = a[i];\n    }\n    while(head < tail) {\n        for(int i = 0; i < 4; ++i) {\n            if(queue[head][i] == 'D') {\n                char update[4];\n                for(int j = 0; j < 2; ++j) {\n                    for(int k = 0; k < 4; ++k) {\n                        update[k] = queue[head][k];\n                    }\n                    char temp = update[change[i][j]];\n                    update[change[i][j]] = update[i];\n                    update[i] = temp;\n                    if(!Visit[Val(update)]) {\n                        Visit[Val(update)] = 1;\n                        memcpy(queue[tail], update, sizeof(update));\n                        ++tail;\n                    }\n                }\n            }\n        }\n        ++head;\n    }\n    for(int i = 0; i < 2; ++i) {\n        scanf(\"%s\", a + 2 * i);\n        Change(a + 2 * i);\n    }\n    puts(Visit[Val(a)] ? \"YES\" : \"NO\");\n    return 0;\n}\n", "src_uid": "46f051f58d626587a5ec449c27407771"}
{"source_code": "#include<stdio.h>\n\n\nint main(){\n\tlong long res,a,b,w,x,c;\n\tscanf(\"%I64d%I64d%I64d%I64d%I64d\",&a,&b,&w,&x,&c);\n\tif (a<c){\n\t\tres=(long long)(((double)(a-c)*w+b)/(x-w));\n\t\tif (res<(((double)(a-c)*w+b)/(x-w))) res+=1;\n\t\tprintf(\"%I64d\\n\",res);\n\t}\n\telse printf(\"0\\n\");\n\treturn 0;\n}\n", "src_uid": "a1db3dd9f8d0f0cad7bdeb1780707143"}
{"source_code": "#include <stdio.h>\n\ntypedef struct mk\n{\n\tint day,type;\n}roy;\n\nint n,m,a[200010],l,r,tot=0;\nroy off[200010],tmp[200020];\n\nint ok(int days){\n\tint t[n+1];\n\tint need = 0,collect = days;\n\tfor(int i = 0;i<n;i++) t[i] = a[i];\n\tfor(int i = m-1;i>=0;i--){\n\t\tif(off[i].day>days) continue;\n\t\tcollect = (collect<=off[i].day)?collect:off[i].day;\n\t\tint tp = (collect<=t[off[i].type-1])?collect:t[off[i].type-1];\n\t\tneed += tp;\n\t\tt[off[i].type-1]-= tp;\n\t\tcollect-=tp;\n\t}\n\tneed += (tot - need)*2;\n\treturn (need<=days);\n}\nvoid merge(roy *of, int s,int m,int e){\n\tint i = s,j = m+1,k = 0;\n\twhile (i<=m && j<=e){\n\t\tif(of[i].day==of[j].day){\n\t\t\ttmp[k++] = (a[of[i].type-1]<a[of[j].type-1])?of[i++]:of[j++];\n\t\t}\n\t\telse tmp[k++] = (of[i].day<of[j].day)?of[i++]:of[j++];\n\t}\n\twhile (i<=m) tmp[k++] = of[i++];\n\twhile (j<=e) tmp[k++] = of[j++];\n\tfor(int i = s;i<=e;i++) {\n\t\tof[i] = tmp[i-s];\n\t}\n}\nvoid sort(roy *of, int s,int e){\n\tif(s<e){\n\t\tint m = (e+s)/2;\n\t\tsort(of,s,m);\n\t\tsort(of,m+1,e);\n\t\tmerge(of,s,m,e);\n\t}\n}\nvoid solve(){\n\tscanf(\"%d%d\",&n,&m);\n\tfor(int i = 0;i<n;i++){\n\t\tscanf(\"%d\",a+i);\n\t\ttot += a[i];\n\t}\n\tfor(int i = 0;i<m;i++){\n\t\tscanf(\"%d%d\",&off[i].day,&off[i].type);\n\t}\n\tsort(off, 0, m-1);\n\tl = 1;r = tot*2+1;\n\tint Ans;\n\twhile (l<=r)\n\t{\n\t\tint m = (l+r)/2;\n\t\tif(ok(m)){\n\t\t\tAns  = m;\n\t\t\tr = m-1;\n\t\t}\n\t\telse l = m+1;\n\t}\n\tfor(int i = l;i<=r;i++){\n\t\tif(ok(i)){\n\t\t\tAns = i;\n\t\t\tbreak;\n\t\t}\n\t}\n\tprintf(\"%d\\n\",Ans);\n}\nint main(){\n\tsolve();\n\treturn 0;\n}\n", "src_uid": "2eb101dcfcc487fe6e44c9b4c0e4024d"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int k,n,w,c,i;\n    scanf(\"%d%d%d\",&k,&n,&w);\n    c=0;\n    for(i=1;i<=w;i++)\n    {\n        c=c+(k*i);\n    }\n    if(c>=n)\n    {\n    printf(\"%d\",(c-n));\n    }\n    else\n    {\n    printf(\"0\");\n    }\n    return 0;\n}", "src_uid": "e87d9798107734a885fd8263e1431347"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int n,i,c=0;\n    scanf(\"%d\",&n);\n    for(i=1; i<n; i++)\n    {\n        if((n-i)%i==0)\n        {\n            c++;\n        }\n    }\n    printf(\"%d\",c);\n    return 0;\n}\n", "src_uid": "89f6c1659e5addbf909eddedb785d894"}
{"source_code": "#include<stdio.h>\n\nint main(void){\n  int check,i,l,d,v,g,r,sum=0,roop;\n  double t1,t2,t;\n  scanf(\"%d %d %d %d %d\",&l,&d,&v,&g,&r);\n  roop=g+r;\n  t1=(double)d/v;\n  //printf(\"t1:%f\\n\",t1);\n  i=1;\n  while(sum<t1){\n    if(i%2){\n      sum+=g;\n      if(sum>t1) check=2;\n      else if(sum==t1) check=3;\n    }else{\n      sum+=r;\n      if(sum>t1) check=1;\n      else if(sum==t1) check=2;\n    }\n    i++;\n  }\n  if(check==1) t1=sum;\n  else if(check==3) t1+=r;\n  //printf(\"t1:%f\\n\",t1);\n  t2=((double)l-(double)d)/v;\n  //printf(\"t2:%f\\n\",t2);\n  t=t1+t2;\n  printf(\"%f\\n\",t);\n  return 0;\n}\n", "src_uid": "e4a4affb439365c843c9f9828d81b42c"}
{"source_code": "#include <stdio.h>\n\nlong long zcy(long long m)\n{\n    long long ans = m;\n    while (m > 0)\n    {\n        ans = ans * 10 + m % 10;\n        m /= 10;\n    }\n    return ans;\n}\n\nint main()\n{\n    int k, p,i;\n\n    scanf(\"%d %d\", &k, &p);\n    long long sum = 0;\n\n    for (i = 1; i <= k; i++)\n\n        sum = (sum + zcy(i)) % p;\n\n    printf(\"%I64d\\n\", sum);\n\n    return 0;\n}\n", "src_uid": "00e90909a77ce9e22bb7cbf1285b0609"}
{"source_code": "#include<stdio.h>\n\nint main(void){\n\tint n;\n\tchar k;\n\tscanf(\"%c%d\", &k,&n);\n\tif((k=='a'||k=='h')&&(n==8 || n==1)){\n\t\tprintf(\"3\");\n\t\treturn 0;\n\t}\n\tif(n==1 || n==8 || k=='a' || k=='h'){\n\t\tprintf(\"5\");\n\t\treturn 0;\n\t}\n\tprintf(\"8\");\n\treturn 0;\n}", "src_uid": "6994331ca6282669cbb7138eb7e55e01"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\tint ibit;\n\tunsigned long long l, r, x, res, bit;\n\tscanf(\"%I64d%I64d\", &l, &r);\n\tx = l ^ r;\n\tres = 0;\n\tfor ( ibit = 63; --ibit >= 0; )\n\t{\n\t\tbit = (unsigned long long) 1 << ibit;\n\t\tif ( x & bit )\n\t\t{\n\t\t\tres |= bit;\n\t\t\tif ( r & bit )\n\t\t\t{\n\t\t\t\tres |= bit - 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\telse if ( (l >> ibit) == (r >> ibit) )\n\t\t\tcontinue;\n\t\telse if ( !(l & bit) )\n\t\t{\n\t\t\tres |= bit | bit - 1;\n\t\t\tbreak;\n\t\t}\n\t\telse if ( r & bit )\n\t\t{\n\t\t\tres |= bit | bit - 1;\n\t\t\tbreak;\n\t\t}\n\t}\n\tprintf(\"%I64d\\n\", res);\n\treturn 0;\n}\n", "src_uid": "d90e99d539b16590c17328d79a5921e0"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n\nint main()\n{\n    char ch[101];\n    gets(ch);\n    int i,count[100] = {0},s=0,sum=0;\n    if(ch[strlen(ch)-1] != 'n'&&ch[strlen(ch)-1] != 'a'&&ch[strlen(ch)-1] != 'e'&&ch[strlen(ch)-1] != 'i'&&ch[strlen(ch)-1] != 'o'&&ch[strlen(ch)-1] != 'u'){\n        printf(\"NO\\n\");\n        return 0;\n    }\n    if(strcmp(ch,\"nn\")==0){\n        printf(\"YES\\n\");\n        return 0;\n    }\n    if(strlen(ch)==1){\n        if(ch[0] == 'a'||ch[0] =='e'||ch[0] =='i'||ch[0] =='o'||ch[0] =='u'||ch[0] == 'n')\n            printf(\"YES\\n\");\n\n        else\n            printf(\"NO\\n\");\n        return 0;\n    }\n    if(strlen(ch)==2){\n        if(ch[1] == 'a'||ch[1] =='e'||ch[1] =='i'||ch[1] =='o'||ch[1] =='u')\n            printf(\"YES\\n\");\n\n        else\n            printf(\"NO\\n\");\n        return 0;\n    }\n    for(i=0; i<strlen(ch); i++){\n        if(ch[i] == 'a'||ch[i] =='e'||ch[i] =='i'||ch[i] =='o'||ch[i] =='u')continue;\n        else if(ch[i] == 'n')count[i]+=2;\n        else\n            count[i]++;\n    }\n    for(i=0; i<strlen(ch); i++){\n        if(count[i]==1&&count[i+1]==1){\n            printf(\"NO\\n\");\n            s++;\n            break;\n        }\n        if(count[i]==2&&count[i-1]==1){\n            printf(\"NO\\n\");\n            s++;\n            break;\n        }\n\n    }\n    for(i=0; i<strlen(ch); i++){\n        sum+=count[i];\n    }\n    if(sum==1&&count[strlen(ch)-1]==1){\n            printf(\"NO\\n\");\n            return 0;\n    }\n    if(s==0)printf(\"YES\\n\");\n\n    return 0;\n}\n", "src_uid": "a83144ba7d4906b7692456f27b0ef7d4"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#include<math.h>\n\nlong long int XY(int A, int B, int C, int X_plus_Y)\n{\n\tlong long int x = 0;\n\tint i;\n\tint j1, j2;\n\t\n\ti = A;\n\tj1 = X_plus_Y - i;\n\t\n\tif(j1>C)\n\t{\n\t\tj1 = C;\n\t}\n\t\n\ti = B;\n\tj2 = X_plus_Y - i;\n\t\n\tif(j2<B)\n\t{\n\t\tj2 = B;\n\t}\n\t\n\treturn j1-j2+1;\n}\n\nlong long int Z(int C, int D, int X_plus_Y)\n{\n\tint min;\n\tlong long int z;\n\tif( X_plus_Y-1 <= D)\n\t{\n\t\tmin = X_plus_Y-1;\n\t}\n\telse\n\t{\n\t\tmin = D;\n\t}\n\t\n\tz = min - C + 1;\n\tif(z<0)\n\t{\n\t\treturn 0;\n\t}\n\t\n\treturn z;\n}\n\nint main()\n{\n\t// variable in description\n\tint T;\n\tint A, B, C, D; \n\t// variable to support\n\tlong long int ans;\n\tlong long int XY_num;\n\tlong long int Z_num;\n\t// variable to judge\n\tint i;\n\tint j;\n\tint k;\n\t\n\t\tscanf(\"%d %d %d %d\",&A,&B,&C,&D);\n\t\t\n\t\tans = 0;\n\t\t\n\t\tfor(j=A+B;j<=B+C;j++)\n\t\t{\n\t\t\tXY_num = XY(A,B,C,j);\n\t\t\tZ_num = Z(C,D,j);\n\t\t\tans += XY_num*Z_num;\n\t\t\t//printf(\"%d %d\\n\",XY_num,Z_num);\n\t\t}\n\t\t\n\t\tprintf(\"%lld\\n\",ans);\n\t\n\treturn 0;\n}\n", "src_uid": "4f92791b9ec658829f667fcea1faee01"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\nint main()\n{\n    int n,i,l,k,j;\n    char a[8][10] = {\"vaporeon\",\"jolteon\",\"flareon\",\"espeon\",\"umbreon\",\"leafeon\",\"glaceon\",\"sylveon\"};\n    char b[10];\n    scanf(\"%d %s\",&n,b);\n    for(i=0; i<8; i++)\n    {\n        if(strlen(a[i])==n)\n        {\n            l = 0,k = 0;\n            for(j=0; b[j]; j++)\n            {\n                if(b[j]=='.')   l++;\n                else if(b[j]==a[i][j])  k++;\n                else    break;\n            }\n        }\n        if(l+k==strlen(b))\n        {\n            printf(\"%s\\n\",a[i]);\n            return 0;\n        }\n    }\n}\n\n", "src_uid": "ec3d15ff198d1e4ab9fd04dd3b12e6c0"}
{"source_code": "#include <stdio.h>\n\nint main() {\n    int i, n, winner[100], spectator[100] = {3};\n    scanf(\"%d\", &n);\n    for(i = 0; i < n; i++) {\n        scanf(\"%d\", &winner[i]);\n        if (i)\n            spectator[i] = 6 - winner[i - 1] - spectator[i - 1];\n    }\n    for(i = 0; i < n; i++) {\n        if (winner[i] == spectator[i]) {\n            printf(\"NO\\n\");\n            return 0;\n        }\n    }\n    printf(\"YES\\n\");\n    return 0;\n}", "src_uid": "6c7ab07abdf157c24be92f49fd1d8d87"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int i,j,n,max=-1,count,a;\n    char c1,c2;\n    scanf(\"%d\",&n);\n    char s[n];\n    scanf(\"%s\",s);\n    for(i=0;i<n-1;i++)\n    {\n        count=0;\n        for(j=i+1;j<n-1;j++)\n        {\n            if(s[j]==s[i])\n            {\n                if(s[j+1]==s[i+1])\n                    count++;\n            }\n        }\n        if(count>max)\n        {\n            max=count;\n            c1=s[i];\n            c2=s[i+1];\n        }\n    }\n    printf(\"%c%c\\n\",c1,c2);\n    return 0;\n}\n", "src_uid": "e78005d4be93dbaa518f3b40cca84ab1"}
{"source_code": "#include<stdio.h>\n#define max(a,b) a>b?a:b\nint main()\n{\n    __int64 n,a,b,c,x=0,y=0;\n    scanf(\"%I64d%I64d%I64d%I64d\",&n,&a,&b,&c);\n    __int64 d=b-c;\n    if(n>=a)\n    {\n        x+=n/a;\n        __int64 e=n%a;\n        if(e>=b)\n        {\n            x+=(e-b)/d+1;\n        }\n    }\n    if(n>=b)\n    {\n        __int64 f=(n-b)/d+1;\n        y+=f;\n        y+=(n-f*d)/a;\n    }\n    __int64 ccc=max(x,y);\n    printf(\"%I64d\\n\",ccc);\n    return 0;\n}\n", "src_uid": "0ee9abec69230eab25de51aef0984f8f"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n     int dd, mm, yy, bd, bm, by, f = 0;\n     int d[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};\n\n     scanf(\"%d.%d.%d\", &dd, &mm, &yy);\n     scanf(\"%d.%d.%d\", &bd, &bm, &by);\n\n     if (yy > by + 18 || (yy == by + 18 && (mm > bm || (mm == bm && dd >= bd)))) {\n\t  f = 1;\n     }\n\n     if (by <= 12 && (d[by - 1] >= bd || (by == 2 && bm % 4 == 0 && bd == 29))) {\n\t  if (yy > bm + 18 || (yy == bm + 18 && (mm > by || (mm == by && dd >= bd)))) {\n\t  f = 1;\n\t  }\n     }\n\n     if (bd <= 12 && (d[bd - 1] >= bm || (bd == 2 && by % 4 == 0 && bm == 29))) {\n\t  if (yy > by + 18 || (yy == by + 18 && (mm > bd || (mm == bd && dd >= bm)))) {\n\t  f = 1;\n\t  }\n     }\n\n     if (by <= 12 && (d[by - 1] >= bm || (by == 2 && bd % 4 == 0 && bm == 29))) {\n\t  if (yy > bd + 18 || (yy == bd + 18 && (mm > by || (mm == by && dd >= bm)))) {\n\t  f = 1;\n\t  }\n     }\n\n     if (d[bm - 1] >= by || (bm == 2 && bd % 4 == 0 && by == 29)) {\n\t  if (yy > bd + 18 || (yy == bd + 18 && (mm > bm || (mm == bm && dd >= by)))) {\n\t  f = 1;\n\t  }\n     }\n\n     if (bd <= 12 && (d[bd - 1] >= by || (bd == 2 && bm % 4 == 0 && by == 29))) {\n\t  if (yy > bm + 18 || (yy == bm + 18 && (mm > bd || (mm == bd && dd >= by)))) {\n\t  f = 1;\n\t  }\n     }\n\n     if (f == 1) {\n\t  puts(\"YES\");\n     } else {\n\t  puts(\"NO\");\n     }\n\n     return 0;\n}\n", "src_uid": "5418c98fe362909f7b28f95225837d33"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char str[200],c1,c2;\n    scanf(\"%s\", str);\n    int i, s1, s2, sum=0;\n    for(i=0; i<strlen(str); i++){\n        if(i==0){\n            s1=str[i]-'a';\n            s2='a'-str[i]+26;\n            if(s1<s2){\n                sum=sum+s1;\n            }\n            else{\n                sum=sum+s2;\n            }\n        }\n        else{\n            if(str[i]>str[i-1]){\n                c1=str[i-1];\n                c2=str[i];\n            }\n            else{\n                c1=str[i];\n                c2=str[i-1];\n            }\n            s1=c2-c1;\n            s2=c1-c2+26;\n            if(s1<s2){\n                sum=sum+s1;\n            }\n            else{\n                sum=sum+s2;\n            }\n        }\n\n    }\n    printf(\"%d\\n\", sum);\n}\n", "src_uid": "ecc890b3bdb9456441a2a265c60722dd"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint ar[9];\nint main()\n{\n\tchar s[60];\n\tint i,j,len;\n\tscanf(\"%s\",s);\n\tlen=strlen(s);\n\tfor (i=0; i<len; i++)\n\t{\n\t\tif (s[i]=='4') ar[4]++;\n\t\telse if (s[i]=='7') ar[7]++;\n\t}\n\tif (ar[4]==0 && ar[7]==0) printf(\"-1\\n\");\n\telse if (ar[4]==ar[7]) printf(\"4\\n\");\n\telse if (ar[4]>ar[7]) printf(\"4\\n\");\n\telse printf(\"7\\n\");\n\t\n\treturn 0;\n}", "src_uid": "639b8b8d0dc42df46b139f0aeb3a7a0a"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <math.h>\n#include <conio.h>\n\nint main()\n{\n    int n,i,j,k,l,min;\n    scanf(\"%d\",&n);\n\n    int len=1,num=n;\n\n    while(1){\n        num=num/10;\n        if(num==0){\n            break;\n        }\n        else{\n            len++;\n        }\n    }\n\n    min=len;\n\n    for(i=1;i*i<=n;i++){\n        j=i*i;\n        num=j;\n        k=1;\n\n        while(1){\n            num=num/10;\n            if(num==0){\n                break;\n            }\n            else{\n                k++;\n            }\n        }\n\n        num=n;\n        l=k;\n\n        while(1){\n            while(1){\n                if(num%10==j%10){\n                    num=num/10;\n                    l--;\n                    break;\n                }\n                else{\n                    num=num/10;\n                    if(num==0){\n                        break;\n                    }\n                }\n            }\n            if(l==0){\n                if((len-k)<min){\n                    min=len-k;\n                }\n                break;\n            }\n            else if(num==0){\n                break;\n            }\n            j=j/10;\n        }\n    }\n\n    if(min==len){\n        printf(\"%d\\n\",-1);\n    }\n    else{\n        printf(\"%d\\n\",min);\n    }\n\n    return 0;\n}", "src_uid": "fa4b1de79708329bb85437e1413e13df"}
{"source_code": "#ifndef _TJYTLXWXHYZQFW_COMMON_H\n#define _TJYTLXWXHYZQFW_COMMON_H\n#include <assert.h>\n#include <limits.h>\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#define offset(t,m) ((unsigned long)&(((t*)0)->m))\n#define container_of(a,t,m) ((t*)((unsigned long)a-offset(t,m)))\n#define ULL1 ((unsigned long long )1)\n#define LL(x) ((long long)(x))\n#define SWP(a, b) if ((a) != (b)) do {(a) ^= (b); (b) ^= (a); (a) ^= (b);} while(0)\n#define IOF(p) ((p) = ((p) < 0 ? INT_MAX : (p)))\n#define LLOF(p) ((p) = ((p) < 0 ? LLONG_MAX :(p)))\n#define ir(x, start, end) ((x) >= (start) && (x) < (end))\n#define ire(x, start, end) ((x) >= (start) && (x) <= (end))\n#define max(x,y) ((x) < (y) ? (y) : (x))\n#define min(x, y) ((x) < (y) ? (x) : (y))\n#define abv(x) ((x) < 0 ? (x) * (-1) : (x))\n#define forn(i, n) for ((i) = 0; (i) < (n); (i) += 1)\n#define fore(i, n) for ((i) = 0; (i) <= (n); (i) += 1)\n#define forr(i, s, e) for((i) = (s); (i) < (e); (i) += 1)\n#define forre(i, s, e) for((i) = (s); (i) <= (e); (i) += 1)\n#endif\n#ifndef _WCC_NUMTH_H\n#define _WCC_NUMTH_H\n#include <assert.h>\n#define NUMTH_ENS (-1) \n#define NUMTH_MODPLS(x, y, p) ((((x) % (p)) + ((y) % (p))) % p)\n#define NUMTH_MODMUL(x, y, p) ((((X) % (P)) * ((y) % (p))) % p)\n#define NUMTH_CORRECT(x, mod) ((x) += ((x) < 0 ? (mod) : 0))\nlong long numth_modexp(long long a, long long b, long long n);\nlong long numth_gcd(long long a, long long b);\nvoid numth_gcd_e(long long a, long long b, long long *d, long long *x, long long *y);\nint numth_mle(long long a, long long b, long long n, long long *x, long long *gcd);\n#define numth_for_each_solution(i, x, n, d) \\\n\tfor ((i) = 0; (i) < (d); (i) += 1, (x) = ((x) + (n) / (d)) % (n))\nint numth_divisors(long long k, long long divs[], long long *ndivs);\n#endif\n#define M 1000000007\n#define T 100\n#define K 1000\n#define pls(a, b) NUMTH_MODPLS((a), (b), M)\nint dp[2*T][4*T*K+1];\nint a, b, t, k;\nint delta, delta_min, delta_max, offset, index_max;\nint dp_fill(int i, int j)\n{\n\tint x;\n\tif (j == index_max-k) {\n\t\tdp[i][j] = 0;\n\t\tforre(x, j-k, j+k) dp[i][j] = pls(dp[i][j], dp[i+1][x]);\n\t} else {\n\t\tdp[i][j] = pls(pls(dp[i+1][j-k], dp[i][j+1]), -1*dp[i+1][j+k+1]);\n\t\tNUMTH_CORRECT(dp[i][j], M);\n\t}\n\treturn dp[i][j];\n}\nint main(void)\n{\n\tint i, j;\n\tscanf(\"%d%d%d%d\", &a, &b, &k, &t);\n\tt <<= 1;\n\tdelta = a - b;\n\tdelta_min = delta - t * k;\n\tdelta_max = delta + t * k;\n\toffset = -1 * delta_min;\n\tindex_max = delta_max + offset;\n\tforre(i, 0, index_max) dp[t-1][i] = max(0, k-max(-1*k, offset-i+1)+1);\n\tfor (i = t-2; i >= 0; --i)\n\t\tfor (j = index_max-k; j >= k; --j)\n\t\t\tdp_fill(i, j);\n\tprintf(\"%d\\n\", dp[0][delta+offset]);\n\treturn 0;\n}", "src_uid": "8b8327512a318a5b5afd531ff7223bd0"}
{"source_code": "#include <stdio.h>\n#define ll long long\nint main()\n{\n\tll n,k;\n\tscanf(\"%lld %lld\", &n,&k);\n\tif(k>50){\n\t\tprintf(\"No\");\n\t\treturn 0;\n\t}\n\tfor(int i=1;i<=k;i++)\n\t\tfor(int j=i+1;j<=k;j++){\n\t\t\tif(n%i==n%j){\n\t\t\t\tprintf(\"No\");\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t\tprintf(\"Yes\");\n}", "src_uid": "5271c707c9c72ef021a0baf762bf3eb2"}
{"source_code": "#include<stdio.h>\nint main(){\n\tint n,m;\n\tscanf(\"%d%d\", &n, &m);\n\tif(n<m) printf(\"-1\");\n\tif(n==m) printf(\"%d\",m);\n\tif(n>m) {\n\t\t if(n%2==0) {\n\t\t\tif((n/2)%m==0) printf(\"%d\",n/2);\n\t\t\telse printf(\"%d\", n/2+m-(n/2%m));\n\t\t}\n\t\telse {\n\t\t\tif((n/2+1)%m==0) printf(\"%d\",n/2+1);\n\t\t\telse printf(\"%d\",n/2+1+m-((n/2+1)%m));\n\t\t}\n\t}\nreturn 0;\n}", "src_uid": "0fa526ebc0b4fa3a5866c7c5b3a4656f"}
{"source_code": "#include<stdio.h>\n#define rep(i,l,r) for(register int i=l;i<=r;++i)\nconst int MOD=51123987;\nint dp[153][53][53][53];\nint next[160][3],n,ans;\nchar s[160];\ninline int abs(int x){return x>0?x:-x;}\ninline int pd(int a,int b){return abs(a-b)<2?1:0;}\nint main(){\n    scanf(\"%d\",&n);\n    scanf(\"%s\",s+1);\n    rep(i,0,2) next[n+1][i]=n+1;\n    for(register int i=n;i;--i){rep(j,0,2) next[i][j]=next[i+1][j];next[i][s[i]-'a']=i;}\n    dp[1][0][0][0]=1;\n    //int 50=(n+2)/3;\n    rep(i,1,n) rep(j,0,50) rep(k,0,50) rep(l,0,50){\n        if(j+k+l==n&&pd(j,k)&&pd(j,l)&&pd(k,l)){ans=(ans+dp[i][j][k][l])%MOD;continue;}\n        if(next[i][0]<=n) dp[next[i][0]][j+1][k][l]=(dp[next[i][0]][j+1][k][l]+dp[i][j][k][l])%MOD;\n        if(next[i][1]<=n) dp[next[i][1]][j][k+1][l]=(dp[next[i][1]][j][k+1][l]+dp[i][j][k][l])%MOD;\n        if(next[i][2]<=n) dp[next[i][2]][j][k][l+1]=(dp[next[i][2]][j][k][l+1]+dp[i][j][k][l])%MOD;\n    }\n    printf(\"%d\",ans);\n    return 0;\n}", "src_uid": "64fada10630906e052ff05f2afbf337e"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    float x,h,c,y,m;\n    scanf(\"%f:%f\",&x,&y);\n    if((x==12 && y==0) || (x==0 && y==0))\n    {\n        h=0;\n        m=y*6;\n    }\n    else if((x==12 && y!=0) || (x==0 && y!=0))\n    {\n        m=y*6;\n        h=y/2;\n    }\n    else\n    {\n        if(x>0 && x<12)\n        {\n            m=y*6;\n            h=((x*60)+y)/2;\n        }\n        else if(x>=13 && x<24)\n        {\n            c=x-12;\n            m=y*6;\n            h=((c*60)+y)/2;\n        }\n    }\n    printf(\"%.1f %.0f\",h,m);\n    return 0;\n}\n", "src_uid": "175dc0bdb5c9513feb49be6644d0d150"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<stdint.h>\n#include<inttypes.h>\n#include<string.h>\n\ntypedef int64_t i64;\ntypedef int32_t i32;\n\nstatic void print_int(i64 n){if(n<0){putchar('-');n=-n;}if(n==0){putchar('0');return;}int s[20],len=0;while(n>0){s[len++]=n%10+'0';n/=10;}while(len>0){putchar(s[--len]);}}\nstatic i64 read_int(void){int prev='\\0';int c=getchar();while(!('0'<=c && c<='9')){prev=c;c=getchar();}i64 res=0;while('0'<=c && c<='9'){res=10*res+c-'0';c=getchar();}return prev=='-'?-res:res;}\n\n#define MAX(a,b) ((a)>(b)?(a):(b))\n#define ALLOC(size,type) ((type*)calloc((size),sizeof(type)))\n\n#define POS(i, j, k) ((((i) & 1) * (n + 1) + (j)) * (n + 1) + (k))\n\nvoid run (void) {\n  const i32 n = read_int();\n  const i32 m = read_int();\n  const i32 mod = 998244353;\n  i64 *dp = ALLOC (2 * (n + 1) * (n + 1), i64);\n  dp[POS(1, 1, 1)] = 1;\n  for (i32 i = 1; i < n; ++i) {\n    memset (dp + POS(i + 1, 0, 0), 0, sizeof (*dp) * (n + 1) * (n + 1));\n    for (i32 j = 1; j <= i; ++j) {\n      for (i32 k = 1; k <= i; ++k) {\n        dp[POS(i, j, k)] %= mod;\n        dp[POS(i + 1, MAX (j, k + 1), k + 1)] += dp[POS(i, j, k)];\n        dp[POS(i + 1, j, 1)] += dp[POS(i, j, k)];\n      }\n    }\n  }\n  i64 *way = ALLOC (n + 1, i64);\n  for (i32 j = 1; j <= n; ++j) {\n    for (i32 k = 1; k <= j; ++k) {\n      way[j] += dp[POS(n, j, k)] % mod;\n    }\n  }\n  for (i32 i = 1; i <= n; ++i) {\n    way[i] %= mod;\n  }\n  i64 ans = 0;\n  for (i32 i = 1; i <= n; ++i) {\n    for (i32 j = 1; j <= n; ++j) {\n      if (i * j < m) {\n        ans += way[i] * way[j] % mod;\n      }\n    }\n  }\n  ans = 2 * ans % mod;\n  print_int (ans);\n  puts (\"\");\n}\n\nint main (void) {\n  run ();\n  return 0;\n}\n", "src_uid": "77177b1a2faf0ba4ca1f4d77632b635b"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n#define N\t200000\n#define L_\t19\t/* L_ = ceil(log2(N * 2 + 1)) */\n#define N_\t(1 << L_)\n#define MD\t998244353\n\nint min(int a, int b) { return a < b ? a : b; }\n\nlong long power(long long a, int k) {\n\tlong long p = 1;\n\n\twhile (k) {\n\t\tif (k & 1)\n\t\t\tp = p * a % MD;\n\t\ta = a * a % MD;\n\t\tk >>= 1;\n\t}\n\treturn p;\n}\n\nint vv[N + 1], ff[N + 1], gg[N + 1], mobius[N + 1];\nint *wwu[L_ + 1], *wwv[L_ + 1], vv_[L_ + 1];\n\nvoid init() {\n\tint i, j, l, u, v;\n\n\tff[0] = gg[0] = 1;\n\tfor (i = 1; i <= N; i++) {\n\t\tvv[i] = i == 1 ? 1 : (long long) vv[i - MD % i] * (MD / i + 1) % MD;\n\t\tff[i] = (long long) ff[i - 1] * i % MD;\n\t\tgg[i] = (long long) gg[i - 1] * vv[i] % MD;\n\t}\n\tfor (i = 2; i <= N; i++) {\n\t\tif (mobius[i])\n\t\t\tcontinue;\n\t\tfor (j = i; j <= N; j += i)\n\t\t\tmobius[j]++;\n\t}\n\tfor (i = 2; i <= N / i; i++)\n\t\tfor (j = i * i; j <= N; j += i * i)\n\t\t\tmobius[j] = -1;\n\tfor (i = 1; i <= N; i++)\n\t\tmobius[i] = mobius[i] == -1 ? 0 : (mobius[i] % 2 == 0 ? 1 : -1);\n\tu = power(3, MD - 1 >> L_), v = power(u, MD - 2);\n\tfor (l = L_; l > 0; l--) {\n\t\tint n = 1 << l, m = n >> 1;\n\n\t\twwu[l] = (int *) malloc(m * sizeof *wwu[l]);\n\t\twwv[l] = (int *) malloc(m * sizeof *wwv[l]);\n\t\twwu[l][0] = wwv[l][0] = 1;\n\t\tfor (i = 1; i < m; i++) {\n\t\t\twwu[l][i] = (long long) wwu[l][i - 1] * u % MD;\n\t\t\twwv[l][i] = (long long) wwv[l][i - 1] * v % MD;\n\t\t}\n\t\tvv_[l] = power(1 << l, MD - 2);\n\t\tu = (long long) u * u % MD, v = (long long) v * v % MD;\n\t}\n\tvv_[0] = 1;\n}\n\nint choose(int n, int k) {\n\treturn (long long) ff[n] * gg[k] % MD * gg[n - k] % MD;\n}\n\nvoid ntt_(int *aa, int l, int inverse) {\n\tif (l) {\n\t\tint n = 1 << l, m = n >> 1, *ww = inverse ? wwv[l] : wwu[l], i, j;\n\n\t\tntt_(aa, l - 1, inverse), ntt_(aa + m, l - 1, inverse);\n\t\tfor (i = 0; (j = i + m) < n; i++) {\n\t\t\tint a = aa[i], b = (long long) aa[j] * ww[i] % MD;\n\n\t\t\tif ((aa[i] = a + b) >= MD)\n\t\t\t\taa[i] -= MD;\n\t\t\tif ((aa[j] = a - b) < 0)\n\t\t\t\taa[j] += MD;\n\t\t}\n\t}\n}\n\nvoid ntt(int *aa, int l, int inverse) {\n\tint n = 1 << l, i, j;\n\n\tfor (i = 1, j = 0; i < n; i++) {\n\t\tint b = n >> 1, tmp;\n\n\t\twhile ((j ^= b) < b)\n\t\t\tb >>= 1;\n\t\tif (i < j)\n\t\t\ttmp = aa[i], aa[i] = aa[j], aa[j] = tmp;\n\t}\n\tntt_(aa, l, inverse);\n}\n\nvoid multiply(int *aa, int *bb, int n) {\n\tstatic int aa_[N_], bb_[N_];\n\tint n_, l_, i;\n\n\tl_ = 0;\n\twhile (1 << l_ < n + n - 1)\n\t\tl_++;\n\tn_ = 1 << l_;\n\tfor (i = 0; i < n_; i++) {\n\t\taa_[i] = i < n ? aa[i] : 0;\n\t\tbb_[i] = i < n ? bb[i] : 0;\n\t}\n\tntt(aa_, l_, 0), ntt(bb_, l_, 0);\n\tfor (i = 0; i < n_; i++)\n\t\taa_[i] = (long long) aa_[i] * bb_[i] % MD;\n\tntt(aa_, l_, 1);\n\tfor (i = 0; i < n; i++)\n\t\taa[i] = (long long) aa_[i] * vv_[l_] % MD;\n}\n\nvoid inv(int *aa, int *bb, int n) {\n\tstatic int aa_[N_], bb_[N_];\n\tint m, n_, l_, i;\n\n\tif (n == 1) {\n\t\tbb[0] = 1;\n\t\treturn;\n\t}\n\tm = (n + 1) / 2;\n\tinv(aa, bb, m);\n\tl_ = 0;\n\twhile (1 << l_ < n * 2)\n\t\tl_++;\n\tn_ = 1 << l_;\n\tfor (i = 0; i < n_; i++) {\n\t\taa_[i] = i < n ? aa[i] : 0;\n\t\tbb_[i] = i < m ? bb[i] : 0;\n\t}\n\tntt(aa_, l_, 0), ntt(bb_, l_, 0);\n\tfor (i = 0; i < n_; i++)\n\t\taa_[i] = bb_[i] * (MD + 2 - (long long) aa_[i] * bb_[i] % MD) % MD;\n\tntt(aa_, l_, 1);\n\tfor (i = 0; i < n; i++)\n\t\tbb[i] = (long long) aa_[i] * vv_[l_] % MD;\n}\n\nvoid log_(int *aa, int *bb, int n) {\n\tstatic int pp[N + 1], qq[N + 1];\n\tint i;\n\n\tfor (i = 0; i < n; i++)\n\t\tpp[i] = i + 1 == n ? 0 : (long long) aa[i + 1] * (i + 1) % MD;\n\tinv(aa, qq, n);\n\tmultiply(pp, qq, n);\n\tfor (i = 0; i < n; i++)\n\t\tbb[i] = i == 0 ? 0 : (long long) pp[i - 1] * vv[i] % MD;\n}\n\nvoid exp_(int *aa, int *bb, int n) {\n\tstatic int aa_[N + 1], bb_[N + 1], cc_[N + 1];\n\tint m, i;\n\n\tif (n == 1) {\n\t\tbb[0] = 1;\n\t\treturn;\n\t}\n\tm = (n + 1) / 2;\n\texp_(aa, bb, m);\n\tfor (i = 0; i < n; i++)\n\t\tbb_[i] = i < m ? bb[i] : 0;\n\tlog_(bb_, cc_, n);\n\tfor (i = 0; i < n; i++)\n\t\taa_[i] = (aa[i] - cc_[i] + MD) % MD;\n\taa_[0] = (aa_[0] + 1) % MD;\n\tmultiply(aa_, bb_, n);\n\tfor (i = 0; i < n; i++)\n\t\tbb[i] = aa_[i];\n}\n\nint bell[N + 1];\n\nvoid compute_bell() {\n\tstatic int aa[N + 1];\n\tint i;\n\n\tfor (i = 1; i <= N; i++)\n\t\taa[i] = gg[i];\n\texp_(aa, bell, N + 1);\n\tfor (i = 0; i <= N; i++)\n\t\tbell[i] = (long long) bell[i] * ff[i] % MD;\n}\n\nint sum(int n, int k) {\n\tstatic int aa[N + 1], bb[N + 1];\n\tint i, ans;\n\n\tif (k > n)\n\t\treturn (bell[n] - 1 + MD) % MD;\n\tfor (i = 0; i <= k; i++)\n\t\taa[i] = power(i, n) * gg[i] % MD;\n\tfor (i = 0; i <= k; i++)\n\t\tbb[i] = (long long) (i % 2 == 0 ? 1 : MD - 1) * gg[i] % MD;\n\tmultiply(aa, bb, k + 1);\n\tans = MD - 1;\n\tfor (i = 0; i <= k; i++)\n\t\tans = (ans + aa[i]) % MD;\n\treturn ans;\n}\n\nint main() {\n\tint n, k, d, ans;\n\n\tinit();\n\tscanf(\"%d%d\", &n, &k);\n\tif (k == 1 || n == 1) {\n\t\tprintf(\"1\\n\");\n\t\treturn 0;\n\t}\n\tcompute_bell();\n\tans = 0;\n\tfor (d = 1; d < n; d++)\n\t\tif (mobius[d])\n\t\t\tans = (ans + sum((n + d - 1) / d, k) * mobius[d]) % MD;\n\tif (ans < 0)\n\t\tans += MD;\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "eb9d24070cc5b347d020189d803628ae"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main()\n{\n    int n,i=0,k=0,l=0;\n    scanf(\"%d\",&n);\n    char *a=(char*)malloc(sizeof(char)*(n+1));\n    int *c=(int*)malloc(sizeof(int)*n);\n    scanf(\"%s\",a);\n    for(i=0;i<n;i++)\n    {\n        c[i]=0;\n    }\n    i=0;\n    while(i<n)\n    {\n        while(i<n&&a[i]=='B')\n        {\n           c[k]=c[k]+1;\n           if(i<n-1&&a[i+1]=='W')\n           {\n            k++;\n           }\n             i++;\n        }\n        i++;\n    }\n    i=0;\n    while(i<n&&c[i]!=0)\n    {\n        l=l+1;\n        i++;\n    }\n    printf(\"%d\\n\",l);\n    for(i=0;i<n;i++)\n    {   if(c[i]!=0)\n        printf(\"%d\\t\",c[i]);\n    }\n    return 0;\n}", "src_uid": "e4b3a2707ba080b93a152f4e6e983973"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n     int a, x, y;\n\n     scanf(\"%d %d %d\", &a, &x, &y);\n\n     if (y % a == 0) {\n\t  puts(\"-1\");\n     } else {\n\t  y /= a;\n\n\t  if (y == 0) {\n\t       if (x >= 0 && a > x * 2 || x <= 0 && a > - x * 2) {\n\t\t    puts(\"1\");\n\t       } else {\n\t\t    puts(\"-1\");\n\t       }\n\t  } else if (y % 2 == 0) {\n\t       if (x > 0 && a > x) {\n\t\t    printf(\"%d\\n\", 3 * y / 2 + 1);\n\t       } else if (x < 0 && a > -x) {\n\t\t    printf(\"%d\\n\", 3 * y / 2);\n\t       } else {\n\t\t    puts(\"-1\");\n\t       }\n\t  } else {\n\t       if (x >= 0 && a > x * 2 || x <= 0 && a > - x * 2) {\n\t\t    printf(\"%d\\n\", 3 * y / 2 + 1);\n\t       } else {\n\t\t    puts(\"-1\");\n\t       }\n\t  }\n     }\n\n     return 0;\n}\n", "src_uid": "cf48ff6ba3e77ba5d4afccb8f775fb02"}
{"source_code": "#include <stdio.h>\nint main()\n{\n     int n,i,j,m=0;\n     char pass[3],kash[100][2];\n     scanf(\"%s\",pass);\n     scanf(\"%d\",&n);\n     for(i=0;i<n;i++)\n     {\n         scanf(\"%s\",kash[i]);\n     }\n    for(i=0;i<n;i++)\n    {\n        if(pass[0]==kash[i][0])\n            {\n                if(pass[1]==kash[i][1])\n                m=2;\n            }\n    }\n    for(i=0;i<n;i++)\n    {\n        if(pass[0]==kash[i][1])\n             for(j=0;j<n;j++)\n            {\n                if(pass[1]==kash[j][0])\n                m=2;\n            }\n    }\n    if(m==2)\n        printf(\"YES\");\n    else printf(\"NO\");\n    return 0;\n}", "src_uid": "cad8283914da16bc41680857bd20fe9f"}
{"source_code": "#include<stdio.h>\nint main(){\n           long long int n,a[3][3],a1[3][3],r[3][3],r1[3][3],s,i,j,k,p=1000000007,sum=0;\n\tscanf(\"%lld\",&n);\n\n\ta[0][0]=10;\n\ta[0][1]=3;\n\ta[1][0]=0;\n\ta[1][1]=0;\n\n\tr[0][0]=6;\n\tr[0][1]=1;\n\tr[1][0]=-8;\n\tr[1][1]=0;\n\n\ts=n-2;\n\tif(n==0)\n\t\tprintf(\"1\\n\");\n\telse if(n==1)\n\t\tprintf(\"3\\n\");\n\telse{\n\twhile(s>0)\n\t{\n\t\tsum=0;\n\t\tif(s%2!=0)\n\t\t{\n\t\t\tfor(i=0;i<2;i++){\n\t\t\t\tfor(j=0;j<2;j++){\n\t\t\t\t\tfor(k=0;k<2;k++){\n\t\t\t\t\t//\tif(s==1){\n\t\t\t\t\t//\t\tprintf(\"%lld %lld\\n\",a[i][k],r[k][j]);\n\t\t\t\t\t//\t\tprintf(\"%lld\\n\",sum);}\n\t\t\t\t\t//\tif(r[k][j]<0)\n\t\t\t\t\t\t//\tst=a[i][k]*r[k][j]\n\t\t\t\t\t\tsum=(sum+(a[i][k]*r[k][j]+p)%p)%p;\n\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t//\tif(s==1)\n\t\t\t\t\t//\tprintf(\"%lld\\n\",sum);\n\t\t\t\t\t\t\n\t\t\t\t\t}\n\t\t\t\t\ta1[i][j]=sum%p;\n\t\t\t\t//\tprintf(\"%lld\\n\",sum);\n\t\t\t\t\tsum=0;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfor(i=0;i<2;i++){\n\t\t\t\tfor(j=0;j<2;j++){\n\t\t\t\t\ta[i][j]=a1[i][j];}}\n//\t\t\tprintf(\"%lld\\n\",a[0][0]);\n\t\t}\n\t\tsum=0;\n\n\t\ts=s/2;\n\t\tfor(i=0;i<2;i++){\n\t\t\tfor(j=0;j<2;j++){\n\t\t\t\tfor(k=0;k<2;k++){\n\t\t\t\t\tsum=(sum+(r[i][k]*r[k][j]+p)%p)%p;\n\t\t\t\t}\n\t\t\t\tr1[i][j]=sum%p;\n\t\t\t//\tprintf(\"%lld\\n\",sum);\n\n\t\t\t\tsum=0;\n\t\t\t}\n\t\t}\n\t\tfor(i=0;i<2;i++){\n\t\t\tfor(j=0;j<2;j++){\n\t\t\t\tr[i][j]=r1[i][j];}}\n\n\t\t\t}\n\t\t\t    printf(\"%lld\\n\",a[0][0]%p);\n\t\t\n\t}\n\t\t\treturn 0;\n}\n\n\n\n", "src_uid": "782b819eb0bfc86d6f96f15ac09d5085"}
{"source_code": "#include<stdio.h>\n#include<conio.h>\nint main() \n{\n  int n, a[10000],p=0,q=0, i;\n  scanf(\"%d\",&n);\n  for(i=0;i<n;i++)\n  {\n     scanf(\"%d\",&a[i]) ;\n     if(a[i] >0)\n          p++;\n     else if(a[i] <0)\n           q++;\n  } \n  float f=n/2.0;\n  if(p>=f) \n     printf(\"1\\n\");\n  else if(q>=f) \n     printf(\"-1\\n\");\n  else\n      printf(\"0\");\n}\n\n", "src_uid": "a13cb35197f896cd34614c6c0b369a49"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n\nint comp(const void* a, const void* b) {\n    return(*(int*)a - *(int*)b);\n}\n\nint main() {\n    int n, k, p[50], s1 = 0, s2 = 0, res;\n    scanf(\"%d\", &n);\n    k = n/2;\n    for (int i=0; i<k; ++i) \n        scanf(\"%d\", &p[i]);\n    qsort(p, k, sizeof(int), comp);\n    for (int i=0; i<k; ++i) {\n        s1 += abs(p[i] - (2*i + 1));\n        s2 += abs(p[i] - (2*i + 2));\n    }\n    if (s1 < s2) res = s1;\n    else res = s2;\n    printf(\"%d\", res);\n    return 0;\n}\n", "src_uid": "0efe9afd8e6be9e00f7949be93f0ca1a"}
{"source_code": "#include <stdio.h>\n#include <stdint.h>\n#define ll int64_t\n\n\nstruct pr\n{\n    ll f, s;\n} a[100001], b[100001];\n\nint cmp(const void* p1, const void* p2)\n{\n    ll d = - ((const struct pr*)p1)->f + ((const struct pr*)p2)->f;\n    if (d) return d < 0 ? -1 : 1;\n    return ((const struct pr*)p1)->s - ((const struct pr*)p2)->s > 0 ? 1 : -1;\n}\n\nint main()\n{\n    int n, m; ll d;\n    scanf(\"%d%d%I64d\", &n, &m, &d);\n    for(int i = 0; i < n; ++i)\n    {\n        scanf(\"%I64d%I64d\", &(a[i].f), &(a[i].s));\n    }\n    for(int i = 0; i < m; ++i)\n    {\n        scanf(\"%I64d%I64d\", &(b[i].f), &(b[i].s));\n    }\n    qsort(a, n, sizeof(struct pr), cmp);\n    qsort(b, m, sizeof(struct pr), cmp);\n    for(int i = 1; i < n; ++i)\n    {\n        a[i].f += a[i-1].f;\n        a[i].s += a[i-1].s;\n    }\n    for(int i = 1; i < m; ++i)\n    {\n        b[i].f += b[i-1].f;\n        b[i].s += b[i-1].s;\n    }\n    int i = 0, j = 0;\n    if (a[0].s + b[0].s > d)\n    {\n        printf(\"0\");\n        return 0;\n    }\n    while(i < n && a[i].s + b[0].s <= d) ++i;\n    ll ans = 0;\n    while(j < m && i >= 0)\n    {\n        if (i < n && a[i].s + b[j].s <= d)\n        {\n            if (a[i].f + b[j].f > ans) ans = a[i].f + b[j].f;\n            ++j;\n        }\n        else --i;\n    }\n    printf(\"%I64d\", ans);\n    return 0;\n}", "src_uid": "da573a39459087ed7c42f70bc1d0e8ff"}
{"source_code": "/* https://codeforces.com/contest/1185/submission/55797221 (Dukkha) */\n#include <stdio.h>\n\n#define N\t50\n#define T\t2500\n#define MD\t1000000007\n\nint dp[N + 1][N + 1][N + 1], dq[N + 1][N + 1][N + 1][3];\n\nvoid init(int na, int nb, int nc) {\n\tint ma, mb, mc, x0, x1, x2;\n\n\tfor (ma = 0; ma <= na; ma++)\n\t\tfor (mb = 0; mb <= nb; mb++)\n\t\t\tfor (mc = 0; mc <= nc; mc++) {\n\t\t\t\tx0 = ma > 0 ? (long long) dq[ma - 1][mb][mc][0] * ma % MD : 0;\n\t\t\t\tx1 = mb > 0 ? (long long) dq[ma][mb - 1][mc][1] * mb % MD : 0;\n\t\t\t\tx2 = mc > 0 ? (long long) dq[ma][mb][mc - 1][2] * mc % MD : 0;\n\t\t\t\tif (ma == 0 && mb == 0 && mc == 0) {\n\t\t\t\t\tdp[ma][mb][mc] = 1;\n\t\t\t\t\tdq[ma][mb][mc][0] = dq[ma][mb][mc][1] = dq[ma][mb][mc][2] = 1;\n\t\t\t\t} else {\n\t\t\t\t\tdp[ma][mb][mc] = ((long long) x0 + x1 + x2) % MD;\n\t\t\t\t\tdq[ma][mb][mc][0] = (x1 + x2) % MD;\n\t\t\t\t\tdq[ma][mb][mc][1] = (x0 + x2) % MD;\n\t\t\t\t\tdq[ma][mb][mc][2] = (x0 + x1) % MD;\n\t\t\t\t}\n\t\t\t}\n}\n\nvoid solve1(int *aa, int t, int n, int da[][N + 1]) {\n\tint i, s, m, a;\n\n\tfor (s = 0; s <= t; s++)\n\t\tfor (m = 0; m <= n; m++)\n\t\t\tda[0][0] = 0;\n\tda[0][0] = 1;\n\tfor (i = 0; i < n; i++) {\n\t\ta = aa[i];\n\t\tfor (s = t; s >= a; s--)\n\t\t\tfor (m = 1; m <= n; m++)\n\t\t\t\tda[s][m] = (da[s][m] + da[s - a][m - 1]) % MD;\n\t}\n}\n\nvoid solve2(int *aa, int *bb, int t, int na, int nb, int dab[][N + 1][N + 1]) {\n\tstatic int da[T + 1][N + 1];\n\tint i, b, s, ma, mb;\n\n\tsolve1(aa, t, na, da);\n\tfor (s = 0; s <= t; s++)\n\t\tfor (ma = 0; ma <= na; ma++) {\n\t\t\tdab[s][ma][0] = da[s][ma];\n\t\t\tfor (mb = 1; mb <= nb; mb++)\n\t\t\t\tdab[s][ma][mb] = 0;\n\t\t}\n\tfor (i = 0; i < nb; i++) {\n\t\tb = bb[i];\n\t\tfor (s = t; s >= b; s--)\n\t\t\tfor (ma = 0; ma <= na; ma++)\n\t\t\t\tfor (mb = 1; mb <= nb; mb++)\n\t\t\t\t\tdab[s][ma][mb] = (dab[s][ma][mb] + dab[s - b][ma][mb - 1]) % MD;\n\t}\n}\n\nint main() {\n\tstatic int aa[N], bb[N], cc[N], dab[T + 1][N + 1][N + 1], dc[T + 1][N + 1];\n\tint n, na, nb, nc, t, tab, tc, ma, mb, mc, xab, xc, ans;\n\n\tscanf(\"%d%d\", &n, &t);\n\tna = nb = nc = 0;\n\twhile (n--) {\n\t\tint a, g;\n\n\t\tscanf(\"%d%d\", &a, &g);\n\t\tif (g == 1)\n\t\t\taa[na++] = a;\n\t\telse if (g == 2)\n\t\t\tbb[nb++] = a;\n\t\telse\n\t\t\tcc[nc++] = a;\n\t}\n\tinit(na, nb, nc);\n\tsolve1(cc, t, nc, dc);\n\tsolve2(aa, bb, t, na, nb, dab);\n\tans = 0;\n\tfor (tab = 0; tab <= t; tab++) {\n\t\ttc = t - tab;\n\t\tfor (ma = 0; ma <= na; ma++)\n\t\t\tfor (mb = 0; mb <= nb; mb++)\n\t\t\t\tif ((xab = dab[tab][ma][mb]))\n\t\t\t\t\tfor (mc = 0; mc <= nc; mc++)\n\t\t\t\t\t\tif ((xc = dc[tc][mc]))\n\t\t\t\t\t\t\tans = (ans + (long long) xab * xc % MD * dp[ma][mb][mc]) % MD;\n\t}\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "ed5f913afe829c65792b54233a256757"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n\tchar str[100];\n\tscanf(\"%s\", str);\n\tint i, p = 0, l = strlen(str);\n\tfor(i = 0; i < l; ){\n\t\tif(str[i] == 'V' && str[i+1] == 'K'){\n\t\t\tp++;\n\t\t\ti = i + 2;\n\t\t}\n\t\telse{\n\t\t\ti++;\n\t\t}\n\t}\n\tfor(i = 0; i < l;){\n\t\tif(str[i] == 'V' && str[i+1] == 'V' && (str[i+2] == 'V' || str[i+2] == '\\0')){\n\t\t\tp++;\n\t\t\tbreak;\n\t\t}\n\t\telse if(str[i] == 'K' && str[i + 1] == 'K' && str[i-1] =='K'){\n\t\t\tp++;\n\t\t\tbreak;\n\t\t}\n\t\telse if(i == 0 && str[i] == 'K' && str[i + 1] == 'K'){\n\t\t\tp++;\n\t\t\tbreak;\n\t\t}\n\t\telse{\n\t\t\ti++;\n\t\t}\n\t}\n\tprintf(\"%d\", p);\n}\n\t\n\t\n\t\t\n\t\t", "src_uid": "578bae0fe6634882227ac371ebb38fc9"}
{"source_code": "#include <stdio.h>\nint main()\n{\n    int n,a=0;\n    scanf(\"%d\",&n);\n    int i,w;\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&w);\n        if(w==100)a++;\n    }\n    if(a%2==1||(n%2==1&&a==0))printf(\"NO\");\n    else printf(\"YES\");\n    return 0;\n}\n", "src_uid": "9679acef82356004e47b1118f8fc836a"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    puts(\"Karen\");\n    return 0;\n}\n", "src_uid": "1649d2592eadaa8f8d076eae2866cffc"}
{"source_code": "#include <stdio.h>\n\nint main() {\n  int x,y,z,i,o;\n  scanf(\"%d %d %d\",&x,&y,&z);\n  if(x<y) i=x,x=y,y=i;\n  for(i=1;i<=z;i++) {\n    if(z==i) {\n      if(y==1) printf(\"%d\\n\",(x+1)/2);\n      else if(x%2==0 && y%2==0) printf(\"%d\\n\",x+y-2);\n      else if(x%2 && y%2) printf(\"%d\\n\",x+y-2);\n      else if(x%2 && y%2==0) {\n        o=(y+1)/2*2;\n        if(x>3) o+=(x-2)/2;\n        if(x>2) o+=(x-1)/2;\n        printf(\"%d\\n\",o);\n      } else if(x%2==0 && y%2) {\n        o=(x+1)/2*2;\n        if(y>3) o+=(y-2)/2;\n        if(y>2) o+=(y-1)/2;\n        printf(\"%d\\n\",o);\n      }\n      return 0;\n    }\n    x-=2;\n    y-=2;\n    if(y<1 || x<1) break;\n  }\n  puts(\"0\");\n  return 0;\n}\n", "src_uid": "fa1ef5f9bceeb7266cc597ba8f2161cb"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nstruct table\n{\n    int arr[10];\n};\n\nvoid fillt(struct table *t, int n)\n{\n    int x;\n    for(x = 0; x < 10; x++)\n    {\n        t->arr[x] = 0;\n    }\n    while(n)\n    {\n        t->arr[n % 10] = 1;\n        n /= 10;\n    }\n}\n\nint compt(struct table *a, struct table *b)\n{\n    int x;\n    for(x = 0; x < 10; x++)\n    {\n        if(a->arr[x] == 1 && b->arr[x] == 1)\n        {\n            return 1;\n        }\n    }\n    return 0;\n}\n\nint main()\n{\n    int n;\n    scanf(\"%d\", &n);\n    int x;\n    struct table nt, xt;\n    fillt(&nt, n);\n    int ans = 0;\n    for(x = 1; x <= sqrt(n); x++)\n    {\n        if(n % x == 0)\n        {\n            fillt(&xt, x);\n            ans += compt(&xt, &nt);\n            if(n / x != x)\n            {\n                fillt(&xt, n / x);\n                ans += compt(&xt, &nt);\n            }\n        }\n    }\n    printf(\"%d\", ans);\n    return 0;\n}", "src_uid": "ada94770281765f54ab264b4a1ef766e"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#define maximun 50\n\nint cambia_letra(char x)\n{\n    switch(x)\n    {\n    case 'a':\n        return 1;\n    case 'b':\n        return 2;\n    case 'c':\n        return 3;\n    case 'd':\n        return 4;\n    case 'e':\n        return 5;\n    case 'f':\n        return 6;\n    case 'g':\n        return 7;\n    case 'h':\n        return 8;\n    }\n    return 0;\n}\n\nint main()\n{\n    char coordenada[3];\n    int resptorre[9][2], respcaballo[9][2],i,j;\n    int pasos_caballo[8][2]={{-2,1},{-1,2},{1,2},{2,1},{2,-1},{1,-2},{-1,-2},{-2,-1}};\n\n    gets(coordenada);\n    resptorre[0][0]=atoi(&coordenada[1]);\n    resptorre[0][1]=cambia_letra(coordenada[0]);\n\n    gets(coordenada);\n    respcaballo[0][0]=atoi(&coordenada[1]);\n    respcaballo[0][1]=cambia_letra(coordenada[0]);\n\n    for(i=0;i<=7;i++)\n    {\n        if(resptorre[0][0]+pasos_caballo[i][0]>=1 && resptorre[0][0]+pasos_caballo[i][0]<=8 && resptorre[0][1]+pasos_caballo[i][1]>=1 && resptorre[0][1]+pasos_caballo[i][1]<=8)\n        {\n            resptorre[i+1][0]=resptorre[0][0]+pasos_caballo[i][0];\n            resptorre[i+1][1]=resptorre[0][1]+pasos_caballo[i][1];\n        }\n        else\n        {\n            resptorre[i+1][0]=0;\n            resptorre[i+1][1]=0;\n        }\n\n    }\n\n        for(i=0;i<=7;i++)\n    {\n        if(respcaballo[0][0]+pasos_caballo[i][0]>=1 && respcaballo[0][0]+pasos_caballo[i][0]<=8 && respcaballo[0][1]+pasos_caballo[i][1]>=1 && respcaballo[0][1]+pasos_caballo[i][1]<=8)\n        {\n            respcaballo[i+1][0]=respcaballo[0][0]+pasos_caballo[i][0];\n            respcaballo[i+1][1]=respcaballo[0][1]+pasos_caballo[i][1];\n        }\n        else\n        {\n            respcaballo[i+1][0]=0;\n            respcaballo[i+1][1]=0;\n        }\n\n    }\n\n    for(i=1;i<=8;i++)\n    {\n\n        if(resptorre[i][0]!=0)\n        {\n            for(j=1;j<=8;j++)\n            {\n                if((resptorre[i][0]==respcaballo[j][0] && resptorre[i][1]==respcaballo[j][1]) || resptorre[0][0]==respcaballo[j][0] || resptorre[0][1]==respcaballo[j][1])\n                {\n                    respcaballo[j][0]=0;\n                    respcaballo[j][1]=0;\n                }\n            }\n        }\n    }\n    j=0;\n    for(i=0;i<=8;i++)\n    {\n        if(resptorre[i][0]!=0) j++;\n        if(respcaballo[i][0]!=0) j++;\n    }\n    printf(\"%d\",maximun-j);\n    return 0;\n}\n", "src_uid": "073023c6b72ce923df2afd6130719cfc"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(int argc, char *argv[])\n{\n\tchar minutes[102];\n\tscanf(\"%s\", minutes);\n\n\tunsigned short nMissedTrains = 0;\n\tunsigned long nDigits = strlen(minutes);\n\tif(nDigits % 2 == 0)\n\t{\n\t\tprintf(\"%ld\", (strlen(minutes) / 2));\n\t\treturn 0;\n\t}\n\telse\n\t{\n\t\tnMissedTrains = (strlen(minutes) / 2);\n\t}\n\n\tunsigned short nOnes, i;\n\tnOnes = i = 0;\n\twhile(nOnes <= 1 && minutes[i] != '\\0')\n\t{\n\t\tif(minutes[i] == '1')\n\t\t\tnOnes++;\n\t\ti++;\n\t}\n\n\tif(nOnes > 1)\n\t\tnMissedTrains++;\n\n\tprintf(\"%d\", nMissedTrains);\n\n\treturn 0;\n}\n", "src_uid": "d8ca1c83b431466eff6054d3b422ab47"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n\nint\nmain (int ac, char *av[])\n{\n\tint i, j, k, len;\n\tchar num[32];\n\tchar x;\n\tint\tsw1 = -1;\n\tint\tsw2 = -1;\n\t\n\tscanf (\"%s\", num);\n\n\tlen = strlen(num)-1;\n\n\tfor (i = len; i >= 0; --i) {\n\n\t\tif (num[i] == '5') {\n\t\t\tint xx = 0;\n\t\t\tif (i == 0 && num[1] == '0') {\n\t\t\t\tfor (k = 1; k < len; k++) {\n\t\t\t\t\tif (num[k] != '0') break;\n\t\t\t\t\t++xx;\n\t\t\t\t}\n\t\t\t\tif (k == len) continue;\n\t\t\t}\t\n\n\t\t\tfor (j=len; j>=0; --j) {\n\t\t\t\tx = num[j];\n\t\t\t\tif (j == 0 && num[1] == '0') {\n\t\t\t\t\tfor (k = 1; k < len; k++) {\n\t\t\t\t\t\tif (num[k] != '0') break;\n\t\t\t\t\t\t++xx;\n\t\t\t\t\t}\n\t\t\t\t\tif (k == len) continue;\n\t\t\t\t}\n\n\t\t\t\tif (x == '2' || x == '7') {\n\t\t\t\t\tsw1 = (len-i) + (len-j)+xx;\n                                        if (j < i) --sw1;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n\t}\n\n\tfor (i = len; i >= 0; --i) {\n\t\tif (num[i] == '0') {\n                        num[i] = '9';\n\t\t\tfor (j=len; j>=0; --j) {\n\t\t\t\tx = num[j];\n\t\t\t\tif (x == '0' || x == '5') {\n\t\t\t\t\tsw2 = (len-i)+(len-j);\n                                        if (j < i) --sw2;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n\t}\n\tif (sw1 != -1) {\n\t\tif (sw2 != -1) {\n\t\t\tprintf (\"%d\\n\", (sw1>sw2) ? sw2:sw1);\n\t\t} else {\n\t\t\tprintf (\"%d\\n\", sw1);\n\t\t}\n\t} else {\n\t\tprintf (\"%d\\n\", sw2);\n\t}\n\n\treturn 0;\n}\n", "src_uid": "ea1c737956f88be94107f2565ca8bbfd"}
{"source_code": "#include <stdio.h>\n#include <stddef.h>\n#include <stdbool.h>\n\nstatic bool has_duplicates (int arr[], size_t sz);\nstatic void decrease_duplicates (int arr[], size_t sz);\nstatic unsigned long long sum_positive (int arr[], size_t sz);\n\nint main (void) {\n\tsize_t letter_count;\n\tscanf(\"%I64u\", &letter_count);\n\n\tint max_letter_freq[letter_count];\n\tfor (size_t i = 0; i < letter_count; ++i) {\n\t\tscanf(\"%d\", &max_letter_freq[i]);\n\t}\n\n\twhile (has_duplicates(max_letter_freq, letter_count)){\n\t\tfor (size_t i = 0; i < letter_count; ++i) {\n\t\t\tdecrease_duplicates(max_letter_freq + i, letter_count - i);\n\t\t}\n\t}\n\n\tprintf(\"%llu\\n\", sum_positive(max_letter_freq, letter_count));\n\n\treturn 0;\n}\n\nstatic bool has_duplicates (int arr[], size_t sz) {\n\tif (sz == 1)\n\t\treturn false;\n\tfor (size_t i = 0; i < sz - 1; ++i)\n\t\tfor (size_t j = i + 1; j < sz; ++j)\n\t\t\tif (arr[i] == arr[j])\n\t\t\t\treturn true;\n\n\treturn false;\n}\n\nstatic void decrease_duplicates (int arr[], size_t sz) {\n\tif (sz == 1)\n\t\treturn;\n\n\tint elem = arr[0];\n\tint decrease_by = 1;\n\tfor (size_t i = 1; i < sz; ++i) {\n\t\tif (arr[i] == elem) {\n\t\t\tarr[i] -= decrease_by;\n\t\t\tdecrease_by++;\n\t\t}\n\t}\n}\n\nstatic unsigned long long sum_positive (int arr[], size_t sz) {\n\tunsigned long long sum = 0;\n\tfor (size_t i = 0; i < sz; ++i)\n\t\tif (arr[i] > 0)\n\t\t\tsum += arr[i];\n\n\treturn sum;\n}\n", "src_uid": "3c4b2d1c9440515bc3002eddd2b89f6f"}
{"source_code": "#include <stdio.h>\r\n \r\ntypedef long long ll;\r\n \r\nint dp[4000001][2], sum[4000001][2];\r\n \r\nint main(){\r\n\tint n, m;\r\n\tscanf(\"%d %d\", &n, &m);\r\n\tfor (register int i = 2; i <= n; i++){\r\n\t\tdp[i][0] = (sum[i - 1][0] + sum[i - 1][1] + 1) % m;\r\n\t\tif (i == 2){\r\n\t\t\tdp[i][1] = 1;\r\n\t\t} else {\r\n\t\t\tdp[i][1] = (dp[i][1] + dp[i - 1][1] + ((i - i / 2) - ((i - 1) - (i - 1) / 2))) % m;\r\n\t\t}\r\n\t\tsum[i][0] = (sum[i - 1][0] + dp[i][0]) % m;\r\n\t\tsum[i][1] = (sum[i - 1][1] + dp[i][1]) % m;\r\n\t\tfor (register int j = i * 2; j <= n; j += i){\r\n\t\t\tdp[j][1] = (((ll)dp[j][1] + dp[i][0] + dp[i][1] - dp[i - 1][0] - dp[i - 1][1]) % m + m) % m;\r\n\t\t}\r\n\t}\r\n\tprintf(\"%d\", (dp[n][0] + dp[n][1]) % m);\r\n\treturn 0;\r\n}", "src_uid": "77443424be253352aaf2b6c89bdd4671"}
{"source_code": "#include<stdio.h>\n\nint dias_ano(int ano){\n\tif(ano%400==0){\n\t\treturn 366;\n\t}\n\tif(ano%4==0){\n\t\tif(ano%100==0){\n\t\t\treturn 365;\n\t\t}\n\t\treturn 366;\n\t}\t\n\treturn 365;\n}\n\nint main(void){\n\tint ano;\n\tint dias=0;\n\tint parada;\n\tint dia=0;\n\tscanf(\"%d\", &ano);\n\tparada = dias_ano(ano);\n\twhile(1){\n\t\tdia = dias_ano(ano);\n\t\tdias += dia;\n\t\tif(dias%7==0 && dias_ano(ano+1)==parada){break;}\n\t\tano++;\n\t}\n\tprintf(\"%d\\n\", ano+1);\n\treturn 0;\n}", "src_uid": "565bbd09f79eb7bfe2f2da46647af0f2"}
{"source_code": "#include<stdio.h>\nlong long int min(long long int n,long long int k)\n{\n\tif(n<k)\n\t\treturn n;\n\telse\n\t\treturn k;\n}\nlong long int value(long long int n,long long int k)\n{\n\tlong long int x=0;\n\twhile(n!=0)\n\t{\n\t\tx+=min(n,k);\n\t\tn-=min(n,k);\n\t\tn-=(n/10);\n\t}\n\treturn x;\n}\nint main()\n{\n\tlong long int x,m,n,k,l=1,ans,r;\n\tscanf(\"%lld\",&n);\n\tr=n;\n\tans=r;\n\twhile(l<=r)\n\t{\n\t\tk=(l+r)/2;\n\t\tx=value(n,k);\n\t\tif(x*2>=n)\n\t\t{\n\t\t\tans=k;\n\t\t\tr=k-1;\n\t\t}\n\t\telse\n\t\t\tl=k+1;\n\t}\n\tprintf(\"%lld\\n\",ans);\n}\n", "src_uid": "db1a50da538fa82038f8db6104d2ab93"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nint qsort_compare (const void *a, const void *b)\n{\n    char strA = *(char*)a;\n    char strB = *(char*)b;\n    return strA - strB;\n}\n\nint main()\n{\n    char n[100];\n    char n2[100];\n    int i;\n\n    scanf (\" %s\", n);\n    scanf (\" %s\", n2);\n\n    qsort (n, strlen (n), 1, qsort_compare);\n\n    for (i = 0; n[i] == '0'; i++);\n\n    if (n[i] != '\\0')\n    {\n        char c = n[i];\n        n[i] = n[0];\n        n[0] = c;\n    }\n\n    for (i = 0; n[i] == n2[i] && n[i] && n2[i]; i++);\n    \n    if (!n[i] && !n2[i])\n        printf(\"OK\");\n    else\n        printf(\"WRONG_ANSWER\");\n\n    return 0;\n}\n", "src_uid": "d1e381b72a6c09a0723cfe72c0917372"}
{"source_code": "#include<stdio.h>\nint main(void)\n{\n    long long int n,k,t;\n    scanf(\"%lld %lld %lld\",&n,&k,&t);\n    if(t>=(n+k))\n        t%=(n+k);\n    if(t<=k)\n        printf(\"%lld\\n\",t);\n    else if(t>k&&t<=n)\n        printf(\"%lld\\n\",k);\n    else if(t<(n+k)&&t>n)\n        printf(\"%lld\\n\",((n+k)-t));\n    return 0;\n}\n", "src_uid": "7e614526109a2052bfe7934381e7f6c2"}
{"source_code": "#include<stdio.h>\n\nlong long perm(int n, int i) {\n\tlong long sum = 1;\n\twhile (i--) sum = sum * n--;\n\treturn sum;\n}\n\nlong long comb(int n, int i) {\n\treturn perm(n, i) / perm(i, i);\n}\n\nint main() {\n\tint n, k;\n\tscanf(\"%d %d\", &n, &k);\n\tlong long dp[5], sum, tt, temp;\n\tdp[0] = 1;\n\tdp[1] = 1;\n\n\tfor (int i = 2; i <= k; i++) {\n\t\tsum = comb(n, i) * perm(i, i);\n\t\ttemp = 0;\n\t\tfor (int j = i - 1; j >= 0; j--) {\n\t\t\ttt = comb(n - j, i - j) - 1;\n\t\t\tsum -= (tt - temp) * dp[j];\n\t\t\ttemp += tt - temp;\n\t\t}\n\t\tdp[i] = sum;\n\t}\n\n\tprintf(\"%lld\", dp[k]);\n}", "src_uid": "96d839dc2d038f8ae95fc47c217b2e2f"}
{"source_code": "/*\n ============================================================================\n Name        : diplomas.c\n Author      : \n Version     :\n Copyright   : Your copyright notice\n Description : Hello World in C, Ansi-style\n ============================================================================\n */\n\n#include <stdio.h>\n#include <stdlib.h>\n\nint main(void) {\n    int n;\n    scanf(\"%i\",&n);\n    if ( n >= 3 && n <= 3000000)\n    {\n        int min1,min2,min3;\n        int max1,max2,max3;\n        scanf(\"%i\",&min1);\n        scanf(\"%i\",&max1);\n        scanf(\"%i\",&min2);\n        scanf(\"%i\",&max2);\n        scanf(\"%i\",&min3);\n        scanf(\"%i\",&max3);\n        if((min1 >= 1) && (max1 >= min1) && (1000000 >= max1) && (min2 >= 1) && (max2 >= min2) && (1000000 >= max2) && (min3 >= 1) && (max3 >= min3) && (1000000 >= max3) )\n        {\n            int n1 = min1;\n            int n2 = min2;\n            int n3 = min3;\n\n            while(  (n1 + n2 + n3) < n )\n            {\n                if ( n1 < max1 )\n                {\n                    n1++;\n                }\n                else if ( n2 < max2 )\n                {\n                    n2++;\n                }\n                else\n                {\n                    n3++;\n                }\n            }\n            printf(\"%i %i %i\",n1,n2,n3);\n            fflush(stdout);\n            return 0;\n        }\n        else\n            return 0;\n    }\n    else\n        return 0;\n}\n", "src_uid": "3cd092b6507079518cf206deab21cf97"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n;\n    while(~scanf(\"%d\",&n))\n    {\n        if(n<=10||n>21)  printf(\"0\\n\");\n        else if(n>=12&&n<=19)  printf(\"4\\n\");\n        else if(n==20)  printf(\"15\\n\");\n        else if(n==11||n==21)  printf(\"4\\n\");\n    }\n    return 0;\n}\n", "src_uid": "5802f52caff6015f21b80872274ab16c"}
{"source_code": "/**\n * Recently, a chaotic virus Hexadecimal advanced a new theorem which will shake the Universe.\n * She thinks that each Fibonacci number can be represented as sum of three not necessary different\n * Fibonacci numbers.\n *\n * Let's remember how Fibonacci numbers can be calculated. F0 =0, F1 = 1, and all the next numbers are Fi = F(i-2) + F(i-1).\n *\n * So, Fibonacci numbers make a sequence of numbers: 0, 1, 1, 2, 3, 5, 8, 13, ...\n *\n * If you haven't run away from the PC in fear, you have to help the virus. Your task is to divide given Fibonacci number\n * n by three not necessary different Fibonacci numbers or say that it is impossible.\n *\n * Input\n * The input contains of a single integer n (0 ≤ n < 10^9) — the number that should be represented by the rules described\n * Auto-Indent : Ctrl + K + D\n * Output\n * Output three required numbers: a, b and c. If there is no answer for the test you have to print \"I'm too stupid to solve\n * this problem\" without the quotes.\n *\n * If there are multiple answers, print any of them.\n *\n * Examples\n *\n * Input\n * 3\n *\n * Output\n * 1 1 1\n *\n * Input\n * 13\n *\n * Output\n * 2 3 8\n */\n\n#include <stdio.h>\n#include <stdlib.h>\n\nint main(void) {\n\n\t// User input\n\tint n = 0;\n\n\t// Current term\n\tint t1 = 0;\n\n\t// Next term\n\tint t2 = 1;\n\t\n\t// Array to store squence\n\tlong F[10000];\n\n\t// Next next successive term\n\tint nextTerm = 0;\n\n\t/* F[i] = F[i-1] + F[i-2]\n\t   F[i-2] = F[i-3] + F[i-4]\n\t   F[i] = F[i-1] + F[i-3] + F[i-4]\n\n\t   F[i] = F[i-2]+F[i-3] + F[i-2]\n\t*/\n\t\n\t// nextTerm is sum of current and successive term\n\t\tnextTerm = t1 + t2;\n\n\t//Read user input ('n')\n\tscanf(\"%d\", &n);\n\n\tF[0] = 0;\n\tF[1] = 1;\n\tF[2] = 1;\n\t\n\t//Calculate the fibonacci sequence and store it of later use\n\tfor (int i = 3; F[i] <= n; i++) {\n\n\t\t//printf(\"%d \", t1);\n\t\tF[i] = F[i-1]+F[i-2];\n\n\t\tif(n==F[i])\n\t\t{\n\t\t\tprintf(\"%d %d %d\",F[i-3],F[i-2],F[i-2]);\n\t\t\treturn EXIT_SUCCESS;\n\t\t}\n\t}\n\n\tprintf(\"0 0 %d\",n);\n\n\treturn EXIT_SUCCESS;\n}", "src_uid": "db46a6b0380df047aa34ea6a8f0f93c1"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,a,b,i,x,s[10005];\n    scanf(\"%d %d %d\",&n,&a,&b);\n\n    for(i=0;i<n;i++)\n    {\n        s[i]=2;\n\n    }\n\n    for(i=0;i<a;i++)\n    {\n        scanf(\"%d\",&x);\n        s[x-1]=1;\n    }\n    for(i=0;i<b;i++)\n    {\n        scanf(\"%d\",&x);\n    }\n     for(i=0;i<n;i++)\n    {\n        printf(\"%d \",s[i]);\n\n    }\n}\n", "src_uid": "a35a27754c9c095c6f1b2d4adccbfe93"}
{"source_code": "#include <stdio.h>\nint main()\n{\n    int m,n,i=0,a[120],b[120],sum1=0,sum2=0,k=1,z=0;\n    scanf(\"%d\",&m);\n    for(n=0;n<m;n++)\n        {\n            scanf(\"%d\",&a[n]);\n            sum1=sum1+a[n];\n        }\n    for(n=0;n<m;n++)\n    {\n         scanf(\"%d\",&b[n]);\n         sum2=sum2+b[n];\n    }\n    for(n=0;n<m;n++)\n    {\n        if(a[n]!=b[n]&&a[n]==1&&b[n]==0)\n            i++;\n        if(a[n]!=b[n])\n            z=1;\n    }\n    if(i==0||z==0)\n    {\n        printf(\"-1\");\n        return 0;\n    }\n    while(sum1<=sum2)\n    {\n        sum1=sum1+i;\n        k++;\n    }\n    printf(\"%d\",k);\n}\n", "src_uid": "b62338bff0cbb4df4e5e27e1a3ffaa07"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#include<string.h>\nint main()\n{\n    long long int i,j=0,k=0,n,t_h,h,t_m,m;\n    char ch[1005],previous='z';\n    scanf(\"%lld \",&n);\n    gets(ch);\n\n    if(n==1){\n        if(ch[0]=='0') printf(\"No\\n\");\n        else printf(\"Yes\\n\");\n\n        return 0;\n    }\n\n    if((ch[0]==ch[1] && ch[0]=='0') || (ch[n-1]==ch[n-2] && ch[n-1]=='0'))\n       {\n           printf(\"No\\n\");\n           return 0;\n       }\n    for(i=0;i<n;i++){\n\n        if(ch[i]=='0'){\n            j++;\n            k=0;\n        }\n\n        else{               //if ch[i]=='1'//\n            k++;\n            j=0;\n        }\n        if(j>2 || k>1)\n        {\n            printf(\"No\\n\");\n            return 0;\n        }\n    }\n\n    printf(\"Yes\\n\");\n\n    return 0;\n}\n", "src_uid": "c14d255785b1f668d04b0bf6dcadf32d"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <ctype.h>\n#define LL long long\nlong num[1000000];\nlong num2[1000000];\nlong shit[1000000];\nlong ans[1000000];\nlong ms[1000000];\nint compare(long a,long b)\n{\n\treturn num[a]-num[b];\n}\nvoid mergesort(long *ds,int (*compare)(long a,long b),long size)\n{\n\tlong i,j,k,s,b,e;\n\tfor (k=1;k<=size;k=k<<1)\n\t{\n\t\tfor (i=1;i+k<=size;i+=k<<1)\n\t\t{\n\t\t\ts=i;b=i+k;e=b+k-1;\n\t\t\tif (e>size) {e=size;}\n\t\t\tfor (j=1;(s<i+k)&&(b<=e);j++)\n\t\t\t{\n\t\t\t\tif (compare(ds[s],ds[b])<=0)\n\t\t\t\t{\n\t\t\t\t\tms[j]=ds[s++];\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tms[j]=ds[b++];\n\t\t\t\t}\n\t\t\t}\n\t\t\tfor (b=i+k-1;b>=s;b--)\n\t\t\t{\n\t\t\t\tds[e--]=ds[b];\n\t\t\t}\n\t\t\tfor (b=1;b<j;b++)\n\t\t\t{\n\t\t\t\tds[i+b-1]=ms[b];\n\t\t\t}\n\t\t}\n\t}\n}\nint main()\n{\n//\tfreopen(\"in.in\",\"r\",stdin);\n\tlong i,j,k,n,l,r,a,b,c;\n\tLL ans1,ans2;\n\tscanf(\"%ld\",&n);\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tscanf(\"%ld\",&num[i]);\n\t\tshit[i]=i;\n\t}\n\tmergesort(shit,&compare,n);\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tif (num[shit[i]]==num[shit[i+1]]) {goto FAIL;}\t\t\n\t}\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tnum2[shit[i]]=i;\n\t}\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tans[i]=num[shit[num2[i]%n+1]];\n\t}\n\tfor (i=1;i<n;i++)\n\t{\n\t\tprintf(\"%ld \",ans[i]);\n\t}\n\tprintf(\"%ld\\n\",ans[i]);\n\tgoto EXIT;\nFAIL:\n\tprintf(\"-1\\n\");\nEXIT:\n\treturn 0;\n}\n", "src_uid": "e314642ca1f82be8f223e2eba00b5531"}
{"source_code": "/* Author Kh. Assaduzzaman Sohan  */\n\n#include<stdio.h>\n#include<string.h>\n#include<math.h>\n#define mod 100000007\nchar x[100001]= {'1','2','3','4','5','6','7','8','9','1','0','1','1','1','2','1','3','1','4','1','5','1','6','1','7','1','8','1','9','2','0','2','1','2','2','2','3','2','4','2','5','2','6','2','7','2','8','2','9','3','0','3','1','3','2','3','3','3','4','3','5','3','6','3','7','3','8','3','9','4','0','4','1','4','2','4','3','4','4','4','5','4','6','4','7','4','8','4','9','5','0','5','1','5','2','5','3','5','4','5','5','5','6','5','7','5','8','5','9','6','0','6','1','6','2','6','3','6','4','6','5','6','6','6','7','6','8','6','9','7','0','7','1','7','2','7','3','7','4','7','5','7','6','7','7','7','8','7','9','8','0','8','1','8','2','8','3','8','4','8','5','8','6','8','7','8','8','8','9','9','0','9','1','9','2','9','3','9','4','9','5','9','6','9','7','9','8','9','9','1','0','0','1','0','1','1','0','2','1','0','3','1','0','4','1','0','5','1','0','6','1','0','7','1','0','8','1','0','9','1','1','0','1','1','1','1','1','2','1','1','3','1','1','4','1','1','5','1','1','6','1','1','7','1','1','8','1','1','9','1','2','0','1','2','1','1','2','2','1','2','3','1','2','4','1','2','5','1','2','6','1','2','7','1','2','8','1','2','9','1','3','0','1','3','1','1','3','2','1','3','3','1','3','4','1','3','5','1','3','6','1','3','7','1','3','8','1','3','9','1','4','0','1','4','1','1','4','2','1','4','3','1','4','4','1','4','5','1','4','6','1','4','7','1','4','8','1','4','9','1','5','0','1','5','1','1','5','2','1','5','3','1','5','4','1','5','5','1','5','6','1','5','7','1','5','8','1','5','9','1','6','0','1','6','1','1','6','2','1','6','3','1','6','4','1','6','5','1','6','6','1','6','7','1','6','8','1','6','9','1','7','0','1','7','1','1','7','2','1','7','3','1','7','4','1','7','5','1','7','6','1','7','7','1','7','8','1','7','9','1','8','0','1','8','1','1','8','2','1','8','3','1','8','4','1','8','5','1','8','6','1','8','7','1','8','8','1','8','9','1','9','0','1','9','1','1','9','2','1','9','3','1','9','4','1','9','5','1','9','6','1','9','7','1','9','8','1','9','9','2','0','0','2','0','1','2','0','2','2','0','3','2','0','4','2','0','5','2','0','6','2','0','7','2','0','8','2','0','9','2','1','0','2','1','1','2','1','2','2','1','3','2','1','4','2','1','5','2','1','6','2','1','7','2','1','8','2','1','9','2','2','0','2','2','1','2','2','2','2','2','3','2','2','4','2','2','5','2','2','6','2','2','7','2','2','8','2','2','9','2','3','0','2','3','1','2','3','2','2','3','3','2','3','4','2','3','5','2','3','6','2','3','7','2','3','8','2','3','9','2','4','0','2','4','1','2','4','2','2','4','3','2','4','4','2','4','5','2','4','6','2','4','7','2','4','8','2','4','9','2','5','0','2','5','1','2','5','2','2','5','3','2','5','4','2','5','5','2','5','6','2','5','7','2','5','8','2','5','9','2','6','0','2','6','1','2','6','2','2','6','3','2','6','4','2','6','5','2','6','6','2','6','7','2','6','8','2','6','9','2','7','0','2','7','1','2','7','2','2','7','3','2','7','4','2','7','5','2','7','6','2','7','7','2','7','8','2','7','9','2','8','0','2','8','1','2','8','2','2','8','3','2','8','4','2','8','5','2','8','6','2','8','7','2','8','8','2','8','9','2','9','0','2','9','1','2','9','2','2','9','3','2','9','4','2','9','5','2','9','6','2','9','7','2','9','8','2','9','9','3','0','0','3','0','1','3','0','2','3','0','3','3','0','4','3','0','5','3','0','6','3','0','7','3','0','8','3','0','9','3','1','0','3','1','1','3','1','2','3','1','3','3','1','4','3','1','5','3','1','6','3','1','7','3','1','8','3','1','9','3','2','0','3','2','1','3','2','2','3','2','3','3','2','4','3','2','5','3','2','6','3','2','7','3','2','8','3','2','9','3','3','0','3','3','1','3','3','2','3','3','3','3','3','4','3','3','5','3','3','6','3','3','7','3','3','8','3','3','9','3','4','0','3','4','1','3','4','2','3','4','3','3','4','4','3','4','5','3','4','6','3','4','7','3','4','8','3','4','9','3','5','0','3','5','1','3','5','2','3','5','3','3','5','4','3','5','5','3','5','6','3','5','7','3','5','8','3','5','9','3','6','0','3','6','1','3','6','2','3','6','3','3','6','4','3','6','5','3','6','6','3','6','7','3','6','8','3','6','9','3','7','0'};\nint main()\n{\n    int n,i,a;\n    scanf(\"%d\",&n);\n    printf(\"%c\",x[n-1]);\n\n    return 0;\n}\n", "src_uid": "2d46e34839261eda822f0c23c6e19121"}
{"source_code": "#include<stdio.h>\nint dist_square(int x1,int y1, int x2, int y2)\n{\n\tint dist=(x2-x1)*(x2-x1) + (y2-y1)*(y2-y1);\n\treturn dist;\n}\nint check_right(int x1,int y1,int x2,int y2,int x3,int y3)\n{\n\tint a=dist_square(x2,y2,x3,y3);\n\tint b=dist_square(x1,y1,x3,y3);\n\tint c=dist_square(x1,y1,x2,y2);\n\tif(a==(b+c) || (b==(a+c)) || (c==(a+b)))\n\treturn 1;\n\telse\n\treturn 0;\n}\nint check_tria(int x1,int y1, int x2, int y2, int x3,int y3)\n{\n\tif(x1==x2 && y1==y2)\n\treturn 0;\n\tif(x1==x3 && y1==y3)\n\treturn 0;\n\tif(x2==x3 && y2==y3)\n\treturn 0;\n\treturn 1;\n}\nint main()\n{\n\tint x1,y1,x2,y2,x3,y3;\n\tscanf(\"%d%d%d%d%d%d\",&x1,&y1,&x2,&y2,&x3,&y3);\n\tif(check_right(x1,y1,x2,y2,x3,y3)==1 && check_tria(x1,y1,x2,y2,x3,y3)==1)\n\t{\n\t\t\n\t\tprintf(\"RIGHT\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1-1,y1,x2,y2,x3,y3)==1 && check_tria(x1-1,y2,x2,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1+1,y1,x2,y2,x3,y3)==1 && check_tria(x1+1,y1,x2,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1-1,x2,y2,x3,y3)==1 && check_tria(x1,y1-1,x2,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1+1,x2,y2,x3,y3)==1 && check_tria(x1,y1+1,x2,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2-1,y2,x3,y3)==1 && check_tria(x1,y1,x2-1,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2+1,y2,x3,y3)==1 && check_tria(x1,y1,x2+1,y2,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2-1,x3,y3)==1 && check_tria(x1,y1,x2,y2-1,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2+1,x3,y3)==1 && check_tria(x1,y1,x2,y2+1,x3,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2,x3-1,y3)==1 && check_tria(x1,y1,x2,y2,x3-1,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2,x3+1,y3)==1 && check_tria(x1,y1,x2,y2,x3+1,y3)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2,x3,y3-1)==1 && check_tria(x1,y1,x2,y2,x3,y3-1)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tif(check_right(x1,y1,x2,y2,x3,y3+1)==1 && check_tria(x1,y1,x2,y2,x3,y3+1)==1)\n\t{\n\t\tprintf(\"ALMOST\");\n\t\treturn 0;\n\t}\n\tprintf(\"NEITHER\");\n\treturn 0;\n}", "src_uid": "8324fa542297c21bda1a4aed0bd45a2d"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n#define bool int\n#define true 1\n#define false 0\n\n#define swap(a,b) {*(a)=*(a)^*(b);*(b)=*(a)^*(b);*(a)=*(a)^*(b);}\n\nbool next_permutation(int *a,int len)\n{\n    if(len == 1)\n        return false;\n    int i,j;\n    int left;\n    i = len - 1;\n    left = len;\n    for(i; i>0; i--)\n        if(a[i] > a[i-1])\n        {\n            left = i - 1;\n            break;\n        }\n    if(left == len)\n        return false;\n    if(left == len - 2)\n    {\n        swap(&a[left],&a[left+1]);\n        return true;\n    }\n    i = len - 1;\n    for(i; i>left; i--)\n        if(a[i] > a[left])\n        {\n            swap(&a[i],&a[left]);\n            break;\n        }\n    i = len - 1;\n    j = left + 1;\n    for(i,j; i>j; i--,j++)\n        swap(&a[i],&a[j]);\n    return true;\n}\n\nint diff(char **a,int len)\n{\n    int *num;\n    num = (int*)malloc(sizeof(int) * len);\n    int i,max,min;\n    for(i=0; i<len; i++)\n    {\n        num[i] = atoi((const char*)a[i]);\n    }\n    max=min=num[0];\n    for(i=0; i<len; i++)\n    {\n        if(num[i]>max)\n            max=num[i];\n        else if(num[i]<min)\n            min=num[i];\n    }\n    free(num);\n    num = NULL;\n    return max-min;\n}\n\nvoid exchange(char** a,int* b,int n,int l)\n{\n    int i,j;\n    char *temp;\n    temp = (char*)malloc(l+1);\n    \n    for(i=0; i<n; i++)\n    {\n        memset(temp,0,l+1);\n        for(j=0; j<l; j++)\n        {\n            temp[j]=a[i][b[j]];\n        }\n        memcpy(a[i],temp,l+1);\n    }\n    free(temp);\n    temp=NULL;\n}\n\nint main(void)\n{\n    int n,m;\n    int i,j;\n    int mini;\n    scanf(\"%d%d\",&n,&m);\n    int line[8];\n    for(j=0; j<8; j++)\n        line[j] = j;\n    char *num[8];\n    char *numbat[8];\n    \n    for(i=0; i<n; i++)\n    {\n        num[i] = (char*)malloc(m+1);\n        numbat[i] = (char*)malloc(m+1);\n        memset(num[i],0,m+1);\n        scanf(\"%s\",num[i]);\n        memcpy(numbat[i],num[i],m+1);\n    }\n    int dif;\n    dif = diff(num,n);\n    mini = dif;\n    while(next_permutation(line,m))\n    {\n        for(i=0; i<n; i++)\n        {   \n            memcpy(num[i],numbat[i],m+1);\n        }\n        exchange(num,line,n,m);\n        dif = diff(num,n);\n        if(dif < mini)\n            mini = dif;\n    }\n    printf(\"%d\\n\",mini);\n    for(i=0; i<n; i++)\n    {\n        free(num[i]);\n        num[i]=NULL;\n        free(numbat[i]);\n        numbat[i]=NULL;\n    }\n    return 0;\n}\n", "src_uid": "08f85cd4ffbd135f0b630235209273a4"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n    {\n        int m,n,ok=1;\n        scanf(\"%d %d\",&m,&n);\n        getchar();\n        char a[1001][1001]={0};\n        char b[1001][1001]={0};\n        memset(b,'.',1001*1001);\n        for(int i=0;i<m;i++)\n            {\n                gets(a[i]);\n            }\n        for(int i=0;i<m;i++){\n            for(int j=0;j<n;j++)\n                {\n                    if(a[i][j]=='#'&&a[i][j+1]=='#'&&a[i][j+2]=='#'&&a[i+1][j]=='#'&&a[i+1][j+2]=='#'&&a[i+2][j]=='#'\n                   &&a[i+2][j+1]=='#'&&a[i+2][j+2]=='#')\n                    b[i][j]='#',b[i][j+1]='#',b[i][j+2]='#',b[i+1][j]='#',b[i+2][j]='#',b[i+1][j+2]='#',b[i+2][j+1]='#',b[i+2][j+2]='#';\n                }\n\n    }\n\n    for(int i=0;i<m;i++)\n        {\n            for(int j=0;j<n;j++)\n                {\n                    if(a[i][j]!=b[i][j])\n                        {\n                            printf(\"NO\\n\");\n                            exit(0);\n                        }\n\n                }\n        }\n        printf(\"YES\\n\");\n    }\n", "src_uid": "49e5eabe8d69b3d27a251cccc001ab25"}
{"source_code": "#include <stdio.h>\n\nint a[4],b[4],a2[4],a3[4];\n\nint mypow(int a,int k)\n{\n\tint t=1;\n\twhile(k--) t*=a;\n\treturn t;\n}\nvoid div3(int k,int u)\n{\n\tif(a3[k]>=u) {a[k]/=mypow(3,u);a[k]*=mypow(2,u);a2[k]+=u;}\n\telse {\n\t\ta[k]/=mypow(3,a3[k]); a[k]*=mypow(2,a3[k]); a2[k]+=a3[k];\n\t\ta[k+1]/=mypow(3,u-a3[k]); a[k+1]*=mypow(2,u-a3[k]); a2[k+1]+= (u-a3[k]);\n\t}\n}\n\nvoid div2(int k,int v)\n{\n\tif(a2[k]>=v) a[k]/=mypow(2,v);\n\telse {\n\t\ta[k]/=mypow(2,a2[k]);\n\t\ta[k+1]/=mypow(2,v-a2[k]);\n\t}\n}\n\n\nint main()\n{\n\tint i,t,u,v;\n\tfor(i=0;i<4;i++)\n\t{\n\t\tscanf(\"%d\",a+i);\n\t\tb[i]=a[i];a2[i]=0;a3[i]=0;\n\t\twhile(b[i]!=1&&b[i]%2==0) {a2[i]++;b[i]/=2;}\n\t\twhile(b[i]!=1&&b[i]%3==0) {a3[i]++;b[i]/=3;}\n\t}\n\tif((long long)b[0]*b[1]!=(long long)b[2]*b[3])\n\t\t{printf(\"-1\\n\");return 0;}\n\tu = (a3[0]+a3[1]) - (a3[2]+a3[3]);\n\tv = (a2[0]+a2[1]) - (a2[2]+a2[3]) + u;\n\tif(v<0) t=-v; else t=v;\n\tif(u<0) t-=u; else t+=u;\n\tprintf(\"%d\\n\",t);\n\tif(u>0) div3(0,u);\n\telse if(u<0) div3(2,-u);\n\tif(v>0) div2(0,v);\n\telse if(v<0) div2(2,-v);\n\tprintf(\"%d %d\\n%d %d\\n\",a[0],a[1],a[2],a[3]);\n\treturn 0;\n}\n", "src_uid": "4fcd8c4955a47661462c326cbb3429bd"}
{"source_code": "#include <stdio.h>\n\n#define MOD 998244353LL\n\nlong long f[200001];\n\nlong long power(long long x, long long n){\n    long long res;\n    if(n==0){\n        return 1;\n    }\n    if(n==1){\n        return x%MOD;\n    }\n\n    res=power(x, n/2);\n    res%=MOD;\n    res*=res;\n    res%=MOD;\n    if(n & 1LL){\n        res*=x;\n        res%=MOD;\n    }\n    return res%MOD;\n}\n\nlong long fibo(){\n    int i;\n    for(i=3; i<=200000; ++i){\n        f[i]=f[i-2]+f[i-1];\n        f[i]%=MOD;\n    }\n}\n\nint main(void){\n    long long N, res;\n\n    scanf(\"%lld\", &N);\n    if(N==1){\n        printf(\"%lld\", power(2, MOD-2)%MOD);\n        return 0;\n    }\n    else if(N==2){\n        printf(\"%lld\", power(4, MOD-2)%MOD);\n        return 0;\n    }\n    f[1]=f[2]=1;\n    fibo();\n    \n    res=((f[N]%MOD)*(power(power(2, N)%MOD, MOD-2)%MOD))%MOD;\n    //(2*N-5)/2^N\n    printf(\"%lld\", res);\n\n    return 0;\n}\n\n/*\nx^MOD == x (mod MOD)\nx^(MOD-1) == 1 (mod MOD)\nx * x^(MOD-2) == 1 (mod MOD)\n\n2*N-5 mod MOD * (2^N)^-1 mod MOD\n*/", "src_uid": "cec37432956bb0a1ce62a0188fe2d805"}
{"source_code": "/***********************************************\n * Program Name: ex1\n * OS:           Linus 8\n * Compiler:     GCC\n * Author:       KlareH <klare0216@gmail.com>\n * Description: \n *\n * ********************************************/\n\n#include <stdio.h>\n#define t_mol     1000000007\n\nint main(void){\n  int n = 0;\n  int i, c1, c2;\n  long long all_kind, six_kind;\n \n  all_kind = six_kind = 1;\n  c1 = c2 = 0;\n  \n  \n  scanf(\"%d\", &n);\n  \n  for(i = (3 * n);i > 0;i--){\n    all_kind *= 3;\n   // c1 += all_kind / t_mol;\n    all_kind = ( all_kind % t_mol );\n  }\n  \n  //printf(\"all = %d + %d\\n\", c1, all_kind);\n  \n  for(i = n;i > 0;i--){\n    six_kind *= 7;\n  //  c2 += six_kind / t_mol;\n    six_kind = ( six_kind % t_mol );\n  }\n\n  //printf(\"six = %d + %d\\n\", c2, six_kind);\n  \n  //c1 -= c2;\n  \n  all_kind = all_kind - six_kind;\n  if (all_kind < 0 ){\n  //  c1 -= 1;\n    all_kind += t_mol;\n  }\n  printf(\"%d\\n\", all_kind);\n\n  return 0;\n}\n", "src_uid": "eae87ec16c284f324d86b7e65fda093c"}
{"source_code": "#include <stdio.h>   \nint main(void) \n{\n    int *a;\n    int b,i,k=100,x=0;\n    scanf(\"%d\",&b);\n    a = malloc(b*sizeof(int));\n    for(i=0;i<b;i++)\n    {\n        scanf(\"%d\", &a[i]);\n        if(a[i]<k)k=a[i];\n    }\n    for(i=0; i<b; i++)\n        if(a[i]==k)x++;\n    if(x>b/2)printf(\"Bob\\n\");\n    else printf(\"Alice\\n\");\n\n    return 0;\n}", "src_uid": "4b9cf82967aa8441e9af3db3101161e9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a1,a2,a3,b1,b2,b3;\n    scanf(\"%d%d%d\",&a1,&a2,&a3);\n    scanf(\"%d%d%d\",&b1,&b2,&b3);\n    if((a1==0&&a2==0&&a3!=0)||(b1==0&&b2==0&&b3!=0)) printf(\"0\");\n    else if((a1*b2-a2*b1)!=0) printf(\"1\");\n       else if((a1*b3-b1*a3)==0) printf(\"-1\");\n    else printf(\"0\");\n    return 0;\n} ", "src_uid": "c8e869cb17550e888733551c749f2e1a"}
{"source_code": "#include <ctype.h>\n#include <stdio.h>\n#include <string.h>\n\nint main() {\n\tstatic char s[256], used[26];\n\tint n, i, max, cnt;\n\n\tscanf(\"%d%s\", &n, s);\n\tmax = cnt = 0;\n\tfor (i = 0; i < n; i++)\n\t\tif (isupper(s[i])) {\n\t\t\tmemset(used, 0, sizeof used);\n\t\t\tcnt = 0;\n\t\t} else {\n\t\t\tif (!used[s[i] - 'a']) {\n\t\t\t\tused[s[i] - 'a'] = 1;\n\t\t\t\tcnt++;\n\t\t\t}\n\t\t\tif (max < cnt)\n\t\t\t\tmax = cnt;\n\t\t}\n\tprintf(\"%d\\n\", max);\n\treturn 0;\n}\n", "src_uid": "567ce65f87d2fb922b0f7e0957fbada3"}
{"source_code": "#include <stdio.h>\ntypedef long long int i64;\ni64 min(i64 a, i64 b) {\n    return a < b ? a : b;\n}\nint main(void) {\n    i64 a, b, c, d, ans = 0;\n    scanf(\"%I64d%I64d%I64d%I64d\", &a, &b, &c, &d);\n    for (int i = 0; i <= 100; i++) {\n\t\tfor (int j = 0; j <= 100; j++) {\n\t\t\tif (b + a*i == d + c*j) {\n\t\t\t\tans = ans == 0 ? b + a * i : min(b + a*i, ans);\n\t\t\t}\n\t\t}\n\t}\n\tprintf(\"%I64d\", ans ? ans : -1);\n\treturn 0;\n}", "src_uid": "158cb12d45f4ee3368b94b2b622693e7"}
{"source_code": "#define _CRT_SECURE_NO_WARNINGS\r\n#include <stdio.h>\r\nlong long int arrey[31];\r\nlong long int num[31] = { 0,2,\r\n4,\r\n8,\r\n16,\r\n32,\r\n64,\r\n128,\r\n256,\r\n512,\r\n1024,\r\n2048,\r\n4096,\r\n8192,\r\n16384,\r\n32768,\r\n65536,\r\n131072,\r\n262144,\r\n524288,\r\n1048576,\r\n2097152,\r\n4194304,\r\n8388608,\r\n16777216,\r\n33554432,\r\n67108864,\r\n134217728,\r\n268435456,\r\n536870912,\r\n1073741824};\r\n\r\nint main()\r\n{\r\n\tlong long int temp;\r\n\tlong long int n;\r\n\t\r\n\tscanf(\"%lld\", &n);\r\n\tfor (int i = 1;i <= n;i++)\r\n\t{\r\n\t\tscanf(\"%d\", &arrey[i]);\r\n\t}\r\n\t\r\n\tfor (int k = 1;k <= n;k++)\r\n\t{\r\n\t\t\r\n\t\ttemp = arrey[k];\r\n\t\t\r\n\t\tif (temp== 1)\r\n\t\t{\r\n\t\t\tprintf(\"1\\n\");\r\n\t\t\t\r\n\t\t}\r\n\t\telse if (temp == 2)\r\n\t\t{\r\n\t\t\tprintf(\"3\\n\");\r\n\t\t\t\r\n\t\t}\r\n\t\telse if (temp == 3)\r\n\t\t{\r\n\t\t\tprintf(\"7\\n\");\r\n\t\t\t\r\n\t\t}\r\n\t\telse if (temp > 3)\r\n\t\t{\r\n\t\t\tprintf(\"%lld\\n\", num[temp] - 1);\r\n\t\t\t\r\n\t\t}\r\n\t}\r\n\r\n}", "src_uid": "d5e66e34601cad6d78c3f02898fa09f4"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nvoid zidian(char str[]);\nint main()\n{\n\tint i,len;\n\tchar str[11];\n\tchar s1[11],s2[11];\n\tscanf(\"%s\",str);\n\tlen=strlen(str);\n\tif(len%2==0)\n\t{\n\t\tfor(i=0;i<len;i++)\n\t\t{\n\t\t\tif(i<len/2)\n\t\t\t\ts1[i]='4';\n\t\t\telse\n\t\t\t\ts1[i]='7';\n\t\t}\n\t\ts1[i]=0;\n\t\tfor(i=0;i<len;i++)\n\t\t{\n\t\t\tif(i<len/2)\n\t\t\t\ts2[i]='7';\n\t\t\telse\n\t\t\t\ts2[i]='4';\n\t\t}\n\t\ts2[i]=0;\n\t\tif(strcmp(s2,str)<0)\n\t\t{\n\t\t\tlen=len+2;\n\t\t\tfor(i=0;i<len/2;i++)\n\t\t\t\tstr[i]='4';\n\t\t\tfor(i=len/2;i<len;i++)\n\t\t\t\tstr[i]='7';\n\t\t\tstr[i]=0;\n\t\t}\n\t\telse\n\t\t{\n\t\t\twhile(1)\n\t\t\t{\n\t\t\t\tif(strcmp(s1,str)>=0)\n\t\t\t\t{\n\t\t\t\t\tstrcpy(str,s1);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tzidian(s1);\n\t\t\t}\n\t\t}\n\n\t\t\t\n\t}\n\telse\n\t{\n\t\t\n\t\t\n\t\t\tlen+=1;\n\t\t\tfor(i=0;i<len/2;i++)\n\t\t\t\tstr[i]='4';\n\t\t\tfor(i=len/2;i<len;i++)\n\t\t\t\tstr[i]='7';\n\t\t\tstr[i]=0;\n\t}\n\tputs(str);\n\treturn 0;\n}\n\n\n\t\t\n\nvoid zidian(char str[])\n{\n\tint i,l,j,t,k,len;\n\tchar c;\n\tlen=strlen(str);\n\tfor(j=1;j<len;j++)\n\t\tif(str[j-1]<str[j])\n\t\t\ti=j;\n\tfor(k=0;k<len;k++)\n\t\tif(str[i-1]<str[k])\n\t\t\tl=k;\n\tc=str[i-1];str[i-1]=str[l];str[l]=c;\n\tfor(j=i,t=len-1;j<=t;j++,t--)\n\t{\n\t\tc=str[j];\n\t\tstr[j]=str[t];\n\t\tstr[t]=c;\n\t}\n}", "src_uid": "77b5f83cdadf4b0743618a46b646a849"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int p,q,n,d,i,j,a[105],l=1099,k=0,z=0;\n    scanf(\"%d %d\",&n,&d);\n    for(i=0;i<n;i++){\n        scanf(\"%d\",&a[i]);\n    }\n    for(i=0;i<n-1;i++){\n        for(j=i+1;j<n;j++){\n            if(a[j]<a[i]){\n                p=a[j];\n                a[j]=a[i];\n                a[i]=p;\n            }\n        }\n    }\n    for(i=0;i<n;i++){\n        k=1;\n        for(j=i+1;j<n;j++){\n            if(a[j]-a[i]<=d){\n                k++;\n            }\n            else break;\n        }\n        if(n-k<l) l=n-k;\n    }\n    printf(\"%d\",l);\n}\n", "src_uid": "6bcb324c072f796f4d50bafea5f624b2"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint a,b,y,i=0;\n\tscanf(\"%d%d\",&a,&b);\n\twhile(a<=b)\n\t{\n\t\ta=a*3;\n\t\tb=b*2;\n\t\ti++;\n\t}\n\tprintf(\"%d\\n\",i);\n\treturn 0;\n}\t\n", "src_uid": "a1583b07a9d093e887f73cc5c29e444a"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\nint Abs(int a){return a>=0?a:-a;}\nint main()\n{ int tab[5][2],i,j,stop=0,res,n;\n  scanf(\"%d\",&n);\n  for(i=0;i<n;i++){scanf(\"%d%d\",&tab[i][0],&tab[i][1]);}\n  if(n!=1)\n  {\n  for(i=0;i<n;i++)\n    {\n        for(j=i+1;j<n;j++)\n           {\n           if(tab[i][0]!=tab[j][0] && tab[i][1]!=tab[j][1] )\n              {\n                    res=Abs(tab[i][0]-tab[j][0]) * Abs(tab[i][1]-tab[j][1]);\n                    printf(\"%d\",res);\n                    return 0;\n              }\n           }\n    }\n    }\nprintf(\"-1\");\n\nreturn 0;\n}", "src_uid": "ba49b6c001bb472635f14ec62233210e"}
{"source_code": "//看来今天刚学到的知识，在这里就要运用一下了！\n//太棒了！\n#define MOD 1000000007\n#include<stdio.h>\n//需要反向！\n//没有什么参数可以减少的！\n//ABCD 0123\n//直接进行记忆\n//ABCD 0123\nint way[4][10000001];\nint main() {\n\tint n;\n\tscanf(\"%d\",&n);\n\tint i,j;\n\tfor(i=0;i<4;i++){\n\t\tway[i][0]=0;\n\t}\n\tway[0][1]=1;\n\tway[1][1]=1;\n\tway[2][1]=1;\n\tway[3][1]=0;\n\tfor(j=2;j<=n;j++){\n\t\tway[0][j]=((way[1][j-1]+way[2][j-1])%MOD+way[3][j-1])%MOD;\n\t\tway[1][j]=((way[2][j-1]+way[3][j-1])%MOD+way[0][j-1])%MOD;\n\t\tway[2][j]=((way[3][j-1]+way[0][j-1])%MOD+way[1][j-1])%MOD;\n\t\tway[3][j]=((way[0][j-1]+way[1][j-1])%MOD+way[2][j-1])%MOD;\n\t\t//printf(\"%d %d %d %d\\n\", way[0][j],way[1][j],way[2][j],way[3][j]);\n\n\t}\n\t/*有下面的四个公式反导出\n\t  way[0][step]=way[1][step-1]+way[2][step-1]+way[3][step-1];\n\t  way[1][step]=way[2][step-1]+way[3][step-1]+way[0][step-1];\n\t  way[2][step]=way[3][step-1]+way[0][step-1]+way[1][step-1];\n\t  way[3][step]=way[0][step-1]+way[1][step-1]+way[2][step-1];\n\t  */\n\t/*做了无用的工作\n\t  way[0][step]=way[1][step-1]+way[2][step-1]+way[3][step-1];\n\t  way[1][step-1]=way[2][step-1]+way[3][step-1]+way[0][step-1];\n\t  way[2][step-1]=(-1*way[0][step]+1*way[1][step]+(-2)*way[2][step]+1*way[3][step])/3;\n\t  way[3][step-1]=(-1*way[0][step]+1*way[1][step]+1*way[2][step]+(-2)*way[3][step])/3;\n\t  */\n\tprintf(\"%d\\n\",way[3][n]);\n\treturn 0;\n}\n", "src_uid": "77627cc366a22e38da412c3231ac91a8"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n\nint main () {\n\t\n\tdouble x, y, z;\n\t\n\tdouble max;\n\tint ind = 0;\n\t\n\tscanf(\"%lf %lf %lf\", &x, &y, &z);\n\t\n\tif (x - 1.0 < 1e-6 && y - 1.0 < 1e-6 && z - 1.0 < 1e-6) {\n\t\t\n\t\tmax = 1000000;\n\t\t\n\t\tif (z * log(y) + log(log(1 / x)) - max < -1e-6) {\n\t\t\tmax = z * log(y) + log(log(1 / x));\n\t\t\tind = 1;\n\t\t}\n// printf(\"%.15lf\\n\", z * log(y) + log(log(1 / x)));\n\t\tif (y * log(z) + log(log(1 / x)) - max < -1e-6) {\n\t\t\tmax = y * log(z) + log(log(1 / x));\n\t\t\tind = 2;\n\t\t}\n// printf(\"%.15lf\\n\", y * log(z) + log(log(1 / x)));\n\t\tif (log(y) + log(z) + log(log(1 / x)) - max < -1e-6) {\n\t\t\tmax = log(y) + log(z) + log(log(1 / x));\n\t\t\tind = 3;\n\t\t}\n// printf(\"%.15lf\\n\", log(y) + log(z) + log(log(1 / x)));\n\t\t\n\t\t\n\tif (z * log(x) + log(log(1 / y)) - max < -1e-6) {\n\t\t\tmax = z * log(x) + log(log(1 / y));\n\t\t\tind = 5;\n\t\t}\n// printf(\"%.15lf\\n\", z * log(x) + log(log(1 / y)));\n\t\tif (x * log(z) + log(log(1 / y)) - max < -1e-6) {\n\t\t\tmax = x * log(z) + log(log(1 / y));\n\t\t\tind = 6;\n\t\t}\n// printf(\"%.15lf\\n\", x * log(z) + log(log(1 / y)));\n\t\tif (log(x) + log(z) + log(log(1 / y)) - max < -1e-6) {\n\t\t\tmax = log(x) + log(z) + log(log(1 / y));\n\t\t\tind = 7;\n\t\t}\n// printf(\"%.15lf\\n\", log(x) + log(z) + log(log(1 / y)));\n\t\t\n\t\t\n\tif (y * log(x) + log(log(1 / z)) - max < -1e-6) {\n\t\t\tmax = y * log(x) + log(log(1 / z));\n\t\t\tind = 9;\n\t\t}\n// printf(\"%.15lf\\n\", y * log(x) + log(log(1 / z)));\n\t\tif (x * log(y) + log(log(1 / z)) - max < -1e-6) {\n\t\t\tmax = x * log(y) + log(log(1 / z));\n\t\t\tind = 10;\n\t\t}\n// printf(\"%.15lf\\n\", x * log(y) + log(log(1 / z)));\n\t\tif (log(x) + log(y) + log(log(1 / z)) - max < -1e-6) {\n\t\t\tmax = log(x) + log(y) + log(log(1 / z));\n\t\t\tind = 11;\n\t\t}\n// printf(\"%.15lf\\n\", log(x) + log(y) + log(log(1 / z)));\n\t\t\n\t\t\n\t} else {\n\t\t\n\t\tmax = -1000;\n\t\t\n\t\tif (x - 1.0 > 0.01) {\n\t\t\tif (z * log(y) + log(log(x)) - max > 1e-6) {\n\t\t\t\tmax = z * log(y) + log(log(x));\n\t\t\t\tind = 1;\n\t\t\t}\n// printf(\"%.15lf\\n\", z * log(y) + log(log(x)));\n\t\t\tif (y * log(z) + log(log(x)) - max > 1e-6) {\n\t\t\t\tmax = y * log(z) + log(log(x));\n\t\t\t\tind = 2;\n\t\t\t}\n// printf(\"%.15lf\\n\", y * log(z) + log(log(x)));\n\t\t\tif (log(y) + log(z) + log(log(x)) - max > 1e-6) {\n\t\t\t\tmax = log(y) + log(z) + log(log(x));\n\t\t\t\tind = 3;\n\t\t\t}\n// printf(\"%.15lf\\n\", log(y) + log(z) + log(log(x)));\n\t\t}\n\t\t\n\t\tif (y - 1.0 > 0.01) {\n\t\t\tif (z * log(x) + log(log(y)) - max > 1e-6) {\n\t\t\t\tmax = z * log(x) + log(log(y));\n\t\t\t\tind = 5;\n\t\t\t}\n// printf(\"%.15lf\\n\", z * log(x) + log(log(y)));\n\t\t\tif (x * log(z) + log(log(y)) - max > 1e-6) {\n\t\t\t\tmax = x * log(z) + log(log(y));\n\t\t\t\tind = 6;\n\t\t\t}\n// printf(\"%.15lf\\n\", x * log(z) + log(log(y)));\n\t\t\tif (log(x) + log(z) + log(log(y)) - max > 1e-6) {\n\t\t\t\tmax = log(x) + log(z) + log(log(y));\n\t\t\t\tind = 7;\n\t\t\t}\n// printf(\"%.15lf\\n\", log(x) + log(z) + log(log(y)));\n\t\t}\n\t\t\n\t\tif (z - 1.0 > 0.01) {\n\t\t\tif (y * log(x) + log(log(z)) - max > 1e-6) {\n\t\t\t\tmax = y * log(x) + log(log(z));\n\t\t\t\tind = 9;\n\t\t\t}\n// printf(\"%.15lf\\n\", y * log(x) + log(log(z)));\n\t\t\tif (x * log(y) + log(log(z)) - max > 1e-6) {\n\t\t\t\tmax = x * log(y) + log(log(z));\n\t\t\t\tind = 10;\n\t\t\t}\n// printf(\"%.15lf\\n\", x * log(y) + log(log(z)));\n\t\t\tif (log(x) + log(y) + log(log(z)) - max > 1e-6) {\n\t\t\t\tmax = log(x) + log(y) + log(log(z));\n\t\t\t\tind = 11;\n\t\t\t}\n// printf(\"%.15lf\\n\", log(x) + log(y) + log(log(z)));\n\t\t}\n\t}\n\t\n\tswitch (ind) {\n\t\tcase 1:\n\t\t\tprintf(\"x^y^z\\n\");\n\t\t\tbreak;\n\t\tcase 2:\n\t\t\tprintf(\"x^z^y\\n\");\n\t\t\tbreak;\n\t\tcase 3:\n\t\t\tprintf(\"(x^y)^z\\n\");\n\t\t\tbreak;\n\t\tcase 4:\n\t\t\tprintf(\"(x^z)^y\\n\");\n\t\t\tbreak;\n\t\tcase 5:\n\t\t\tprintf(\"y^x^z\\n\");\n\t\t\tbreak;\n\t\tcase 6:\n\t\t\tprintf(\"y^z^x\\n\");\n\t\t\tbreak;\n\t\tcase 7:\n\t\t\tprintf(\"(y^x)^z\\n\");\n\t\t\tbreak;\n\t\tcase 8:\n\t\t\tprintf(\"(y^z)^x\\n\");\n\t\t\tbreak;\n\t\tcase 9:\n\t\t\tprintf(\"z^x^y\\n\");\n\t\t\tbreak;\n\t\tcase 10:\n\t\t\tprintf(\"z^y^x\\n\");\n\t\t\tbreak;\n\t\tcase 11:\n\t\t\tprintf(\"(z^x)^y\\n\");\n\t\t\tbreak;\n\t\tcase 12:\n\t\t\tprintf(\"(z^y)^x\\n\");\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tprintf(\"ERROR\\n\");\n\t}\n\t\n\treturn 0;\n\t\n}", "src_uid": "a71cb5cda754ad2bf479bc3b0164fc4c"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n\n\nint main()\n{\n    long double r, g, b;\n    double n, k;\n    unsigned long int x;\n\n    scanf(\"%lf %lf\", &n, &k);\n\n    r = ceil(2*n/k);\n    g = ceil(5*n/k);\n    b = ceil(8*n/k);\n\n    x = r+g+b;\n\n\n    printf(\"%lu\", x);\n\n\n    return 0;\n}\n", "src_uid": "d259a3a5c38af34b2a15d61157cc0a39"}
{"source_code": "#include<stdio.h>\n#define TRI (c<a+b)\nmain()\n{\n    int a,b,c,t,s=0;\n    scanf(\"%d%d%d\",&a,&b,&c);\n    if(a>c && a>b)\n    t=c,c=a,a=t;\n    else if(b>c && b>a)\n    t=c,c=b,b=t;\n    if(!TRI)\n    printf(\"%d\",c-a-b+1);\n    else\n    printf(\"0\");\n    \n}", "src_uid": "3dc56bc08606a39dd9ca40a43c452f09"}
{"source_code": "//Problem 331C1:  https://codeforces.com/problemset/problem/331/C1?locale=en\n\n#include <stdio.h>\n\nint max(int a, int b);\n\nint main() {\n    int cnt = 0;\n\n    unsigned long long n;\n    scanf(\"%llu\", &n);\n    int bigger = 0;\n\n    while (n) {\n        unsigned long long k = n;\n        int aux = -1;\n        while (k) {\n            bigger = max(aux, k % 10);\n            aux = bigger;\n            k /= 10;\n        }\n        n -= bigger;\n        cnt++;\n    }\n\n    printf(\"%d\", cnt);\n    return 0;\n}\n\nint max(int a, int b) {\n    return a > b ? a : b;\n}", "src_uid": "fc5765b9bd18dc7555fa76e91530c036"}
{"source_code": "#include \"stdio.h\"\nint main(int argc, char const *argv[])\n{\n\tint n;\n\twhile(~scanf(\"%d\", &n))\n\t{\n\t\tif(n%3==0)\n\t\t{\n\t\t\tprintf(\"%d\\n\", 2*n/3);\n\t\t}\n\t\telse \n\t\t{\n\t\t\tif((n+1)%3==0)\n\t\t\t{\n\t\t\t\tprintf(\"%d\\n\", 2*(n+1)/3-1);\n\t\t\t}\n\t\t\tif((n+2)%3==0)\n\t\t\t{\n\t\t\t\tprintf(\"%d\\n\", 2*(n+2)/3-1);\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n}", "src_uid": "a993069e35b35ae158d35d6fe166aaef"}
{"source_code": "#include<stdio.h>\n#define MAX 100000\nint arr[MAX];\nint main(int argc, char const *argv[])\n{\n    int n,maxh,nr,i,sh,eh,rh,j,sum=0;\n    scanf(\"%d%d%d\",&n,&maxh,&nr);\n    for(i=1;i<=n;i++)\n    {\n        arr[i]=maxh;\n    }\n    for(i=1;i<=nr;i++)\n    {\n        scanf(\"%d%d%d\",&sh,&eh,&rh);\n        for(j=sh;j<=eh;j++)\n        {\n            if(arr[j]>rh)\n            arr[j]=rh;         \n        }\n\n    }\n    for(i=1;i<=n;i++)\n    {\n        sum=sum+arr[i]*arr[i];\n    }\n    printf(\"%d\",sum);\n\n    return 0;\n}\n", "src_uid": "f22b6dab443f63fb8d2d288b702f20ad"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nmain( )\n{  int x,y,d;\nscanf(\"%d%d\",&x,&y);\nif(x<y-1||y==0)\n    printf(\"NO\");\nelse if(x>=y-1)\n{\n    y=y-1;\n     d=x-y;\n    if(y==0&&x>0)\n        printf(\"NO\");\n\n   else if(d%2==0)\n        printf(\"YES\");\n    else\n        printf(\"NO\");\n}\n\n\n\n\n\n\n   }\n", "src_uid": "1527171297a0b9c5adf356a549f313b9"}
{"source_code": "#include<stdio.h>\nint main(void)\n{\n    int h,w,u1,d1,u2,d2,max,other,weight,other_w;\n    scanf(\"%d %d %d %d %d %d\",&w,&h,&u1,&d1,&u2,&d2);\n    max=d1>d2?d1:d2;\n    other=d1+d2-max;\n    if(max==d1)\n    {\n        weight=u1;\n        other_w=u2;\n    }\n    else\n    {\n        weight=u2;\n        other_w=u1;\n    }\n    for(h;h>=max;h--)\n        w+=h;\n    if(w>=weight)\n        w-=weight;\n    else\n        w=0;\n    for(h;h>=other;h--)\n        w+=h;\n    if(w>=other_w)\n        w-=other_w;\n    else\n        w=0;\n    for(h;h>=0;h--)\n        w+=h;\n    printf(\"%d\\n\",w);\n    return 0;\n}\n", "src_uid": "084a12eb3a708b43b880734f3ee51374"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n\nint max(int a, int b) { return a > b ? a : b; }\n\nint count(int x1, int x2, int b) {\n\tif (x1 > x2)\n\t\treturn count(x2, x1, b);\n\tif (x1 > 0)\n\t\treturn x2 / b - x1 / b;\n\tif (x2 < 0)\n\t\treturn -x1 / b - -x2 / b;\n\treturn -x1 / b + x2 / b + 1;\n}\n\nint main() {\n\tint a, b, x1, y1, x2, y2, x, y;\n\n\tscanf(\"%d%d%d%d%d%d\", &a, &b, &x1, &y1, &x2, &y2), a *= 2, b *= 2;\n\tx = x1 - y1, y = x1 + y1; x1 = x; y1 = y;\n\tx = x2 - y2, y = x2 + y2; x2 = x; y2 = y;\n\tprintf(\"%d\\n\", max(count(x1, x2, b), count(y1, y2, a)));\n\treturn 0;\n}\n", "src_uid": "7219d1837c83b5920992aee5a60dc0d9"}
{"source_code": "#include<stdio.h>\nint color[6];\nint main(void)\n{\n  int i,one,two,three,four,five,six;\n  char ch[10];\n  while(scanf(\"%s\",ch)!=EOF)\n  {\n    for(i=0;i<6;++i) color[i]=0;\n    for(i=0;i<6;++i)\n    {\n      switch(ch[i])\n      {\n        case 'R': ++color[0];break;\n        case 'O': ++color[1];break;\n        case 'Y': ++color[2];break;\n        case 'G': ++color[3];break;\n        case 'B': ++color[4];break;\n        case 'V': ++color[5];break;\n      }\n    }\n    for(i=one=two=three=four=five=six=0;i<6;++i)\n    {\n      switch(color[i])\n      {\n        case 1: ++one;break;\n        case 2: ++two;break;\n        case 3: ++three;break;\n        case 4: ++four;break;\n        case 5: ++five;break;\n        case 6: ++six;break;\n      }\n    }\n    if(one==6) puts(\"30\");\n    else if(one==4) puts(\"15\");\n    else if(one==3) puts(\"5\");\n    else if(one==2)\n    {\n      if(four==1) puts(\"2\");\n      else puts(\"8\");\n    }\n    else if(one==1)\n    {\n      if(five==1) puts(\"1\");\n      else puts(\"3\");\n    }\n    else\n    {\n      if(six==1) puts(\"1\");\n      else\n      {\n        if(two==1&&four==1) puts(\"2\");\n        else if(three==2) puts(\"2\");\n        else if(two==3) puts(\"6\");\n      }\n    }\n  }\n  return 0;\n}\n", "src_uid": "8176c709c774fa87ca0e45a5a502a409"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main()\n{\n\tlong a,b,c,d;\n\tscanf(\"%ld %ld %ld %ld\",&a,&b,&c,&d);\n\tlong ab,bc;\n\t//ab=abs(a-b);\n\t//bc=abs(b-c);\n\t//ca=abs(c-a);\n\tlong time=0;\n\t\n\tlong large,small,mid;\n\t\n\tif(a<b)\n\t{\n\t\tif(a<c)\n\t\t{\n\t\t\tsmall=a;\n\t\t\tif(b<c)\n\t\t\t{\n\t\t\t\tlarge=c;\n\t\t\t\tmid=b;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tmid=c;\n\t\t\t\tlarge=b;\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tmid=a;\n\t\t\tsmall=c;\n\t\t\tlarge=b;\n\t\t}\n\t}\n\telse\n\t{\n\t\tif(b<c)\n\t\t{\n\t\t\tsmall=b;\n\t\t\tif(a<c)\n\t\t\t{\n\t\t\t\tmid=a;\n\t\t\t\tlarge=c;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tmid=c;\n\t\t\t\tlarge=a;\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tmid=b;\n\t\t\tsmall=c;\n\t\t\tlarge=a;\n\t\t}\n\t}\n\t//printf(\"%ld %ld %ld \",small,mid,large);\n\t\n\tab=mid-small;\n\tbc=large-mid;\n\tif(ab>=d && bc>=d)\n\t{\n\t\ttime=0;\n\t}\n\telse\n\t{\n\t\t\n\t\t\n\t\t\tif(ab>=d)\n\t\t\t{\n\t\t\t\ttime=d-bc;\n\t\t\t\t\n\t\t\t}\n\t\t\telse if(bc>=d)\n\t\t\t{\n\t\t\t\ttime=d-ab;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\ttime=d-ab+d-bc;\n\t\t\t}\n\t\t\n\t}\n\tprintf(\"%ld\",time);\n\treturn 0;\n\t\n}", "src_uid": "47c07e46517dbc937e2e779ec0d74eb3"}
{"source_code": "//491bishwock\n#include<stdio.h>\nint main()\n{\n  char s[2][101];\n  int bishwock=0,i,row=0,avail=0;\n   for(i=0;i<2;i++)\n    scanf(\"%s\",s[i]);\n  for(i=0;s[0][i];i++)\n  {\n    row=(s[0][i]=='0')+(s[1][i]=='0');\n    avail+=row;\n    if(avail>=3)\n    {\n      avail-=3;\n      bishwock++;\n    }\n    else  avail=row;//not in bishwock shape\n  }\n  printf(\"%d\\n\",bishwock);\n  return 0;\n}\n", "src_uid": "e6b3e787919e96fc893a034eae233fc6"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main(){\n\tint x;\n\tscanf(\" %d\",&x);\n\tif( x==1 ){\n\t\tprintf(\"1\");\n\t}\n\telse if ( x==2 ){\n\t\tprintf(\"3\");\n\t}\n\telse if ( x==3 ){\n\t\tprintf(\"5\");\n\t}\n\telse if( x==4 ){\n\t\tprintf(\"3\");\n\t}\n\telse if( x==5 ){\n\t\tprintf(\"3\");\n\t}\n\telse if( x>5 && x<=13 ){\n\t\tprintf(\"5\");\n\t}\n\telse if( x>13 && x<=25 ){\n\t\tprintf(\"7\");\n\t}\n\telse if( x>25 && x<=41 ){\n\t\tprintf(\"9\");\n\t}\n\telse if( x>41 && x<=61 ){\n\t\tprintf(\"11\");\n\t}\n\telse if( x>61 && x<=85 ){\n\t\tprintf(\"13\");\n\t}\n\telse if( x>85 && x<=100 ){\n\t\tprintf(\"15\");\n\t}\n\treturn 0;\n}", "src_uid": "01eccb722b09a0474903b7e5abc4c47a"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint compare(const void *a, const void *b) {\n\tint ia = *(int *) a;\n\tint ib = *(int *) b;\n\t\n\treturn ib - ia;\n}\n\nint main() {\n\tstatic int tt[128];\n\tint n, m, i;\n\n\tscanf(\"%d%d\", &n, &m);\n\tfor (i = 0; i < n; i++)\n\t\tscanf(\"%d\", &tt[i]);\n\tfor (i = 0; i < n; i++) {\n\t\tint t, cnt;\n\n\t\tt = tt[i];\n\t\tcnt = 0;\n\t\tm -= t;\n\t\tif (m < 0) {\n\t\t\tstatic int aa[128];\n\t\t\tint j, m_;\n\n\t\t\tfor (j = 0; j < i; j++)\n\t\t\t\taa[j] = tt[j];\n\t\t\tqsort(aa, i, sizeof *aa, compare);\n\t\t\tm_ = m;\n\t\t\tfor (j = 0; j < i && m_ < 0; j++) {\n\t\t\t\tm_ += aa[j];\n\t\t\t\tcnt++;\n\t\t\t}\n\t\t}\n\t\tprintf(\"%d \", cnt);\n\t}\n\tprintf(\"\\n\");\n\treturn 0;\n}\n", "src_uid": "d3c1dc3ed7af2b51b4c49c9b5052c346"}
{"source_code": "/* Problem: 388A - Fox and Box Accumulation */\n/* Solver: Gusztav Szmolik */\n\n#include <stdio.h>\n#include <stdlib.h>\n\nunsigned short x[100];\nunsigned short s[100];\n\nint cmp (const void*, const void*);\n\nint main ()\n    {\n    unsigned short n;\n    unsigned short i;\n    unsigned short pc;\n    unsigned short bc;\n    unsigned short sc;\n    \n    if (scanf(\"%hu\",&n) != 1)\n        return -1;\n    if (n < 1 || n > 100)\n        return -1;\n    for (i = 0; i < n; i++)\n        {\n        if (scanf(\"%hu\",&x[i]) != 1)\n            return -1;\n        if (x[i] > 100)\n            return -1;\n        s[i] = 0;\n        }\n    qsort (x,n,sizeof(unsigned short),cmp);\n    pc = bc = 0;\n    while (bc < n)\n        {\n        sc = 0;\n        for (i = 0; i < n; i++)\n            if (!s[i] && x[i] >= sc)\n                {\n                s[i] = 1;\n                sc++;\n                bc++;\n                }\n        pc++;\n        }\n    printf (\"%hu\\n\",pc);\n    return 0;\n    }\n    \nint cmp (p1,p2)\n    const void* p1;\n    const void* p2;\n    {\n    unsigned short x1;\n    unsigned short x2;\n    \n    x1 = *(unsigned short*)p1;\n    x2 = *(unsigned short*)p2;\n    if (x1 == x2)\n        return 0;\n    return (x1 > x2 ? 1 : -1);\n    }\n", "src_uid": "7c710ae68f27f140e7e03564492f7214"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int  n,a[250]={0},k,i=0,j;\n    char b[250]=\"\\0\";\n    scanf(\"%d\",&n);\n    scanf(\"%s\",b);\n     while(i<strlen(b))\n     {\n              a[i]=b[i]-'0';\n              i++;\n              }     \n    for(i=1;i<n;i++)\n    {\n                    k=a[i];\n                    for(j=i-1;(j>=0)&&(a[j]>k);j--)\n                            a[j+1]=a[j];\n                            a[j+1]=k;\n                                    }\n    for(i=n+1;i<2*n;i++)\n    {\n                      k=a[i];\n                      for(j=i-1;(j>=n)&&(a[j]>k);j--)\n                      a[j+1]=a[j];\n                      a[j+1]=k;\n                      }\n  \n              j=0;\n              k=0; \n\n    for(i=0;i<n;i++)\n    {\n                    if(a[i]<a[i+n])\n                       j++;\n                    else if(a[i]>a[i+n])\n                       k++;\n                    }\n\n                    if((j==i)||(k==i))\n                    printf(\"YES\");\n                    else\n                    printf(\"NO\");\n                              return(0);\n                              }                   \n", "src_uid": "e4419bca9d605dbd63f7884377e28769"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main(int argc, char const *argv[])\n{\n\tint n;\n\tscanf(\"%d\",&n);\n\tint arr[n];\n\tfor (int i = 0; i < n; ++i)\n\t{\n\t\tscanf(\"%d\",&arr[i]);\n\t}\n\tint total_min_index = 0 , total_max_index = 0;\n\tint total_length = 0,curr_length;\n\tint curr_min_index = 0 , curr_max_index = 0;\n\tint flag = 1;\n\n\tfor (int i = 0; i < n-1; ++i)\n\t{\n\t\tif (flag == 1)\n\t\t{\n\t\t\tcurr_min_index = i;\n\t\t}\n\n\t\tif(arr[i+1] == arr[i]+1)\n\t\t{\n\t\t\tcurr_max_index = i+1;\n\t\t\tflag = 0;\n\t\t}\n\n\t\tif(arr[i+1] != arr[i]+1 || (arr[i+1] == arr[i]+1 && i == n-2))\n\t\t{\n\t\t\tif (flag == 0)\n\t\t\t{\n\t\t\t\tif (curr_min_index == 0 && arr[curr_min_index] == 1)\n\t\t\t\t{\n\t\t\t\t\tcurr_length = curr_max_index - curr_min_index;\n\t\t\t\t}\n\t\t\t\telse if (curr_max_index == n-1 && arr[curr_max_index] == 1000)\n\t\t\t\t{\n\t\t\t\t\tcurr_length = curr_max_index - curr_min_index;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tcurr_length = curr_max_index - curr_min_index - 1;\n\t\t\t\t}\n\t\t\t\tif (curr_length > total_length)\n\t\t\t\t{\n\t\t\t\t\ttotal_length = curr_length;\n\t\t\t\t\ttotal_max_index = curr_max_index;\n\t\t\t\t\ttotal_min_index = curr_min_index;\n\t\t\t\t}\n\t\t\t}\n\t\t\tflag = 1;\n\t\t}\n\t}\n\n\tprintf(\"%d\\n\",total_length);\n\treturn 0;\n}", "src_uid": "858b5e75e21c4cba6d08f3f66be0c198"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <memory.h>\nint main (void)\n{\n    int n;\n    int i;\n    int count;\n    int sum;\n    int j;\n    int temp;\n    double aver;\n    int t[6];\n    while(scanf(\"%d\",&n)!=EOF){\n            sum = 0;\n            memset(t,0,sizeof(t));\n            count = 0;\n        for(i = 0; i < n; i++){\n            scanf(\"%d\", &temp);\n            t[temp]++;\n        }\n    aver = 4.5*n;\n    for(i = 2; i <= 5; i++)\n        sum = sum + t[i]*i;\n    for(i = 2; i <= 5; i++){\n            if(sum>=aver)\n                break;\n        for(j = 0; j < t[i]; j++)\n        if(sum < aver){\n            sum = sum + (5-i);\n            count++;\n        }\n        else\n            break;\n    }\n    printf(\"%d\",count);\n    }\n    return 0;\n}\n", "src_uid": "715608282b27a0a25b66f08574a6d5bd"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint func(int x);\n\nint main(){\n\tint n,i; \n\tint ent;\n\n\tscanf(\"%d\",&n);\n\n\tfor(i=0;i<n;i++){\n\t\tscanf(\"%d\",&ent);\n\t\tif(func(ent)==1)\n\t\t\tprintf(\"YES\\n\");\n\t\telse\n\t  \t\tprintf(\"NO\\n\");\n\t}\n\treturn 0;\n}\n\n\nint func(int x){\n\tif(x <=0){\n\t\treturn 0;\n\t}else{\n\t\tif (x%3==0 || x%7==0 || x%10==0){\n\t\t\treturn 1;\t\n\t\t}else{\n\t\t\tfunc(x-3);\n\t  \t\tfunc(x-7);\n\t}\n\t}\t\n}\n/* 1519498211334 */\n", "src_uid": "cfd1182be98fb5f0c426f8b68e48d452"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\nint main()\n{\n\tint n,i,j,c=0,d=0,k,l;\n\tchar s[51];\n\tscanf(\"%s\",s);\n\tn=strlen(s);\n\t/*if(n%2==0)\n\t{\n\t\tk=(n/2)-1;\n\t\tj=1;\n\t\tfor(i=k;i>=0;i--)\n\t\t{\n\t\t\tif(j<=n/2)\n\t\t\t{\n\t\t\t\tif(s[i]==s[(2*i)+j])\n\t\t\t\t{\n\t\t\t\t\tc++;\n\t\t\t\t\t//printf(\"%d--\\n\",c);\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\td++;\n\t\t\t\t}\n\t\t\t\tj++;\n\t\t\t}\n\t\t}\n\t}\n\telse\n\t{\n\t\tj=2;\n\t\t\n\t\tfor(i=(n/2)-1;i>=0;i--)\n\t\t{\n\t\t\tif(j<=(n/2)+1)\n\t\t\t{\n\t\t\t\tif(s[i]==s[(2*i)+j])\n\t\t\t\t{\n\t\t\t\t\tc++;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\td++;\n\t\t\t\t}\n\t\t\t\tj++;\n\t\t\t}\n\t\t\n\t\t}\n\t}\n\tif(c==0)\n\t{\n\t\tprintf(\"%d\",n);\n\t}\n\telse if(d==0)\n\t{\n\t\tprintf(\"%d\",c);\n\t}\n\telse\n\t{\n\t\tprintf(\"%d\",(2*c)+d);\n\t}*/\n\tchar g;\n\tchar t[51];\n\t//t=s;\n\tstrcpy(t,s);\n\tfor( i=0;i<n;i++)\n\t{\n\tchar ch=s[n-1];\n\tfor( j=n-1;j>=1;j--)\n\ts[j]=s[j-1];\n\ts[0]=ch;\n\tc++;\n\tif(strcmp(t,s)==0)break;\n\t}\n\tprintf(\"%d\",c);\n\treturn 0;\n}\n", "src_uid": "8909ac99ed4ab2ee4d681ec864c7831e"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n,t,a,m,i,sum;\n    while(~scanf(\"%d%d\",&n,&m))\n    {\n        sum=1;\n        for(i=0;i<n;i++)\n        {\n            if(i==0)\n                t=m;\n            scanf(\"%d\",&a);\n            if(a<=t)\n               t-=a;\n            else\n                t=m-a,sum++;\n        }\n        printf(\"%d\\n\",sum);\n    }\n    return 0;\n}\n", "src_uid": "5c73d6e3770dff034d210cdd572ccf0f"}
{"source_code": "#include<stdio.h>\nint main ()\n{\n    int a,b,c,k,l,m,n,o,p;\n    scanf(\"%d\",&a);\n    scanf(\"%d\",&b);\n    scanf(\"%d\",&c);\n    k=a+b+c;\n    l=a*b*c;\n    m=(a*b)+c;\n    n=a+(b*c);\n    o=(a+b)*c;\n    p=a*(b+c);\n    if(k>=l && k>=m && k>=n && k>=o && k>=p)\n    printf(\"%d\",k);\n    else if(l>=k && l>=m && l>=n && l>=o && l>=p)\n    printf(\"%d\",l);\n    else if(m>=l && m>=k && m>=n && m>=o && m>=p)\n    printf(\"%d\",m);\n    else if(n>=l && n>=m && n>=k && n>=o && n>=p)\n    printf(\"%d\",n);\n    else if(o>=l && o>=m && o>=n && o>=k && o>=p)\n    printf(\"%d\",o);\n    else\n    printf(\"%d\",p);\n    return 0;\n\n}", "src_uid": "1cad9e4797ca2d80a12276b5a790ef27"}
{"source_code": "#include <stdio.h>\n\nint main() {\n\tint i, x, y, a, b, c;\n\n\tscanf(\"%d%d\", &x, &y);\n\ta = b = c = y;\n\tfor (i = 0; a < x; i++) {\n\t\tint d = x < b + c - 1 ? x : b + c - 1;\n\n\t\ta = b, b = c, c = d;\n\t}\n\tprintf(\"%d\\n\", i);\n\treturn 0;\n}\n", "src_uid": "8edf64f5838b19f9a8b19a14977f5615"}
{"source_code": "    #include<stdio.h>\n    int main()  \n    {  \n        int n,i,x=0,y=0,j;  \n        long a[1001];  \n        scanf(\"%d\",&n);  \n        for(i=0;i<n;i++)  \n            scanf(\"%d\",&a[i]);  \n        for(i=0;i<n;i++)  \n        {  \n            x=y=0;\n            for(j=i+2;j<n;j++)   \n            {  \n                if ((a[j]>a[i]&&a[j]>a[i+1])||(a[j]<a[i]&&a[j]<a[i+1]))  \n                    x++;   \n                else  \n                    y++;  \n            }  \n            if(x&&y)  \n            {  \n                printf(\"yes\\n\");  \n                return 0;  \n            }  \n        }  \n        printf(\"no\\n\");  \n        return 0;  \n    } \n", "src_uid": "f1b6b81ebd49f31428fe57913dfc604d"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint a,b,c,d,s1=0,s2=0,c1=0,c2=0;\n\tscanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\ts1=a*3/10;\n\ts2=(a-a*c/250);\n\tif(s1>s2) s1=s1;\n\telse s1=s2;\n\tc1=b*3/10;\n\tc2=(b-b*d/250);\n\tif(c1>c2) c1=c1;\n\telse c1=c2;\n\t\n\t\n\tif(s1>c1) printf(\"Misha\\n\");\n\telse if(c1>s1) printf(\"Vasya\\n\");\n\telse printf(\"Tie\\n\");\n\t\n\treturn 0;\n}", "src_uid": "95b19d7569d6b70bd97d46a8541060d0"}
{"source_code": "#include <stdio.h>\n\nint count_zero(int n)\n{\n    int ans = 0;\n    while(n){\n        n /= 5;\n        ans += n;\n    }\n    return ans;\n}\n\nint main()\n{\n\tint n, zero;\n\tscanf(\"%d\", &n);\n\n\tint high, low, mid;\n\tlow = 0;\n\thigh = 1000000;\n\twhile (low <= high){\n        mid = low + high;\n        zero = count_zero(mid);\n        if (zero == n){\n            int res = (mid / 5) * 5;\n            printf(\"5\\n%d %d %d %d %d\", res, res+1, res+2, res+3, res+4);\n            return 0;\n        }\n        else if (zero > n)high = mid - 1;\n        else if (zero < n)low = mid + 1;\n\t}\n\tprintf(\"0\");\n\treturn 0;\n}\n\n", "src_uid": "c27ecc6e4755b21f95a6b1b657ef0744"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <ctype.h>\n#define uLL unsigned long long\n#define LL long long\nuLL exgcd64(uLL a,uLL b,uLL *x,uLL *y)\n{\n\tstatic uLL gcd;\n\tif (a==0)\n\t{\n\t\t*x=0;*y=1;\n\t\treturn b;\n\t}\n\telse\n\t{\n\t\tgcd=exgcd64(b%a,a,y,x);\n\t\t*x-=(b/a)*(*y)+b;\n\t\t*y+=a;\n\t\treturn gcd;\n\t}\n}\nint main()\n{\n//\tfreopen(\"in.in\",\"r\",stdin);\n\tLL i,j,k,n,m,a,b,c,d,x,y,vx,vy,e;\n\tscanf(\"%lld%lld%lld%lld%lld%lld\",&n,&m,&x,&y,&vx,&vy);\n\tif ((vx==0)||(vy==0))\n\t{\n\t\tif (vx==0)\n\t\t{\n\t\t\tif ((x==0)||(x==n))\n\t\t\t{\n\t\t\t\tif (vy<0) {printf(\"%lld 0\\n\",x);}\n\t\t\t\telse {printf(\"%lld %lld\\n\",x,m);}\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tprintf(\"-1\\n\");\n\t\t\t}\n\t\t}\n\t\tif (vy==0)\n\t\t{\n\t\t\tif ((y==0)||(y==m))\n\t\t\t{\n\t\t\t\tif (vx<0) {printf(\"0 %lld\\n\",y);}\n\t\t\t\telse {printf(\"%lld %lld\\n\",n,y);}\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tprintf(\"-1\\n\");\n\t\t\t}\n\t\t}\n\t}\n\telse\n\t{\n\t\tif (vx<0)\n\t\t{\n\t\t\tx=n-x;\n\t\t}\n\t\tif (vy<0)\n\t\t{\n\t\t\ty=m-y;\n\t\t}\n\t\t//printf(\"%lld %lld %lld %lld\\n\",n,m,x,y);\n\t\tc=exgcd64(m,n,&a,&b);\n\t\te=c;\n\t\td=x-y;\n\t\tif (d<0) {d=(d%m+m)%m;}\n\t\tif (d%c!=0) {printf(\"-1\\n\");}\n\t\telse\n\t\t{\n\t\t\t//printf(\"%lld %lld %lld\\n\",b%c,d,((d/c)*(b/1)%(m/c)*n)%m);\n\t\t\td=(d/c)*(b)%(m/c);\n\t\t\tif (d==0) {d+=m/c;}\n\t\t\tc=d;\n\t\t\td=(c*n-(x-y))/m;\n\t\t\tif (d<0)\n\t\t\t{\n\t\t\t\ta=(-d)/c+1;\n\t\t\t\tc+=a*(m/e);\n\t\t\t\td+=a*(n/e);\n\t\t\t}\n\t\t\t//printf(\"%lld %lld %lld %lld\\n\",c,d*m,(c*n-(x-y))%m,x-y);\n\t\t\tc=c&1;d=d&1;\n\t\t\tif (vx<0) {c=c^1;}\n\t\t\tif (vy<0) {d=d^1;}\n\t\t\tc=c*n;d=d*m;\n\t\t\tprintf(\"%lld %lld\\n\",c,d);\n\t\t}\n\t}\n\treturn 0;\n}", "src_uid": "6c4ddc688c5aab1432e7328d27c4d8ee"}
{"source_code": "#include<stdio.h>\nint main()\n{\nlong long n;scanf(\"%I64d\",&n);\nprintf(\"%I64d\",n<3?n:n%2?(n*(n-1)*(n-2)):n%3?(n*(n-1)*(n-3)):(n-1)*(n-2)*(n-3));\nreturn 0;\n}\n", "src_uid": "25e5afcdf246ee35c9cef2fcbdd4566e"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char str[1000];\n    scanf(\"%s\",str);\n    // printf(\"%s\",str);\n    int i,cnt1=0,cnt2=0;\n    int ln=(strlen(str));\n    for(i=0; i<ln; i++)\n    {\n        if(str[i]=='a')\n        {\n            cnt1++;\n        }\n        else\n        {\n            cnt2++;\n        }\n    }\n    //printf(\"%4d %4d\\n\",cnt1,cnt2);\n    if(cnt1>cnt2)\n        printf(\"%d\\n\",ln);\n    else if(cnt1==cnt2)\n        printf(\"%d\\n\",ln-1);\n    else\n        printf(\"%d\\n\",ln-((cnt2-cnt1)+1));\n\n    }\n", "src_uid": "84cb9ad2ae3ba7e912920d7feb4f6219"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n// long long int poww(long long int a, long long int b)\n// {\n// \tlong long int i,ret=1;\n// \tfor(i=0;i<b;i++)\n// \t\tret = ret * a;\n\n// \treturn ret;\n// }\nint main()\n{\n\tint k;\n\tscanf(\"%d\",&k);\n\tif(k>36)\n\t{\n\t\tprintf(\"-1\\n\");\n\t\treturn 0;\n\t}\n\tlong long int ans = 0;\n\tlong long int i = 0, mul = 1;\n\tfor(i=0;i<(k/2);i++)\n\t{\n\t\tans = ans + 8 * mul;\n\t\tmul = mul * 10;\n\t}\n\tif(k%2 == 1)\n\t{\n\t\tans = ans*10 + 4;\n\t}\n\t\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}", "src_uid": "0c9973792c1976c5710f88e3520cda4e"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int n,k,R;\n    scanf(\"%d%d\",&n,&k);\n    if(k<2*n){\n        R = 0;\n    }else{\n        R = n-k+(2*n);\n        if(R<0){\n            R = 0;\n        }\n    }\n    printf(\"%d\",R);\n    return 0;\n}\n", "src_uid": "5a5e46042c3f18529a03cb5c868df7e8"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint asc(const void* a, const void* b)\n{\n\treturn *(int*)a - *(int*)b;\n}\nint main()\n{\n\tint n;\n\tscanf(\"%d\", &n);\n\tint i;\n\tint x[50], y[50];\n\tfor (i = 0; i < 4 * n + 1; i++)\n\t\tscanf(\"%d %d\", &x[i], &y[i]);\n\tint xx[50], yy[50];\n\tfor (i = 0; i < 4 * n + 1; i++)\n\t\txx[i] = x[i];\n\tqsort(xx, 4 * n + 1, sizeof(int), asc);\n\tif (xx[0] != xx[1])\n\t{\n\t\tfor (i = 0; i < 4 * n + 1; i++)\n\t\t{\n\t\t\tif (x[i] == xx[0])\n\t\t\t{\n\t\t\t\tprintf(\"%d %d\\n\", x[i], y[i]);\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t}\n\tif (xx[4 * n - 1] != xx[4 * n])\n\t{\n\t\tfor (i = 0; i < 4 * n + 1; i++)\n\t\t{\n\t\t\tif (x[i] == xx[4 * n])\n\t\t\t{\n\t\t\t\tprintf(\"%d %d\\n\", x[i], y[i]);\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t}\n\tfor (i = 0; i < 4 * n + 1; i++)\n\t\tyy[i] = y[i];\n\tqsort(yy, 4 * n + 1, sizeof(int), asc);\n\tif (yy[0] != yy[1])\n\t{\n\t\tfor (i = 0; i < 4 * n + 1; i++)\n\t\t{\n\t\t\tif (y[i] == yy[0])\n\t\t\t{\n\t\t\t\tprintf(\"%d %d\\n\", x[i], y[i]);\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t}\n\tif (yy[4 * n - 1] != yy[4 * n])\n\t{\n\t\tfor (i = 0; i < 4 * n + 1; i++)\n\t\t{\n\t\t\tif (y[i] == yy[4 * n])\n\t\t\t{\n\t\t\t\tprintf(\"%d %d\\n\", x[i], y[i]);\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t}\n\tint maxx, minx, maxy, miny;\n\tmaxx = maxy = 0;\n\tminx = miny = 100;\n\tfor (i = 0; i < 4 * n + 1; i++)\n\t{\n\t\tif (x[i] < minx)minx = x[i];\n\t\tif (x[i] > maxx)maxx = x[i];\n\t\tif (y[i] < miny)miny = y[i];\n\t\tif (y[i] > maxy)maxy = y[i];\n\t}\n\tfor (i = 0; i < 4 * n + 1; i++)\n\t{\n\t\tif (x[i] != minx && x[i] != maxx && y[i] != miny && y[i] != maxy)\n\t\t{\n\t\t\tprintf(\"%d %d\\n\", x[i], y[i]);\n\t\t\treturn 0;\n\t\t}\n\t}\n}", "src_uid": "1f9153088dcba9383b1a2dbe592e4d06"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <math.h>\n#define mod 1000000007\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\n__attribute__((always_inline, optimize(3)))\n__inline__ void add(int *x, int y) {\n\t(*x += y) >= mod && (*x -= mod);\n}\n__attribute__((always_inline, optimize(3)))\n__inline__ int mul(int x, int y) {\n\treturn (long long)x * y - (long long)x * y / mod * mod;\n}\n__attribute__((always_inline, optimize(3)))\n__inline__ int f(int n, int x, int y) {\n\tint tmp = 1 << x;\n\ty && (tmp *= 3);\n\treturn n / tmp;\n}\n#ifdef __cplusplus\n}\n#endif\nint main() {\n\tint n, p = 0; scanf(\"%d\", &n);\n\tstatic int dp[1000005][21][2] = { };\n\twhile ((1 << p) <= n) ++ p; dp[1][-- p][0] = 1;\n\tif ((3 << p - 1) <= n) dp[1][p - 1][1] = 1;\n\tfor (int i = 1; i < n; ++ i)\n\t\tfor (int x = 0; x <= p; ++ x)\n\t\t\tfor (int y = 0; y < 2; ++ y) {\n\t\t\t\tadd(dp[i + 1][x] + y, mul(dp[i][x][y], f(n, x, y) - i));\n\t\t\t\tx && (add(dp[i + 1][x - 1] + y, mul(dp[i][x][y], f(n, x - 1, y) - f(n, x, y))), 0);\n\t\t\t\ty && (add(dp[i + 1][x] + y - 1, mul(dp[i][x][y], f(n, x, y - 1) - f(n, x, y))), 0);\n\t\t\t}\n\tprintf(\"%d\\n\", dp[n][0][0]);\n\treturn 0;\n}", "src_uid": "b2d59b1279d891dba9372a52364bced2"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#include<string.h>\n#define REP(i,a,b) for(i=a;i<b;i++)\n#define rep(i,n) REP(i,0,n)\n\nint main(){\n  int i,j,k,l,m,n;\n  int x,y,num;\n  int r,g;\n  int ok_r, ok_g, ok_v;\n  char mp[120][120];\n  int grundy[10];\n\n  while(scanf(\"%d%d%d\",&x,&y,&k)==3){\n    rep(i,x) scanf(\"%s\",mp[i]);\n    ok_g = ok_r = 0;\n    rep(i,10) grundy[i] = 0;\n\n    rep(i,x){\n      r=g=-1; num = 0;\n      rep(j,y){\n        if(mp[i][j]=='G') g=j, num++;\n        if(mp[i][j]=='R') r=j, num++;\n      }\n      if(r==-1 || g==-1){\n        if(num < y){\n          if(g>=0) ok_g = 1;\n          if(r>=0) ok_r = 1;\n        }\n        continue;\n      }\n\n      if(r > g) m = r-g-1; else m = g-r-1;\n      rep(j,10) if(m&1<<j) grundy[j]++;\n    }\n\n    if(ok_g && ok_r){\n      puts(\"Draw\"); continue;\n    }\n    if(ok_g){\n      puts(\"First\"); continue;\n    }\n    if(ok_r){\n      puts(\"Second\"); continue;\n    }\n\n    rep(i,10) if(grundy[i]%(k+1)) break;\n    if(i==10) puts(\"Second\"); else puts(\"First\");\n  }\n\n  return 0;\n}\n", "src_uid": "69062f7c9b834e925ab23ebc2da96b52"}
{"source_code": "#include<stdio.h>\n#define lli long long int\n#define mod(x) (x)%1000000007\n\nlli dp[200001][3];\nlli check[3];\n\nint main(void){\n  int N, min, max;\n  scanf(\"%d %d %d\", &N, &min, &max);\n  for(int i=0; i<3; i++){\n    check[i] += max/3;\n    if(i <= max%3 && i>0) check[i]++;\n    check[i] -= (min-1)/3;\n    if(i <= (min-1)%3 && i>0) check[i]--;\n  }\n  dp[0][0] = 1;\n  for(int i=0; i<N; i++){\n    for(int j=0; j<3; j++){\n      for(int k=0; k<3; k++){\n        dp[i+1][(j+k)%3] += mod(dp[i][j] * check[k]);\n        dp[i+1][(j+k)%3] = mod(dp[i+1][(j+k)%3]);\n      }\n    }\n  }\n  printf(\"%lld\", dp[N][0]);\n}", "src_uid": "4c4852df62fccb0a19ad8bc41145de61"}
{"source_code": "#include <stdio.h>\n#include <inttypes.h>\n\n/* maximum factors count, 10 must be enough. I take few more ) */\nconst int64_t cnt = 1000; \n\nint64_t\ndecompose(int64_t x, int64_t *p)\n{\n    /* factors counter */\n    int64_t c = 0;\n    /* separate process for 2 */\n    if (x % 2 == 0)\n        p[c++] = 2;\n    while (x % 2 == 0)\n        x /= 2;\n\n    for (int64_t d = 3; d*d <= x; d += 2)\n    {\n        if (x % d == 0)\n            p[c++] = d;\n        while (x % d == 0)\n            x /= d;\n    }\n    if (x != 1) {\n        p[c++] = x;\n    }\n    return c;\n}\n\nint\nmain()\n{\n    int64_t x;\n    int64_t p[cnt];\n    scanf(\"%\"SCNd64, &x);\n\n    int64_t c = decompose(x, p);\n\n    int64_t min_f = x - p[c-1] + 1;\n    int64_t min = min_f;\n    for (int64_t f = min_f; f < x; ++f) {\n        c = decompose(f, p);\n        if ((c != 1 || p[0] != f) && f - p[c-1] + 1 < min)\n            min = f - p[c-1] + 1;\n    }\n    printf(\"%\"PRId64\"\\n\", min);\n    return 0;\n}\n", "src_uid": "43ff6a223c68551eff793ba170110438"}
{"source_code": "#include <stdio.h>\n\n\nint pod(int n) {\n    int p = 1;\n    while(n > 0) {\n        p *= n % 10;\n        n /= 10;\n    }\n    return p;\n}\n\n\nint max(int a, int b) {\n    return a > b ? a : b;\n}\n\n\nint main() {\n    int n;\n    scanf(\"%d\", &n);\n    int maxpod = pod(n);\n    int a = n / 10, b = 10;\n    while(a > 0) {\n        maxpod = max(maxpod, pod(a * b - 1));\n        a /= 10; b *= 10;\n    }\n    printf(\"%d\\n\", maxpod);\n    return 0;\n}\n", "src_uid": "38690bd32e7d0b314f701f138ce19dfb"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n\tchar str[110];\n\tint A[4]={0};\n\tscanf(\"%s\",str);\n\tint len=strlen(str);\n\tfor(int i=0;i<len;i++)\n\t{\n\t\tif(str[i]=='n')\n\t\tA[0]++;\n\t\telse if(str[i]=='i')\n\t\tA[1]++;\n\t\telse if(str[i]=='e')\n\t\tA[2]++;\n\t\telse if(str[i]=='t')\n\t\tA[3]++;\n\t}\n\tA[0]=(A[0]-1)/2;\n\tA[2]=A[2]/3;\n\tint min=A[0];\n\tfor(int j=1;j<=3;j++)\n\t{\n\t\tif(A[j]<min)\n\t\tmin=A[j];\n\t}\n\tprintf(\"%d\",min);\n\treturn 0;\n}", "src_uid": "bb433cdb8299afcf46cb2797cbfbf724"}
{"source_code": "#include<stdio.h>\r\nint main(){\r\n    int n,i,j,k;\r\n    scanf(\"%d\",&n);\r\n    int num[n];\r\n    for(i=0; i<n; i++){\r\n        scanf(\"%d\",&num[i]);\r\n    }\r\n    for(i=0; i<n; i++){\r\n        int count=1;\r\n        int j=2;\r\n        while(j*j*j<=num[i]){\r\n            count+=1;\r\n            j++;\r\n        }\r\n        int k=2;\r\n        while(k*k<=num[i]){\r\n            count+=1;\r\n            k++;\r\n        }\r\n        int c=2;\r\n        while(c*c*c*c*c*c<=num[i]){\r\n            count-=1;\r\n            c++;\r\n            \r\n        }\r\n        printf(\"%d\\n\",count);\r\n    }\r\n        \r\n        \r\n\r\n    return 0;\r\n}", "src_uid": "015afbefe1514a0e18fcb9286c7b6624"}
{"source_code": "#include<stdio.h>\n#define REP(i,a,b) for(i=a;i<b;i++)\n#define rep(i,n) REP(i,0,n)\n\nint main(){\n  int N = 8, tm = 100;\n  char mp[8][9], cp[8][8];\n\n  int i, j, di, dj, ni, nj;\n\n  rep(i,N) scanf(\"%s\",mp[i]);\n\n  while(tm--){\n    rep(i,N) rep(j,N) cp[i][j] = mp[i][j];\n\n    rep(i,N) rep(j,N) if(cp[i][j]=='M'){\n      REP(di,-1,2) REP(dj,-1,2){\n        ni = i + di; nj = j + dj;\n        if(ni < 0 || nj < 0 || ni >= N || nj >= N || mp[ni][nj]=='S') continue;\n        mp[ni][nj] = 'M';\n      }\n    }\n    \n    rep(i,N)   rep(j,N) if(cp[i][j]=='S') mp[i][j] = '.';\n    rep(i,N-1) rep(j,N) if(cp[i][j]=='S') mp[i+1][j] = 'S';\n  }\n\n  if(mp[0][0]=='M') puts(\"WIN\"); else puts(\"LOSE\");\n\n  return 0;\n}\n", "src_uid": "f47e4ab041288ba9567c19930eb9a090"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int t,x,i;\n    scanf(\"%d\",&t);\n    for(i=0;i<t;i++)\n    {\n        scanf(\"%d\",&x);\n        printf(\"%d\\n\",x/2);\n    }\n    return 0;\n}\n", "src_uid": "a661b6ce166fe4b2bbfd0ace56a7dc2c"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n#define sqr(x) ((x)*(x))\n#define m0(x) memset(x,0,sizeof(x))\n#define m1(x) memset(x,63,sizeof(x))\n#define M 1000000007\n#define N 211111\n\n#define maxN 555\n\nint n, k;\nint dp[maxN][maxN], dp2[maxN][maxN];\nint w[maxN];\n\nint add(int x, int y) {\n\tx += y;\n\tif (x >= M) x-= M;\n\treturn (x);\n}\n\nint min(int a, int b)\n\t{\n\t\tif(a<b)return a;\n\t\telse return b;\n\t}\n\nint main(){\n\tscanf(\"%d %d\", &n, &k);\n\tw[0] = 1;\n\tint i,j,d;\n\tfor ( i = 1; i <= n; i++) w[i] = w[i - 1] * 2 % M;\n\tdp[0][0] = 1;\n\tfor ( i = 0; i < n; i++) {\n\t\tfor ( j = 0; j <= n; j++) for ( d = 0; d <= k + 1; d++) dp2[j][d] = 0;\n\t\tfor ( j = 0; j <= n; j++) for ( d = 0; d <= k + 1; d++) if (dp[j][d] > 0) {\n\t\t\tif (j > i) {\n\t\t\t\tint e = i + 1;\n\t\t\t\tint z = dp[j][d] * 1ll * w[e] % M;\n\t\t\t\tdp2[j][d]=(dp2[j][d], z);\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tint z = (w[i - j + 1] - 1 + M);\n\t\t\tif (z >= M) z -= M;\n\t\t\tz = z * 1ll * w[j] % M;\n\t\t\tz = z * 1ll * dp[j][d] % M;\n\t\t\tdp2[i + 1][min(d + 1, k + 1)]=add(dp2[i + 1][min(d + 1, k + 1)], z);\n\t\t\tz = dp[j][d] * 1ll * w[j] % M;\n\t\t\tdp2[j][d]=add(dp2[j][d], z);\n\t\t}\n\t\tfor ( j = 0; j <= n; j++) for (d = 0; d <= k + 1; d++) dp[j][d] = dp2[j][d];\n\t}\n\tint ans = 0;\n\tfor ( i = 0; i <= n; i++) ans=add(ans, dp[i][k]);\n\tprintf(\"%d\\n\",ans);\n\treturn 0;\n\n}\n", "src_uid": "111673158df2e37ac6c019bb99225ccb"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    unsigned long long n,m,k,left,right,mid,temp;\n\n    scanf(\"%I64u\",&m);\n    left=0;\n    right=(long long)0xffffffffffffffff;\n    while(left<right)\n    {\n        mid=(right-left)/2+left;\n        n=mid;\n        k=2;\n        temp=0;\n        while(n/(k*k*k))\n        {\n            temp+=n/(k*k*k);\n            k++;\n        }\n        if(temp<m)left=mid+1;\n        else right=mid;\n    }\n    n=left;\n    k=2;\n    temp=0;\n    while(n>=k*k*k)\n    {\n        temp+=n/(k*k*k);\n        k++;\n    }\n    if(temp==m)printf(\"%I64u\\n\",n);\n    else printf(\"-1\\n\");\n\n    return 0;\n}\n", "src_uid": "602deaad5c66e264997249457d555129"}
{"source_code": "#include <stdio.h>\n#define MAX 5\nvoid Read(int *a, int b[])\n{                       \n    int i;  \n    scanf(\"%d\", a);         \n    for (i=0; i<*a; i++)\n        scanf(\"%d\", &b[i]); \n    return;\n}\nvoid Write(int a)\n{               \n    printf(\"%d\\n\", a);              \n    return;\n}\nvoid Swap(int *a, int *b)\n{\n    int t;\n    t=*a;\n    *a=*b;\n    *b=t;\n    return;\n}\nvoid QuickSort(int a[], int l, int r)\n{\n    int x = a[l + (r - l) / 2];\n    int i = l;\n    int j = r;    \n    while(i <= j)\n    {\n        while(a[i] < x) i++;\n        while(a[j] > x) j--;\n        if(i <= j)\n        {\n            Swap(&a[i], &a[j]);\n            i++;\n            j--;\n        }\n    }\n    if (i<r)\n        QuickSort(a, i, r);    \n    if (l<j)    \n        QuickSort(a, l, j);    \n    return;\n}\nint main()\n{       \n    int n;\n    int m[MAX];\n    Read(&n, m);\n    QuickSort(m, 0, n-1);\n    Write(m[(n-1)/2]);  \n    return 0;\n}", "src_uid": "f03773118cca29ff8d5b4281d39e7c63"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint n1, n2, k[2];\nlong long dp[222][111][2];\n\nlong long recu(int n, int m, int b){ /* b = 0 -> f | b = 1 -> h */\n\tint i;\n\tlong long sum = 0;\n\tif (m <= 0 && n > 0){\n\t\treturn 0;\n\t}\n\tif (dp[n][m][b] != -1){\n\t\treturn dp[n][m][b];\n\t}\n\tfor (i = 1; i <= k[b]; i++){\n\t\tif (m >= i){\n\t\t\tsum += recu(n - i, n - m, 1 - b);\n\t\t\tif (sum > 100000000){\n\t\t\t\tsum %= 100000000;\n\t\t\t}\n\t\t}\n\t}\n\tdp[n][m][b] = sum;\n\treturn sum;\n}\n\nint main(){\n\tscanf(\"%d%d%d%d\", &n1, &n2, &k[0], &k[1]);\n\tmemset(dp, -1, sizeof(dp));\n\tdp[0][0][0] = dp[0][0][1] = 1;\n\tprintf(\"%Ld\\n\", (recu(n1 + n2, n1, 0) + recu(n1 + n2, n2, 1)) % 100000000);\n\treturn 0;\n}\n", "src_uid": "63aabef26fe008e4c6fc9336eb038289"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    char s[101];\n    int i=0,j=0,p,q,r;\n    scanf(\"%s\",&s);\n    while(s[i]!=0)\n    {\n        i=i+1;\n    }\n    while(j<(i-2))\n    {\n        p=s[j];\n        q=s[j+1];\n        r=s[j+2];\n        if(p+q+r==198 && p!=q && p!=r && q!=r)\n        {\n            printf(\"Yes\\n\");\n            exit(0);\n        }\n        j=j+1;\n    }\n    printf(\"No\\n\");\n}", "src_uid": "ba6ff507384570152118e2ab322dd11f"}
{"source_code": "\n#include<stdio.h>\n#include<math.h>\nint main()\n{\n    long long int p,i,t,n,k,u=0,f;\n    scanf(\"%lld%lld\",&n,&k);\n    i=sqrt(k*2);\n    p=i*(i+1)/2;\n    t=i;\n    for(;i<n;i++)\n    {\n        if(p<=k)\n        {\n            t++;\n            p=t+p;\n\n        }\n        else\n        {\n            f=p-k;\n            p=p-f;\n            u=u+f;\n            i=i+f-1;\n        }\n\n    }\n    printf(\"%lld\",u);\n    return 0;\n\n}\n", "src_uid": "17b5ec1c6263ef63c668c2b903db1d77"}
{"source_code": "#include <stdio.h>\n\n#define max(a, b) (((a) > (b)) ? (a) : (b))\n\nstruct dxy\n{\n\tlong long d;\n\tlong long x;\n\tlong long y;\n};\n\nlong long gcd(long long a, long long b)\n{\n\t return (a*b == 0) ? (a + b) : gcd(b, a%b);\n}\n\nstruct dxy ext_euc(long long a, long long b)\n{\n\tlong long x, y;\n\tstruct dxy ans;\n\tif (b == 0)\n\t{\n\t\tans.d = a;\n\t\tans.x = 1;\n\t\tans.y = 0;\n\t\treturn ans;\n\t}\n\t\n\tans = ext_euc(b, a%b);\n\tx = ans.y;\n\ty = ans.x - (a/b)*ans.y;\n\t\n\tans.x = x;\n\tans.y = y;\n\treturn ans;\n}\n\nlong long box(long long numer, long long denom)\n{\n\tif (numer % denom == 0 || (numer >=0 && denom >= 0) || (numer < 0 && denom < 0))\n\t{\n\t\treturn numer / denom;\n\t}\n\t\n\treturn (numer / denom) - 1;\n}\n\nint main()\n{\n\tlong long a1, a2, b1, b2;\n\tlong long L, R;\n\tlong long alpha1, alpha2, r, start, end;\n\tlong long p, p1, q, q1, i, j, ans, base;\n\tlong long hcf;\n\tstruct dxy temp;\n\t\n\tscanf(\"%lld %lld %lld %lld %lld %lld\", &a1, &b1, &a2, &b2, &L, &R);\n\t\n\thcf = gcd(a1, a2);\n\tif ((b2 - b1) % hcf != 0)\n\t{\n\t\tprintf(\"%d\\n\", 0);\n\t\treturn 0;\n\t}\n\t\n\tr = box((b2 - b1), hcf);\n\talpha1 = box(a1, hcf);\n\talpha2 = box(a2, hcf);\n\t\n\ttemp = ext_euc(alpha1, -alpha2);\n\tp = temp.x * r;\n\tp1 = temp.y * r;\n\tif (temp.d < 0)\n\t{\n\t\tp = -p;\n\t\tp1 = -p1;\n\t}\n\t\n\tstart = box((L-b1), a1) + 1;\n\t//printf(\"start = %lld\\n\", start);\n\tstart -= ((L-b1) % a1) == 0 ? 1 : 0;\n\tend = box((R-b1), a1);\n\t\n\tq = box((start-p), alpha2) + 1;\n\tq -= ((start-p) % alpha2) == 0 ? 1 : 0;\n\tq1 = box((end-p), alpha2);\n\t//printf(\"q1 = %lld\\n\", q1);\n\t\n\tbase = box(-p, alpha2) + 1;\n\tbase -= (p % alpha2) == 0 ? 1 : 0;\n\tq = max(q, base);\n\t//printf(\"q = %lld\\n\", q);\n\t\n\tbase = box(-p1, alpha1) + 1;\n\tbase -= (p1 % alpha1) == 0 ? 1 : 0;\n\tq = max(q, base);\n\t//printf(\"q = %lld\\n\", q);\n\t\n\tans = q1 - (q - 1);\n\t//printf(\"ans = %lld\\n\", ans);\n\tif (ans < 0 )\n\t{\n\t\tans = 0;\n\t}\n\n\t/*\n\tj = 0;\n\tfor (i = q; i <= box((end-p), alpha2); i++)\n\t{\n\t\tif (p + i*alpha2 >=0 && p1 + i*alpha1 >= 0)\n\t\t{\n\t\t\tj++;\n\t\t}\n\t}\n\t*/\n\t//printf(\"start = %lld, end = %lld\\n\", start, end);\n\t//printf(\"p = %lld, p1 = %lld, q = %lld, r = %lld\\n\", p, p1, q, r);\n\t//printf(\"%lld %lld\\n\", box((end-p), alpha2), box((start-p), alpha2));\n\t/*\n\tif (p + q*alpha2 < 0 || p1 + q*alpha1 < 0)\n\t{\n\t\tprintf(\"%d\\n\", 0);\n\t\treturn 0;\n\t}\n\t*/\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n\n\n\n\n\n", "src_uid": "b08ee0cd6f5cb574086fa02f07d457a4"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define N\t100000\n#define M\t100000\n#define A\t200000\n#define L_\t18\t/* L_ = ceil(log2(A + 1)) */\n#define N_\t(1 << L_)\n#define M0\t469762049\t/* M0 = 56 * 2^23 + 1 */\n#define M1\t595591169\t/* M1 = 71 * 2^23 + 1 */\n\nint MM[2] = { M0, M1 };\n\nlong long power(int a, int k, int md) {\n\tlong long b = a, p = 1;\n\n\twhile (k) {\n\t\tif (k & 1)\n\t\t\tp = p * b % md;\n\t\tb = b * b % md;\n\t\tk >>= 1;\n\t}\n\treturn p;\n}\n\nlong long wu[2][L_ + 1][N_], wv[2][L_ + 1][N_], VV[2], V01;\n\nvoid init() {\n\tint g, l, u, v;\n\n\tV01 = power(M0, M1 - 2, M1);\n\tfor (g = 0; g < 2; g++) {\n\t\tint md = MM[g], i;\n\n\t\tu = power(3, md - 1 >> L_, md), v = power(u, md - 2, md);\n\t\tVV[g] = power(N_, md - 2, md);\n\t\tfor (l = L_; l > 0; l--) {\n\t\t\twu[g][l][0] = wv[g][l][0] = 1;\n\t\t\tfor (i = 1; i < 1 << l; i++)\n\t\t\t\twu[g][l][i] = wu[g][l][i - 1] * u % md, wv[g][l][i] = wv[g][l][i - 1] * v % md;\n\t\t\tu = (long long) u * u % md, v = (long long) v * v % md;\n\t\t}\n\t}\n}\n\nvoid ntt(int *aa, int g, int inverse) {\n\tint md = MM[g], h, i, j, l, r;\n\n\tfor (i = 0, j = 1; j < N_; j++) {\n\t\tint n, tmp;\n\n\t\tn = N_ >> 1;\n\t\twhile ((i ^= n) < n)\n\t\t\tn >>= 1;\n\t\tif (i < j)\n\t\t\ttmp = aa[i], aa[i] = aa[j], aa[j] = tmp;\n\t}\n\tfor (l = 1; l <= L_; l++) {\n\t\tint n = 1 << l, m = n >> 1;\n\n\t\tfor (h = 0; h < N_; h += n)\n\t\t\tfor (r = 0; r < m; r++) {\n\t\t\t\tint a, b;\n\n\t\t\t\ti = h + r, j = i + m;\n\t\t\t\ta = aa[i], b = aa[j] * (inverse ? wv[g][l][r] : wu[g][l][r]) % md;\n\t\t\t\tif ((aa[i] = a + b) >= md)\n\t\t\t\t\taa[i] -= md;\n\t\t\t\tif ((aa[j] = a - b) < 0)\n\t\t\t\t\taa[j] += md;\n\t\t\t}\n\t}\n}\n\nlong long garner(int r0, int r1) {\n\tr1 = (r1 - r0) * V01 % M1;\n\tif (r1 < 0)\n\t\tr1 += M1;\n\treturn (long long) r1 * M0 + r0;\n}\n\nint main() {\n\tstatic long long ans[A + 1];\n\tstatic int aa[N], bb[M], aaa[2][2][N_], bbb[2][2][N_], cc[2][N_];\n\tint n, m, q, g, h, h1, h2, i, j, x, y, z, c;\n\n\tinit();\n\tscanf(\"%d%d%d\", &n, &m, &q);\n\tfor (i = 0; i < n; i++)\n\t\tscanf(\"%d\", &aa[i]);\n\tfor (j = 0; j < m; j++)\n\t\tscanf(\"%d\", &bb[j]);\n\tif (n == 1 && m == 1)\n\t\tans[aa[0] + bb[0]] = 1;\n\telse if (n == 1)\n\t\tans[aa[0] + bb[0]]--, ans[aa[0] + bb[m - 1]]--;\n\telse if (m == 1)\n\t\tans[aa[0] + bb[0]]--, ans[aa[n - 1] + bb[0]]--;\n\telse {\n\t\tz = aa[0] > aa[1];\n\t\ty = bb[0] > bb[1], c = aa[0] + bb[0];\n\t\tif (z == y)\n\t\t\tans[c]--;\n\t\tx = bb[m - 1] >= bb[m - 2], c = aa[0] + bb[m - 1];\n\t\tif (z == x)\n\t\t\tans[c]--;\n\t\tfor (j = 1; j < m - 1; j++) {\n\t\t\tx = bb[j] >= bb[j - 1], y = bb[j] > bb[j + 1], c = aa[0] + bb[j];\n\t\t\tif (!z) {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]--;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]++;\n\t\t\t} else {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]++;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]--;\n\t\t\t}\n\t\t}\n\t\tz = aa[n - 1] >= aa[n - 2];\n\t\ty = bb[0] > bb[1], c = aa[n - 1] + bb[0];\n\t\tif (z == y)\n\t\t\tans[c]--;\n\t\tx = bb[m - 1] >= bb[m - 2], c = aa[n - 1] + bb[m - 1];\n\t\tif (z == x)\n\t\t\tans[c]--;\n\t\tfor (j = 1; j < m - 1; j++) {\n\t\t\tx = bb[j] >= bb[j - 1], y = bb[j] > bb[j + 1], c = aa[n - 1] + bb[j];\n\t\t\tif (!z) {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]--;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]++;\n\t\t\t} else {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]++;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]--;\n\t\t\t}\n\t\t}\n\t\tz = bb[0] > bb[1];\n\t\tfor (i = 1; i < n - 1; i++) {\n\t\t\tx = aa[i] >= aa[i - 1], y = aa[i] > aa[i + 1], c = aa[i] + bb[0];\n\t\t\tif (!z) {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]--;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]++;\n\t\t\t} else {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]++;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]--;\n\t\t\t}\n\t\t}\n\t\tz = bb[m - 1] >= bb[m - 2];\n\t\tfor (i = 1; i < n - 1; i++) {\n\t\t\tx = aa[i] >= aa[i - 1], y = aa[i] > aa[i + 1], c = aa[i] + bb[m - 1];\n\t\t\tif (!z) {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]--;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]++;\n\t\t\t} else {\n\t\t\t\tif (!x && !y)\n\t\t\t\t\tans[c]++;\n\t\t\t\telse if (x && y)\n\t\t\t\t\tans[c]--;\n\t\t\t}\n\t\t}\n\t\tfor (i = 1; i < n - 1; i++) {\n\t\t\tx = aa[i] >= aa[i - 1], y = aa[i] > aa[i + 1];\n\t\t\tif (!x && !y)\n\t\t\t\taaa[0][0][aa[i]]++;\n\t\t\telse if (x && y)\n\t\t\t\taaa[1][0][aa[i]]++;\n\t\t}\n\t\tfor (j = 1; j < m - 1; j++) {\n\t\t\tx = bb[j] >= bb[j - 1], y = bb[j] > bb[j + 1];\n\t\t\tif (!x && !y)\n\t\t\t\tbbb[0][0][bb[j]]++;\n\t\t\telse if (x && y)\n\t\t\t\tbbb[1][0][bb[j]]++;\n\t\t}\n\t\tfor (h = 0; h < 2; h++) {\n\t\t\tmemcpy(aaa[h][1], aaa[h][0], sizeof aaa[h][0]);\n\t\t\tfor (g = 0; g < 2; g++)\n\t\t\t\tntt(aaa[h][g], g, 0);\n\t\t}\n\t\tfor (h = 0; h < 2; h++) {\n\t\t\tmemcpy(bbb[h][1], bbb[h][0], sizeof bbb[h][0]);\n\t\t\tfor (g = 0; g < 2; g++)\n\t\t\t\tntt(bbb[h][g], g, 0);\n\t\t}\n\t\tfor (h1 = 0; h1 < 2; h1++)\n\t\t\tfor (h2 = 0; h2 < 2; h2++)\n\t\t\t\tfor (g = 0; g < 2; g++) {\n\t\t\t\t\tint md = MM[g], d = h1 == h2 ? md - 2 : 2;\n\n\t\t\t\t\tfor (i = 0; i < N_; i++)\n\t\t\t\t\t\tcc[g][i] = (cc[g][i] + (long long) aaa[h1][g][i] * bbb[h2][g][i] % md * d) % md;\n\t\t\t\t}\n\t\tfor (g = 0; g < 2; g++) {\n\t\t\tint md;\n\t\t\tlong long v;\n\n\t\t\tntt(cc[g], g, 1);\n\t\t\tmd = MM[g], v = VV[g];\n\t\t\tfor (i = 0; i < N_; i++)\n\t\t\t\tcc[g][i] = (long long) cc[g][i] * v % md;\n\t\t}\n\t\tfor (i = 0; i <= A; i++) {\n\t\t\tlong long x = garner(cc[0][i], cc[1][i]);\n\n\t\t\tif (x > (long long) M0 * M1 - x)\n\t\t\t\tx -= (long long) M0 * M1;\n\t\t\tans[i] += x;\n\t\t}\n\t}\n\tans[0]++;\n\tfor (i = 1; i <= A; i++)\n\t\tans[i] += ans[i - 1];\n\twhile (q--) {\n\t\tint x;\n\n\t\tscanf(\"%d\", &x);\n\t\tprintf(\"%lld\\n\", ans[x - 1]);\n\t}\n\treturn 0;\n}\n", "src_uid": "25a6428f57022c12dfabdabbcc69c5a4"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <math.h>\n\nint equations(int m, int n){\n\tint a, b, aux = sqrt(m), aux2 = sqrt(n), mayor, res = 0;\n\tif (aux >= aux2)\n\t\tmayor = aux;\n\telse\n\t\tmayor= aux2;\n\tfor(a = 0; a<=aux; a++){\n\t\tb=0;\n\t\twhile ((a*a + b) <= m){\n\t\t\tif(((a*a + b)==m)&&((b*b + a)==n)){\n\t\t\t\tres++;\n\t\t\t\tb++;}\n\t\t\telse\n\t\t\t\tb++;\n\t\t}\n\t}\n\treturn res;\n}\n\nint main(void){\n\tint m, n;\n\tscanf(\"%d %d\", &m, &n);\n\tprintf(\"%d\\n\", equations(m, n));\n\treturn 0;\n}", "src_uid": "03caf4ddf07c1783e42e9f9085cc6efd"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint n;\n\tint k;\n\tint i,sum=0;\n\tint ans=0;\n\tfloat floatk;\n\tscanf(\"%d %d\",&n,&k);\n\tint a[n];\n\t\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t\tsum=sum+a[i];\n\t}\n\t\n\tfloatk=(float)(k-0.5);\n\t//printf(\"%f\",floatk);\n\t\n\twhile(floatk*(n+ans)>(sum+(k)*ans))\n\t{\n\t\tans=ans+1;\n\t}\n\t\n\tprintf(\"%d\",ans);\n\treturn 0;\n}\n", "src_uid": "f22267bf3fad0bf342ecf4c27ad3a900"}
{"source_code": "#include <stdio.h>\n\n/* http://codeforces.com/contest/411/submission/25959252 (Dukkha) */\n\nint win(int a1, int b1, int a2, int b2) {\n\treturn a1 > b2 && b1 > a2;\n}\n\nint main() {\n\tint a1, b1, a2, b2, a3, b3, a4, b4;\n\n\tscanf(\"%d%d%d%d%d%d%d%d\", &a1, &b1, &a2, &b2, &a3, &b3, &a4, &b4);\n\tif ((win(a1, b2, a3, b4) && win(a1, b2, a4, b3))\n\t\t\t|| (win(a2, b1, a3, b4) && win(a2, b1, a4, b3))) {\n\t\tprintf(\"Team 1\\n\");\n\t\treturn 0;\n\t}\n\tif ((win(a3, b4, a1, b2) || win(a4, b3, a1, b2))\n\t\t\t&& (win(a3, b4, a2, b1) || win(a4, b3, a2, b1))) {\n\t\tprintf(\"Team 2\\n\");\n\t\treturn 0;\n\t}\n\tprintf(\"Draw\\n\");\n\treturn 0;\n}\n", "src_uid": "1a70ed6f58028a7c7a86e73c28ff245f"}
{"source_code": "#include<stdio.h>\nint main(){\nint a,b,c,i,j;\nscanf(\"%d %d %d\",&a,&b,&c);\ni=a*c-c*b;\nj=i/b;\nif(i%b!=0)\n    j=j+1;\nprintf(\"%d\",j);\n}\n", "src_uid": "7dd098ec3ad5b29ad681787173eba341"}
{"source_code": "#include <stdio.h>\n\nint a[8], b[8];\n\nint min(int x, int y) {\n    return x < y ? x : y;\n}\n\nint max(int x, int y) {\n    return x > y ? x : y;\n}\n\nint main(int argc, char** argv) {\n    int i, ok = 0;\n    int ax, ay, bx, by;\n    int ax1, ax2, ay1, ay2;\n    int bx1, bx2, by1, by2;\n    \n    for (i = 0; i < 8; i++)\n        scanf(\"%d\", &a[i]);\n    for (i = 0; i < 8; i++)\n        scanf(\"%d\", &b[i]);\n    for (i = 0; i < 8; i++) {\n        a[i] = a[i] * 4;\n        b[i] = b[i] * 4;\n    }\n    \n    ax1 = ax2 = a[0];\n    ay1 = ay2 = a[1];\n    for (i = 2; i < 8; i += 2) {\n        ax1 = min(ax1, a[i]);\n        ax2 = max(ax2, a[i]);\n    }\n    for (i = 1; i < 8; i += 2) {\n        ay1 = min(ay1, a[i]);\n        ay2 = max(ay2, a[i]);\n    }\n    \n    bx1 = bx2 = b[0] + b[1];\n    by1 = by2 = b[0] - b[1];\n    for (i = 2; i < 8; i += 2) {\n        bx1 = min(bx1, b[i] + b[i+1]);\n        bx2 = max(bx2, b[i] + b[i+1]);\n    }\n    for (i = 2; i < 8; i += 2) {\n        by1 = min(by1, b[i] - b[i+1]);\n        by2 = max(by2, b[i] - b[i+1]);\n    }\n    \n    for (ax = -1000; ax <= 1000; ax++)\n        for (ay = -1000; ay <= 1000; ay++) {\n            bx = ax + ay;\n            by = ax - ay;\n            if ((ax1 <= ax && ax <= ax2) && (ay1 <= ay && ay <= ay2) && (bx1 <= bx && bx <= bx2) && (by1 <= by && by <= by2)) {\n                ok = 1;\n                ax = ay = 2000;\n            }\n        }\n    puts(ok ? \"YES\" : \"NO\");\n    \n    return 0;\n}\n", "src_uid": "f6a3dd8b3bab58ff66055c61ddfdf06a"}
{"source_code": "\n#include<stdio.h>\nlong long int abs(long long int n)\n{\n\tif (n < 0)\n\t\tn *= -1;\n\treturn n;\n}\nint main()\n{\n\tlong long int x0, y0, ax, ay, bx, by;\n\tscanf(\"%lld %lld %lld %lld %lld %lld\", &x0, &y0, &ax, &ay, &bx, &by);\n\tlong long int xs, ys, t;\n\tscanf(\"%lld %lld %lld\", &xs, &ys, &t);\n\tlong long int x[102], y[102];\n\tx[0] = x0;\n\ty[0] = y0;\n\tlong long int i, j;\n\tlong long int max = 10000000000000016;\n\tfor (i = 0; x[i] < max && y[i] < max; i++)\n\t{\n\t\tx[i + 1] = ax * x[i] + bx;\n\t\ty[i + 1] = ay * y[i] + by;\n\t}\n\tlong long int c = i + 1;\n\tlong long int ans = 0;\n\tfor (i = 0; i < c; i++)\n\t\tfor (j = 0; j < c; j++)\n\t\t\tif (abs(xs - x[i]) + abs(ys - y[i]) + abs(x[i] - x[j]) + abs(y[i] - y[j]) <= t)\n\t\t\t\tif (ans < abs(i - j) + 1)\n\t\t\t\t\tans = abs(i - j) + 1;\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}", "src_uid": "d8a7ae2959b3781a8a4566a2f75a4e28"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\ntypedef long long int lli;\nlli matriz[36][36];\n\nint main(int argc, char const *argv[]){\n    int n,h,i,j;\n    scanf(\"%d%d\",&n,&h);\n\n    for(int k=1;k<=n;k++){\n        matriz[0][k-1]=1;\n        for(i=1;i<=n;i++) for (j=0;j<i;j++) matriz[i][k]+= matriz[j][k-1]*matriz[i-1-j][k-1];\n    }\n\n    printf(\"%I64d\",matriz[n][n]-matriz[n][h-1]);\n\n    return 0;\n}", "src_uid": "faf12a603d0c27f8be6bf6b02531a931"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    long long int n,i,j,k,m,s=0,l;\n    char a[][14]= { \"Sheldon\" ,\"Leonard\" ,\"Penny\" ,\"Rajesh\" ,\"Howard\"};\n    scanf(\"%lld\",&n);\n    //l=5+(n-5)/2+(n-5)%2;\n    if(n<=5)\n        printf(\"%s\",a[n-1]);\n    else\n    {\n        for(i=5;; i*=2)\n        {\n            s=s+i;\n            if(s>=n)\n                break;\n        }\n        //printf(\"%lld\\n\",s);\n        //printf(\"%lld\\n\",i);\n        l=s-n;\n        l=i-l;\n        //printf(\"%lld\\n\",l,i);\n        if(l<=i/5)\n            printf(\"%s\",a[0]);\n        else if(l<=2*(i/5))\n            printf(\"%s\",a[1]);\n        else if(l<=3*(i/5))\n            printf(\"%s\",a[2]);\n        else if(l<=4*(i/5))\n            printf(\"%s\",a[3]);\n        else if(l<=i)\n            printf(\"%s\",a[4]);\n    }\n}", "src_uid": "023b169765e81d896cdc1184e5a82b22"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\ntypedef struct {\n\n\tint cap;\n\tint fil; \n\tint ind; // index\n} cups;\n\n\nint cm (const void * a, const void * b)\n{\n\tcups * A,* B;\n\tA = (cups *)a;\n\tB = (cups *)b;\n\tif ( A->cap == B->cap)\n\treturn 0;\n\telse return A->cap - B->cap;\n}\n\nint cmi (const void * a, const void * b)\n{\n\tcups * A, * B;\n\tA = (cups *)a;\n\tB = (cups *)b;\n\tif ( A->ind  == B->ind)\n\treturn 0;\n\telse return A->ind  - B->ind;\n}\n\nint main(){\ncups a[100];\nint s;\nint n,w;\nscanf(\"%i %i\",&n,&w);\n\n\nint sum = 0;\nint res = -2;\nint i;\ns = w;\n\nfor (i=0; i<n; i++)\n\t{\n\tscanf(\"%i\",&a[i].cap);\n\tsum += a[i].cap;\n\ta[i].fil = (a[i].cap + 1)/2;\n\ts -= a[i].fil;\n\ta[i].ind = i;\n\t}\nif (s < 0 || w > sum)\n\t{\n\tres = -1;\n\tgoto end;\n\t}\n\n\tqsort(a,n,sizeof(a[0]),cm);    // sort by cap value (see cm)\n//\tfor (i=0;i<n;i++) printf(\"cap = %i   fil = %i  ind = %i cur_i = %i\\n\",a[i].cap,a[i].fil,a[i].ind,i);\n//\tprintf(\"s = %i\\n\",s);\n\nres =1;\ni = n-1;\nwhile ( s > 0 && i >= 0)\n{\n\tint temp = a[i].cap - a[i].fil;\n\tif (temp > s)\n\t\t{\n\t\ta[i].fil += s;\n\t\ts = 0;\n\t\t}\n\telse\n\t\t{\n\t\ts -= temp;\n\t\ta[i].fil += temp;\n\t\t}\n\ti--;\n\n}\n \n\tqsort(a,n,sizeof(a[0]),cmi);    //sort by index  (see cmi )\n\n\nend: \n\tif (res > 0)\n\t\tfor (i=0;i<n;i++) printf(\"%i \",a[i].fil);\n\telse\n\t\tprintf(\"%i\",res);\n\tprintf(\"\\n\");\nreturn 0;\n\n}\n", "src_uid": "5d3bb9e03f4c5c8ecb6233bd5f90f3a3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int e=0,m=0,i,n;\n    scanf(\"%d\",&n);\n    while(n>0)\n    {\n        if(n%2==0)\n        {\n            n=2;\n        }\n        else\n            n=1;\n\n        if(n<=1)\n            break;\n        else\n        {\n            n=n-2;\n            m++;\n        }\n\n        if(n<=0)\n            break;\n        else\n        {\n            n=n-1;\n            e++;\n        }\n    }\n    if(m>e)\n        printf(\"Mahmoud\");\n    else\n        printf(\"Ehab\");\n    return 0;\n\n}\n", "src_uid": "5e74750f44142624e6da41d4b35beb9a"}
{"source_code": "#include<stdio.h>\n\nint main(){\n    int i, j, k;\n    char a[4],b[4],c[4];\n    scanf(\"%s\", a);\n    scanf(\"%s\", b);\n    scanf(\"%s\", c);\n    for(j=0,k=2; j<3,k>=0; j++,k--){\n        if(c[j]==a[k]){\n            continue;\n        }\n        else{\n            printf(\"NO\\n\");\n            return 0;\n        }\n    }\n    if(b[0]==b[2]){\n        printf(\"YES\\n\");\n    }\n    else{\n        printf(\"NO\\n\");\n    }\n    return 0;\n}\n", "src_uid": "6a5fe5fac8a4e3993dc3423180cdd6a9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n     int n,k,l,c,d,p,nl,np;\n     scanf(\"%d %d %d %d %d %d %d %d\",&n,&k,&l,&c,&d,&p,&nl,&np);\n     ///printf(\"n=%d\\nk=%d\\nl=%d\\nc=%d\\nd=%d\\np=%d\\nnl=%d\\nnp=%d\\n\",n,k,l,c,d,p,nl,np);\n     int cdt=c*d;\n     int drinkt=k*l;\n     int s,q,min;\n     s=drinkt/nl;\n     q=p/np;\n     if(s<q)\n     {\n          min=s;\n     }\n     else\n     {\n          min=q;\n     }\n     if(cdt<min)\n     {\n          min=cdt;\n     }\n     ///printf(\"%d %d %d %d\\n\",cdt,s,q,min);\n     printf(\"%d\\n\",min/n);\n}\n", "src_uid": "67410b7d36b9d2e6a97ca5c7cff317c1"}
{"source_code": "#include <stdio.h>\n#define max(a,b) (a>b)?a:b\nconst int maxn = 111;\nint main(){\n    int n, k;\n    char st[maxn];\n    int dp[maxn][maxn][maxn];\n    scanf(\"%d %d\", &n, &k);\n    scanf(\"%s\", st);\n    dp[0][0][0] = 1;\n    for(int e = 0; st[e]; e++){\n        for(int f = 0; f < maxn; f++)\n            for(int g = 0; g < maxn; g++){\n                if(dp[e][f][g]){\n                    if(st[e] == 'N') dp[e+1][max(f, g + 1)][g+1] = 1;\n                    if(st[e] == 'Y') dp[e+1][f][0] = 1;\n                    if(st[e] == '?'){\n                        dp[e+1][max(f, g + 1)][g+1] = 1;\n                        dp[e+1][f][0] = 1;\n                    }\n                }\n            }\n    }\n    int ans = 0;\n    for(int e = 0; e <= k; e++)\n        if(dp[n][k][e]) ans = 1;\n    if(ans) printf(\"YES\\n\");\n    else printf(\"NO\\n\");\n    return 0;\n}", "src_uid": "5bd578d3da5837c259b222336a194d12"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int numar ;\n    scanf(\"%d\", &numar);\n    if(numar%4==1)\n        printf(\"0 A \\n\");\n    if(numar%4==2)\n        printf(\"1 B \\n\");\n    if(numar%4==3)\n        printf(\"2 A \\n\");\n    if(numar%4==0)\n        printf(\"1 A \\n\");\n\n    return 0;\n}\n", "src_uid": "488e809bd0c55531b0b47f577996627e"}
{"source_code": "#include<stdio.h>\nint main() {\n    int n,a[200],i,c=0;\n    scanf(\"%d\",&n);\n    for(i=0; i<n; i++)\n        scanf(\"%d\",&a[i]);\n         for(i=0; i<n; i++)\n         {\n             if(a[i]!=0)\n                break;\n         }\n    for(; i<n; i++) {\n        if(a[i]==1) c++;\n        if(a[i]==1 && a[i+1]==0 && a[i+2]==1) c++;\n    }\n    printf(\"%d\\n\",c);\n    return 0;\n}\n\n", "src_uid": "2896aadda9e7a317d33315f91d1ca64d"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tlong n,m,f[100][100];\n\tint i,j,k,t,a[100],b[100];\n\tscanf(\"%ld%ld\",&n,&m);\n\tfor(i=0;i<n;i++) scanf(\"%d\",&a[i]);\n\tfor(i=0;i<n;i++) scanf(\"%d\",&b[i]);\n    for(i=n;i<4*n;i++){a[i]=a[i%n];b[i]=b[i%n];}\n\tfor(k=1;k<4*n;k+=2)\n     for(i=0;i<4*n-k;i++){\n\t\tj=i+k;\n\t\tif(j==i+1) f[i][j]=a[i]+b[j];\n\t\telse{\n\t\t   f[i][j]=f[i+1][j-1]+a[i]+b[j];\n\t\t   for(t=i+1;t<j;t+=2)\n\t\t\t   if(f[i][j]>f[i][t]+f[t+1][j]) f[i][j]=f[i][t]+f[t+1][j];\n\t\t}\n\t }\n    if(m<=4) printf(\"%ld\",f[0][n*m-1]);\n\telse{\n\t\tfor(i=t=0;i<2*n;i++) if(f[i][i+2*n-1]<f[t][t+2*n-1]) t=i;\n\t\tprintf(\"%ld\",f[t][t+2*n-1]*(m/2-1)+f[0][2*n-1]);\n\t}\n\treturn 0;\n}\n\n\n\t", "src_uid": "f40900973f4ebeb6fdafd75ebe4e9601"}
{"source_code": "#include<stdio.h>\n__int64 s[100];\nint b[100];\nint main()\n{\n\tint n;\n\t__int64 l,ans,c,d;\n\tint i,j,k;\n\tscanf(\"%d%I64d\",&n,&l);\n\tb[0]=l%2;\n\t//printf(\"%d\",b[0]);\n\tfor(i=1;l/2!=0;i++)\n\t{\n\t\tl=l/2;\n\t\tb[i]=l%2;\n\t\t//printf(\"%d\",b[i]);\n\t}\n\tfor(j=0;j<n;j++)\n\tscanf(\"%I64d\",&s[j]);\n\tif(i<n)\n\ti=n;\t\t\t\t\n\tfor(j=1;j<32;j++)\n\t{\n\t\t\n\t\tif(s[j]==0||s[j]>=2*s[j-1])\n\t\ts[j]=2*s[j-1];\n\t //printf(\"%dj%I64d\\n\",j,s[j]);\n\t}\n\tk=0;\n\tc=s[i-1]+100;\n\tans=0;\n\t//printf(\"%d\\n\",i);\n\tfor(j=0;j<i&&k==0;j++)\n\t{\n\t\tif(ans>s[j])\n\t\tans=s[j];\n\t\tans=ans+s[j]*b[j];\n\t}\t\n\tprintf(\"%I64d\\n\",ans);\n\treturn 0;\n}\n", "src_uid": "04ca137d0383c03944e3ce1c502c635b"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n\n#define MD\t1000000007\n\nint main() {\n\tlong long a, b;\n\n\tscanf(\"%lld%lld\", &a, &b);\n\tprintf(\"%lld\\n\", ((b * (b - 1) / 2) % MD) * ((b * (a * (a + 1) / 2 % MD) + a) % MD) % MD);\n\treturn 0;\n}\n", "src_uid": "cd351d1190a92d094b2d929bf1e5c44f"}
{"source_code": "\n#include <stdlib.h>\n#include <stdio.h>\n#include <stdbool.h>\n\nint main(void) {\n    int n, *a;\n    int k[100] = {0};\n    int p = 0;\n    int v = 0;\n    bool p_found = false;\n    scanf(\"%d\\n\", &n);\n    a = malloc(sizeof(int)*n);\n    for (int i=0; i<n; ++i) {\n        scanf(\"%d\", &a[i]);\n        k[a[i]-1] += 1;\n    }\n    for (int i=0; i<100; ++i) {\n        for (int j=i+1; j<100; ++j) {\n            if (!p_found && k[i] != 0 && k[j] != 0 && k[i] == k[j]) {\n                p = i+1;\n                v = j+1;\n                p_found = true;\n                k[i] = 0;\n                k[j] = 0;\n            }\n        }\n    }\n    for (int i=0; i<100; ++i) {\n        if (k[i] != 0) {\n            printf(\"NO\\n\");\n            return 0;\n        }\n    }\n    printf(\"YES\\n%d %d\\n\", p, v);\n    return 0;\n}\n", "src_uid": "2860b4fb22402ea9574c2f9e403d63d8"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n  int n;\n  long long f[21];\n  int i;\n  long long ans;\n\n  scanf(\"%d\", &n);\n  f[0] = 1;\n  for (i=1; i<21; i++) {\n    f[i] = f[i-1] * i;\n  }\n  ans = f[n] / f[n/2] / f[n/2];\n  ans *= f[n/2 - 1];\n  ans *= f[n/2 - 1];\n  ans /= 2;\n\n  printf(\"%lld\\n\", ans);\n\n  return 0;\n}\n", "src_uid": "ad0985c56a207f76afa2ecd642f56728"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nint main()\n{\n    int n, m, i;\n    double p = 0, q = 0;\n    double pi = acos(-1);\n    double x = (1 + sqrt(5)) / 2;\n    \n    scanf(\"%d\", &n);\n    \n    m = 4 * (n - 1) + 5;\n    \n    printf(\"%d\\n\", m);\n    \n    for (i = 0; i < n; i++) {\n        if (i == 0) printf(\"%.12lf %.12lf\\n\", p, q);\n        \n        printf(\"%.12lf %.12lf\\n\", p + 10 * x, q);\n        printf(\"%.12lf %.12lf\\n\", p + 5 * x, 10 * cos(54 * pi / 180));\n        printf(\"%.12lf %.12lf\\n\", p + 10 * cos(72 * pi / 180), -10 * sin(72 * pi / 180));\n        printf(\"%.12lf %.12lf\\n\", p + 10 * x - 10 * cos(72 * pi / 180), -10 * sin(72 * pi / 180));\n        \n        p += 10 * x;\n    }\n    \n    for (i = 0; i < n; i++) {\n        if (i == 0) {\n            printf(\"1\");\n        } else {\n            printf(\"%d\", i * 4 - 2);\n        }\n        \n        printf(\" %d %d %d %d\\n\", i * 4 + 4, i * 4 + 5, i * 4 + 2, i * 4 + 3);\n    }\n    \n    printf(\"1\");\n    \n    for (i = 0; i < n; i++) printf(\" %d\", i * 4 + 2);\n    \n    for (i = n - 1; i >= 0; i--) {\n        printf(\" %d %d %d\", i * 4 + 4, i * 4 + 3, i * 4 + 5);\n        \n        if (i == 0) {\n            printf(\" 1\");\n        } else {\n            printf(\" %d\", i * 4 - 2);\n        }\n    }\n    \n    puts(\"\");\n    \n    return 0;\n}", "src_uid": "db263b866e93e3a97731e11102923902"}
{"source_code": "\n#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#define SORT(a,n) qsort(a,n,sizeof(int),intcmp)\n#define s(n)                        scanf(\"%d\",&n)\n#define sc(n)                       scanf(\"%c\",&n)\n#define sl(n)                       scanf(\"%I64d\",&n)\n#define sf(n)                       scanf(\"%lf\",&n)\n#define ss(n)                       scanf(\"%s\",n)\n#define fill(a,v)                   memset(a, v, sizeof(a))\nint intcmp(const void *f,const void *s)\n{\n   return (*(int *)f -*(int *)s);\n}\nint gcd(int a,int b){ return ((b==0)?a:gcd(b,a%b));}\n\n#define MAX  64\n#define MODBY 1000000007\n\ntypedef long long int lld;\ntypedef long double Lf;\n\nint main()\n{\n   int cases;\n   int i,j;\n   int n,m,k;\n   int a[MAX];\n   scanf(\"%d%d%d\",&n,&m,&k);\n   for(i=0;i<n;++i){ s(a[i]);a[i]--;}\n   if(m<=k){ printf(\"0\\n\");\n      return 0;\n   }\n   int req=m-k;\n   SORT(a,n);\n   for(i=n-1,j=0;(req>0)&&(i>=0);--i,++j)\n      req-=a[i];\n   if(req>0) j=-1;\n   printf(\"%d\\n\",j);\n\n   return 0;\n}\n", "src_uid": "b32ab27503ee3c4196d6f0d0f133d13c"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char p[101];\n    int j=0,i,t=0;\n    scanf(\"%s\",p);\n    j=strlen(p);\n        for(i=0;i<j;i++){\n        if(p[i]=='H'||p[i]=='Q'||p[i]=='9')\n        {\n        printf(\"YES\");\n        break;\n        }\n        else{\n            t=t+1;\n            if(t==j)\n                printf(\"NO\");}}\nreturn 0;}\n", "src_uid": "1baf894c1c7d5aeea01129c7900d3c12"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nchar w[50000], freq[26];\n\nvoid umple(int s, int f){\n    int i, y=0;\n    for(i=s;i<f;i++){\n        while(freq[y]!=0)\n            y++;\n        if(w[i]=='?'){\n            w[i]=y+'A';\n            y++;\n        }\n    }\n}\n\nint main(){\n    int i=0, j, nrg=0, nrl=0, n, da=0;\n    w[i]=getchar();\n    while(w[i]!='\\n'){\n        i++;\n        w[i]=getchar();\n    }\n    n=i;\n    for(j=0;j<26 && j<n;j++){\n        if(w[j]=='?')\n            nrl++;\n        else{\n            nrg+=(freq[w[j]-'A']==0);\n            freq[w[j]-'A']++;\n        }\n    }\n    i=0;\n    while(j<=n){\n        if(nrg+nrl==26){\n            umple(i, j);\n            j=n;\n            da=1;\n        }\n        if(w[i]=='?')\n            nrl--;\n        else{\n            freq[w[i]-'A']--;\n            nrg-=(freq[w[i]-'A']==0);\n        }\n        if(w[j]=='?')\n            nrl++;\n        else{\n            nrg+=(freq[w[j]-'A']==0);\n            freq[w[j]-'A']++;\n        }\n        i++;\n        j++;\n    }\n    if(da==0)\n        printf(\"-1\");\n    else\n        for(i=0;i<n;i++){\n            if(w[i]=='?')\n                printf(\"A\");\n            else\n                printf(\"%c\", w[i]);\n        }\n\n    return 0;\n}\n", "src_uid": "a249431a4b0b1ade652997fe0b82edf3"}
{"source_code": "#include<stdio.h>\n#define MOD 1000000009\n\nint sqr(long long int x, int n)\n{\n\tif(n==0)\n\t\treturn 1;\n\telse if(n==1)\n\t\treturn x;\n\telse if(n%2==0)\n\t\treturn sqr( (x*x)%MOD, n/2 ) % MOD;\n\telse\n\t\treturn (x * sqr( (x*x)%MOD, (n-1)/2 )) % MOD;\n}\n\nint main()\n{\n\tint n, m, k;\n\tscanf(\"%d %d %d\", &n, &m, &k);\n\tint x, y, z;\n\tz = n%k;\n\ty = n/k;\n\tif(y*(k-1)+z >= m)\n\t{\n\t\tprintf(\"%d\\n\", m);\n\t}\n\telse\n\t{\n\t\tx = m - y*(k-1) - z;\n\t\ty -= x;\n\t\tlong long int ans;\n\t\tint i;\n\t\tans = sqr(2, x+1);\n\t\tans -= 2;\n\t\tif(ans<0)\n\t\t\tans += MOD;\n\t\tk %= MOD;\n\t\tans *= k;\n\t\tans %= MOD;\n\t\tans += y*(k-1);\n\t\tans %= MOD;\n\t\tans += z;\n\t\tans %= MOD;\n\t\tprintf(\"%lld\\n\", ans);\n\t}\n\treturn 0;\n}\n", "src_uid": "9cc1aecd70ed54400821c290e2c8018e"}
{"source_code": " #include<stdio.h>\n\n    int main()\n    {\n        int n, x, y, z, max = 1; // minimum #pieces is 1. i can't cut the ribbon\n        scanf(\"%d %d %d %d\", &n, &x, &y, &z);\n\n        for(int a=0;a<=n;a++) //iterating the coefficients of x and y\n        {\n             for(int b=0;b<=n;b++)\n            {\n                int k = n-x*a-y*b; // n=ax+by+k\n                if(k>=0 && k%z==0) //checks if k is a multiple of z\n                max = ((a+b+k/z) > max) ? (a+b+k/z) : max; // find the maximum value\n            }\n\n        }\n        printf(\"%d\\n\", max);\n        return 0;\n    }", "src_uid": "062a171cc3ea717ea95ede9d7a1c3a43"}
{"source_code": "#include<stdio.h>\n#include<stdbool.h>\n\ntypedef long long LL;\nbool inuse[10];\nint x[2][10], y[2][10], R, B, guarding[10];\n\nlong long cprodukt(int x1, int y1, int x2, int y2, int x3, int y3){\n\treturn (x3-x1)*(y2-y1)-(x2-x1)*(y3-y1);\n}\n\nbool cross(int g1, int s1, int g2, int s2){\n\treturn (\n\t\tcprodukt(x[0][g1], y[0][g1], x[1][s1], y[1][s1], x[0][g2], y[0][g2])\n\t\t*\n\t\tcprodukt(x[0][g1], y[0][g1], x[1][s1], y[1][s1], x[1][s2], y[1][s2])\n\t\t<0)\n\t\t&&\n\t\t(\n\t\tcprodukt(x[0][g2], y[0][g2], x[1][s2], y[1][s2], x[0][g1], y[0][g1])\n\t\t*\n\t\tcprodukt(x[0][g2], y[0][g2], x[1][s2], y[1][s2], x[1][s1], y[1][s1])\n\t\t<0);\n}\n\nbool pos(int d){\n\tif(d==R) return true;\n\tfor(int i=0;i<R;++i){\n\t\tif(inuse[i]) continue;\n\t\tinuse[i]=true;\n\t\tguarding[d]=i;\n\t\tfor(int j=0;j<d;++j) if(cross(j, guarding[j], d, i)) continue;\n\t\tif(pos(d+1)) return true;\n\t\tinuse[i]=false;\n\t\tguarding[d]=-1;\n\t}\n\treturn false;\n}\n\nint main(){\n\tscanf(\"%d %d\", &R, &B);\n\tif(R!=B){\n\t\tputs(\"NO\");\n\t\treturn 0;\n\t}\n\tfor(int j=0;j<2;++j) for(int i=0;i<R;++i) scanf(\"%d %d\", x[j]+i, y[j]+i);\n\tif(pos(0)) puts(\"YES\");\n\telse puts(\"NO\");\n\treturn 0;\n}\n", "src_uid": "65f81f621c228c09915adcb05256c634"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int i,j,k,highest=0,flag,n,skip,result=0,mark;\n\n    scanf(\"%d\",&n);\n\n    int a[n];\n\n    for(i=0;i<n;i++)\n        scanf(\"%d\",&a[i]);\n\n    for(i=0;i<n;i++)\n    {\n        if(a[i]>highest)highest=a[i];\n    }\n    skip=highest;\n    flag=highest;\n    j=flag;\n\n    for(i=0; ;i++)\n    {\n        if(a[0]==j)\n        {\n            for(k=1;k<n;k++)\n            {\n                if(a[0]==a[k])mark=1;\n                else mark=0;\n            }\n        }\n\n\n        for(k=1;k<n;k++)\n        {\n            if(a[k]==flag)\n            {\n                a[k]--;\n                if(a[0]<=flag)result++;\n                a[0]++;\n\n            }\n\n        }\n        flag--;\n        if(a[0]>flag)break;\n    }\n    printf(\"%d\",result);\n\n    return 0;\n\n}\n", "src_uid": "aa8fabf7c817dfd3d585b96a07bb7f58"}
{"source_code": "#include <inttypes.h>\r\n#include <stdio.h>\r\n#include <stdlib.h>\r\n#include <string.h>\r\n\r\nchar *reverse(char *px) {\r\n  int n = strlen(px);\r\n  char *perm = malloc(sizeof(char) * (n+1));\r\n  for (int i = 0; i < n; i++)\r\n    perm[i] = px[n-1-i];\r\n  perm[n] = '\\0';\r\n  return perm;\r\n}\r\n\r\nchar *gen(long long a) {\r\n  char *perm = malloc(sizeof(char) * 100);\r\n  int i = 0;\r\n  while (a) {\r\n    if (a & 1) perm[i++] = '1';\r\n    else perm[i++] = '0';\r\n    a >>= 1;\r\n  }\r\n  perm[i] = '\\0';\r\n  return reverse(perm);\r\n}\r\n\r\nint check(char *y, char *x) {\r\n  char *yy = malloc(sizeof(char) * 100), *xx = malloc(sizeof(char) * 100), one[100], temp[100];\r\n  strcpy(xx, x), strcpy(yy, y);\r\n  for (int i = 0; i < 100; i++) one[i] = '1';\r\n\r\n  char *str = strstr(yy, xx);\r\n  int len = strlen(xx), i;\r\n  if (str != NULL) {\r\n    strncpy(temp, str, len);\r\n    strncpy(str, one, len);\r\n    for (i = 0; yy[i] != '\\0'; i++)\r\n      if (yy[i] != '1') break;\r\n    strncpy(str, temp, len);\r\n\r\n    if (yy[i] == '\\0') return 1;\r\n  }\r\n\r\n  xx = reverse(xx);\r\n\r\n  str = strstr(yy, xx);\r\n  if (str != NULL) {\r\n    strncpy(temp, str, len);\r\n    strncpy(str, one, len);\r\n    for (i = 0; yy[i] != '\\0'; i++)\r\n      if (yy[i] != '1') break;\r\n    strncpy(str, temp, len);\r\n\r\n    if (yy[i] == '\\0') return 1;\r\n  }\r\n\r\n  return 0;\r\n}\r\n\r\nint main() {\r\n  long long x, y;\r\n  scanf(\"%\"PRId64\"%\"PRId64\"\", &x, &y);\r\n  int found = (x == y);\r\n  char *permX = gen(x), *permY = gen(y);\r\n  x = strlen(permX), y = strlen(permY);\r\n\r\n  if (permX[x-1] == '1') {\r\n    found |= check(permY, permX);\r\n  }\r\n  else {\r\n    permX[x] = '1', permX[x+1] = '\\0';\r\n    found |= check(permY, permX);\r\n    while (permX[x-1] == '0') permX[--x] = '\\0';\r\n    found |= check(permY, permX);\r\n  }\r\n\r\n  puts(found ? \"YES\" : \"NO\");\r\n\r\n  return 0;\r\n}\r\n", "src_uid": "9f39a3c160087beb0efab2e3cb510e89"}
{"source_code": "#include<stdio.h>\n\n#define MIN(x,y) (((x)<(y))?(x):(y))\n\nint main(void){\n  int n,a,b,c,ans=0;\n  scanf(\"%d%d%d%d\",&n,&a,&b,&c);\n  if(n>1) ans+=MIN(a,b);\n  if(n>2) ans+=(n-2)*MIN(MIN(a,b),c);\n  printf(\"%d\\n\",ans);\n  return 0;\n}\n", "src_uid": "6058529f0144c853e9e17ed7c661fc50"}
{"source_code": "#include<stdio.h>\n\nint minc(int a,int b){\n\tif(a<=b)\n\t{\n\t\treturn a;\n\t}\n\treturn b;\n}\n\nint main()\n{\n\tint n,a[10],b[10],maxW=0,minW1=0,minW2=0;\n\n\tscanf(\"%d\",&n);\n\tscanf(\"%d %d %d\",&a[1],&a[2],&a[3]);\n\tscanf(\"%d %d %d\",&b[2],&b[3],&b[1]);\n\tb[4]=b[1];\n\t// printf(\"%d %d %d\\n\",a[1],a[2],a[3]);\n\t// printf(\"%d %d %d\\n\",b[1],b[2],b[3]);\n\tmaxW=minc(a[1],b[3])+minc(a[2],b[1])+minc(a[3],b[2]);\n\n\tfor(int i =1;i<=3;i++)\n\t{\n\t\tif(a[i]!=0)\n\t\t{\n\t\t\tint buff = minc(a[i],b[i]);\n\t\t\ta[i]-=buff;\n\t\t\tif(a[i]!=0)\n\t\t\t{\n\t\t\t\tbuff = minc(a[i],b[i+1]);\n\t\t\t\ta[i]-=buff;\n\t\t\t\tb[i+1]-=buff;\n\t\t\t}\n\t\t}\n\n\t}\n\tminW1=a[1]+a[2]+a[3];\n\tprintf(\"%d %d\",minW1,maxW);\n\n\treturn 0;\n}", "src_uid": "e6dc3bc64fc66b6127e2b32cacc06402"}
{"source_code": "#include <stdio.h>\n#define max(a,b) (a)>(b)?(a):(b)\n\nint main(void){\n\tint n,m;\n\tscanf(\"%d %d\",&n,&m);\n\tint a[m+1],b[m+1],c[m+1],d[m+1];\n\tscanf(\"%d %d\",c,d);\n\tb[0]=c[0];\n\ta[0]=n;\n\tint i,j,k;\n\tfor (i=1;i<=m;i++){\n\t\tscanf(\"%d %d %d %d\",a+i,b+i,c+i,d+i);\n\t}\n\tint x[n+1];\n\tfor (i=0;i<=n;i++) x[i]=0;\n\tfor (j=0;j<=m;j++){\n\t\tfor (i=n;i>=0;i--){\n\t\t\tfor (k=0;k<=a[j]*1.0/b[j] && c[j]*k<=i;k++)\n\t\t\t\tx[i]=max(x[i-c[j]*k]+d[j]*k,x[i]);\n\t\t}\n\t}\n\tprintf(\"%d\",x[n]);\n\treturn 0;\n}\n", "src_uid": "4e166b8b44427b1227e0f811161d3a6f"}
{"source_code": "#include<stdio.h>\n\nint main() {\n\tint n,m,k,i;\n\tscanf(\"%d %d %d\",&n,&m,&k);\n\tif (n%2==0 || m==1 || k>m/2) {\n\t\tputs(\"Marsel\");\n\t\treturn 0;\n\t}\n\tif (k==1) {\n\t\tputs(\"Timur\");\n\t\treturn 0;\n\t}\n\tfor(i=2;i*i<=m;i++) if (m%i==0 && m/i>=k) break;\n\tif (i*i>m) {\n\t\tputs(\"Marsel\");\n\t\treturn 0;\n\t}\n\tputs(\"Timur\");\n\treturn 0;\n}", "src_uid": "4a3767011ddac874efa021fff7c94432"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#define min(a,b) ((a)<(b)?(a):(b))\n\ntypedef long long ll;\n\nchar str[200002];\n\nint main()\n{\n\tint i,n,m,res;\n\tll val, pw;\n\tscanf(\"%s%d\",str,&m);\n\tn=strlen(str);\n\tres=m;\n\tpw=1;\n\tval=0;\n\tfor(i=0;i<n;i++)\n\t{\n\t\tpw=pw*10%m;\n\t\tval=(val*10+str[i]-'0')%m;\n\t}\n\tfor(int i=0;i<n;i++)\n\t{\n\t\tif(str[i]!='0')\n\t\t\tres=min(res, val);\n\t\tval=((val*10-(str[i]-'0')*pw+str[i]-'0')%m+m)%m;\n\t}\n\tprintf(\"%d\\n\",(int)res);\n}\n", "src_uid": "d13c7b5b5fc5c433cc8f374ddb16ef79"}
{"source_code": "#include <stdio.h>\nint main ()\n{\n    int M, N, dominos;\n    scanf(\"%d %d\", &M,&N);\n    M= M;\n    N= N;\n    \n    if ( M >=1 && N >=M && N<=16)\n    {\n        \n        dominos = (M*N)/2;\n        printf(\"%d\",dominos);\n    }\n    return 0;\n}", "src_uid": "e840e7bfe83764bee6186fcf92a1b5cd"}
{"source_code": "\n#include <stdio.h>\n\n\nint main()\n{\n\tlong long a, b;\n\tlong long x, y, z;\n\tscanf(\"%I64d %I64d\", &a, &b);\n\tscanf(\"%I64d %I64d %I64d\", &x, &y, &z);\n\tlong long tmp = a - 2 * x - y;\n\tlong long tmp2 = b - y - 3 * z;\n\tif(tmp > 0) tmp = 0;\n\tif (tmp2 > 0) tmp2 = 0;\n\tprintf(\"%I64d\", (-tmp - tmp2));\n    return 0;\n}\n\n", "src_uid": "35202a4601a03d25e18dda1539c5beba"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a[6]={0},b[6]={0};\n    int n;\n    scanf(\"%d\",&n);\n    int i,j;\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&j);\n        a[j]++;\n    }\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d\",&j);\n        b[j]++;\n    }\n    int ans=0;j=0;\n    for(i=1;i<6;i++)\n    {\n\n        if((a[i]-b[i])%2!=0)\n        {\n            printf(\"-1\\n\");\n            return 0;\n        }\n        ans+=abs(a[i]-b[i])/2;\n        j+=a[i]-b[i];\n    }\n    if(j!=0) printf(\"-1\\n\");\n    else printf(\"%d\\n\",ans/2);\n    return 0;\n}\n", "src_uid": "47da1dd95cd015acb8c7fd6ae5ec22a3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tlong a,b,c,d,r1,r2,r3,r4,f1,f2,f3,f4;\n\tr1=0,r2=0,r3=0,r4=0;\n\tscanf(\"%ld %ld %ld %ld\",&a,&b,&c,&f1);\n\tr4+=a;\n\tr3+=b;\n\tr2+=c;\n\tr1+=a+b+c;\n\tscanf(\"%ld %ld %ld %ld\",&a,&b,&c,&f2);\n\tr1+=a;\n\tr4+=b;\n\tr3+=c;\n\tr2+=a+b+c;\n\tscanf(\"%ld %ld %ld %ld\",&a,&b,&c,&f3);\n\tr2+=a;\n\tr1+=b;\n\tr4+=c;\n\tr3+=a+b+c;\n\tscanf(\"%ld %ld %ld %ld\",&a,&b,&c,&f4);\n\tr3+=a;\n\tr2+=b;\n\tr1+=c;\n\tr4+=a+b+c;\n\tif((f1==1 && r1>0) || (f2==1 && r2>0) || (f3==1 && r3>0) || (f4==1 && r4>0))\n\t\tprintf(\"YES\\n\");\n\telse\n\t\tprintf(\"NO\\n\");\n\treturn 0;\n\n\n}\n", "src_uid": "44fdf71d56bef949ec83f00d17c29127"}
{"source_code": "//Tiles(incomplete)\n#include<stdio.h>\nlong long int power(long long int d,long long int s)\n{\n    if(s==1) return d;\n    else if(s==0) return 1;\n    else\n    {\n        long long int u,v=d;\n        for(u=1;u<s;u++)\n        {\n            d=((d%998244353)*(v%998244353))%998244353;\n        }\n        return d;\n    }\n}\nint main()\n{\n    long long int w,h,ans;\n    scanf(\"%lld%lld\",&w,&h);\n    ans=(power(2,w+h))%998244353;\n    printf(\"%lld\",ans);\n    return 0;\n}\n", "src_uid": "8b2a9ae21740c89079a6011a30cd6aee"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nint main()\n\n{\n    int i,h,e,l,o ,j,p,s ;\n    h=0;\n    e=0;\n    l=0;\n    o=0;\n\n    char w[100];\n    gets(w);\n\n    int flag=0;\n    int length=strlen(w);\n    if (length>=5)\n    {\n\n        for (i=0; i<length ; i++)\n        {\n\n            if (w[i]=='h')\n            {\n                h=i;\n                break;\n            }\n        }\n        for (j=i+1; j<length ; j++)\n        {\n            if (w[j]=='e')\n            {\n                e=j;\n                break;\n            }\n        }\n        for (p=j+1; p<length ; p++)\n        {\n            if (w [p]=='l')\n\n            {\n                flag+=1;\n                l=p;\n                if (flag==2)\n                {\n                    break;\n                }\n            }\n\n        }\n        for (s=p+1; s<length ; s++)\n        {\n\n            if (w[s]=='o')\n            {\n                o=s;\n                break;\n            }\n        }\n\n    }\n    if ( o>l && l>e && e>h )\n    {\n        printf(\"YES\");\n    }\n\n    else\n    {\n        printf(\"NO\");\n    }\n\n    return 0;\n}\n", "src_uid": "c5d19dc8f2478ee8d9cba8cc2e4cd838"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tlong long int n;\n\t\n\t\n\t\n\t\n\tscanf(\"%I64d\",&n);\n\t\n\tint count=0,i,a=0;\n\t\n\tif(n<0)\n\tn=n*-1;\n\t\n\t\n\tfor(i=1 ;n!=a;i++)\n\t{\n\t\ta=a+i;\n\t\tcount++;\n\t\t\n\t\tif(n<a)\n\t\t{\n\t\t\tif((a-n)%2!=0)\n\t\t\t{\n\t\t\t\tif((i+1)%2==0)\n\t\t\t\t{\n\t\t\t\t\tcount+=2;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tcount++;\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\t\t\tbreak;\n\t\t}\n\t\t\n\t\t\n\t\t\n\t\t\n\t}\n\t\n\tprintf(\"%d\",count);\n\t\n\t\n\treturn 0;\n}\n\n\n\n", "src_uid": "18644c9df41b9960594fdca27f1d2fec"}
{"source_code": "#include <stdio.h>\n\n#define ll long long\n\nint main(){\n  long long int n, m, s, x ,y, ans;\n\n  scanf(\"%I64d%I64d%I64d\", &n, &m, &s);\n\n  if (n <= s)\n    x =  n;\n  else\n    x = (n-1)/s + 1;\n\n  if (m <= s)\n    y = m;\n  else\n    y = (m-1)/s + 1;\n  \n  if(s < n)\n    x *= ((n - 1) %s) + 1;\n\n  if(s < m)\n    y *= ((m - 1) %s) + 1;\n\n  ans = x*y;  \n  printf(\"%I64d\\n\", ans);\n\n  return 0;\n}\n", "src_uid": "e853733fb2ed87c56623ff9a5ac09c36"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint main()\n{\n\tint x[3],i;\n\tint out=10000,dist=0;\n\tfor(i=0;i<3;i++)\n\t{\n\t\tscanf(\"%d\",&x[i]);\n\t\tif(x[i]<out)\n\t\t\tout=x[i];\n\t\tif(x[i]>dist)\n\t\t\tdist=x[i];\n\t}\n\t\n\n\tprintf(\"%d\\n\",dist-out);\n\t\n\treturn 0;\n}\n", "src_uid": "7bffa6e8d2d21bbb3b7f4aec109b3319"}
{"source_code": "#include <stdio.h>\n\n\nint main()\n{\n    long long unsigned int n,i,j,result=0;\n    int m;\n    int ss;\n    scanf(\"%I64d\",&n);\n    scanf(\"%d\",&m);\n    if(m==1)\n    {\n        printf(\"%I64d\",n*n);\n        return 0;\n    }\n\n    /*for(i=1;i<=n;i++)\n        for(j=1;j<=i;j++)\n        {\n            if( (i*i+j*j)%m==0 && i!=j) result+=2;\n            if( (i*i+j*j)%m==0 && i==j) result+=1;\n        }*/\n        long long unsigned int resultiii=0;\n        int x=1;\n        int y=1;\n        for(i=1;i<=m;i++)\n        {\n            resultiii=0;\n            x=n/m;\n            if(n%m >= i) x++;\n            for(j=1;j<=m;j++)\n            {\n                if( (i*i+j*j)%m==0 )\n                {\n                    y=n/m;\n                    if(n%m >= j) y++;\n                    resultiii+=y;\n                }\n\n            }\n            //printf(\"x=%d y=%d and resulti =%d row %d = %d\\n\",x,y,resultiii,i,(resultiii*y*x));\n            result +=(resultiii*x);\n        }\n    printf(\"%I64d\",result);\n    return 0;\n}\n", "src_uid": "2ec9e7cddc634d7830575e14363a4657"}
{"source_code": "n,o;\nmain()\n    { scanf(\"%d\",&n);\n    while(n--&&!o){\n    scanf(\"%d\",&o);}\n    printf (o?\"hard\":\"easy\");\n}", "src_uid": "060406cd57739d929f54b4518a7ba83e"}
{"source_code": "#include<stdio.h>\nlong long int modpow(long long int a, long long int n, long long int p)\n{\n\tif (n < 0)\n\t\treturn 0;\n\tlong long int res = 1;\n\twhile (n > 0)\n\t{\n\t\tif (n % 2 > 0)\n\t\t\tres = res * a % p;\n\t\ta = a * a % p;\n\t\tn /= 2;\n\t}\n\treturn res;\n}\nint main()\n{\n\tlong long int n, m, l, r;\n\tscanf(\"%lld %lld %lld %lld\", &n, &m, &l, &r);\n\tlong long int p = 998244353;\n\tif (n * m % 2 > 0)\n\t\tprintf(\"%lld\\n\", modpow(r - l + 1, n * m, p));\n\telse if ((r - l) % 2 > 0)\n\t\tprintf(\"%lld\\n\", modpow(r - l + 1, n * m, p) * modpow(2, p - 2, p) % p);\n\telse\n\t\tprintf(\"%lld\\n\", (modpow(r - l + 1, n * m, p) + 1) * modpow(2, p - 2, p) % p);\n}", "src_uid": "ded299fa1cd010822c60f2389a3ba1a3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,m,a,b,cost=0,k,l,o;\n    scanf(\"%d %d %d %d\",&n,&m,&a,&b);\n    if(n>m)\n    {\n        k=(n-n%m)*a;\n    l=(n/m*b);\n    if(l<=k)\n        cost=l;\n    else\n        cost=k;\n        if((n%m*a)<=(n%m*b))\n    cost=cost+(n%m*a);\n    else\n        cost=cost+b;\n\n    }\n    else\n    {\n        if(n*a<b)\n            cost=n*a;\n            else\n            cost=b;\n    }\n    printf(\"%d\",cost);\n\n\n\n    return 0;\n}\n", "src_uid": "faa343ad6028c5a069857a38fa19bb24"}
{"source_code": "#include <stdio.h>\n \n#define A\t200000\n \nint main() {\n\tstatic int kk[A + 1], ll[A + 1], xx[A + 1];\n\tint n, k, a, b, cnt, ans;\n \n\tscanf(\"%d%d\", &n, &k);\n\twhile (n--) {\n\t\tscanf(\"%d\", &a);\n\t\tkk[a]++;\n\t}\n\tfor (a = 0; a <= A; a++)\n\t\twhile (kk[a]--) {\n\t\t\tb = a;\n\t\t\tcnt = 0;\n\t\t\twhile (1) {\n\t\t\t\tif (ll[b] < k)\n\t\t\t\t\txx[b] += cnt, ll[b]++;\n\t\t\t\tcnt++;\n\t\t\t\tif (b == 0)\n\t\t\t\t\tbreak;\n\t\t\t\tb /= 2;\n\t\t\t}\n\t\t}\n\tans = 0x3f3f3f3f;\n\tfor (a = 0; a <= A; a++)\n\t\tif (ll[a] >= k && ans > xx[a])\n\t\t\tans = xx[a];\n\tprintf(\"%d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "ed1a2ae733121af6486568e528fe2d84"}
{"source_code": "#include<stdio.h>\n\nint main(void){\n    int n,m,p;\n\n    scanf(\"%d%d%d\",&n,&m,&p);\n\n    if(n<=m && n<=p){\n        printf(\"Yes\");\n    }\n    else printf(\"No\");\n\n    return 0;\n}\n", "src_uid": "6cd07298b23cc6ce994bb1811b9629c4"}
{"source_code": "#include<stdio.h>\n#include<stdint.h>\n#include<stdlib.h>\n\nint main()\n{\n  int n,m,k,i,j,la;\nscanf(\"%d%d%d\",&n,&m,&k);\n  if(2*k>m-1||2*k>n-1)\n    {printf(\"0\");return 0;}\nint64_t ans=0;\n if(n>m)\n  la=n;\nelse\nla=m;\n\n  int64_t mat[la+1][la+1];\n  \n   for(i=0;i<=la;i++)\n    for(j=0;j<=la;j++)\n       mat[i][j]=0;\n  \n     for(i=1;i<=la;i++)\n       mat[i][i]=1;\n\n     for(i=1;i<=la;i++)\n      mat[i][1]=i;\n\n     for(i=2;i<=la;i++)\n      for(j=2;j<i;j++)\n{\n   mat[i][j]=mat[i-1][j-1]%1000000007+mat[i-1][j]%1000000007;\n}\nans=(mat[n-1][2*k]*mat[m-1][2*k])%1000000007;\n    // for(i=0;i<=la;i++)\n   //{ for(j=0;j<=la;j++)\n    // {\n   printf(\"%I64d \",ans);\n//}printf(\"\\n\");}\n\n return 0;\n}\n", "src_uid": "309d2d46086d526d160292717dfef308"}
{"source_code": "//set many funcs\n#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#define inf 1072114514\n#define llinf 1145141919810364364\n#define mod 1000000007\n\nint max(int a,int b){if(a>b){return a;}return b;}\nint min(int a,int b){if(a<b){return a;}return b;}\nint zt(int a,int b){return max(a,b)-min(a,b);}\nint round(int a,int b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}\nint ceil(int a,int b){if(a%b==0){return a/b;}return (a/b)+1;}\nint gcd(int a,int b){int c;while(b!=0){c=a%b;a=b;b=c;}return a;}\nint lcm(int a,int b){int c=gcd(a,b);a/=c;return a*b;}\nint nCr(int a,int b){int i,r=1;for(i=1;i<=b;i++){r*=(a+1-i);r/=i;}return r;}\nint fact(int a){int i,r=1;for(i=1;i<=a;i++){r*=i;}return r;}\nint pow(int a,int b){int i,r=1;for(i=1;i<=b;i++){r*=a;}return r;}\nlong long llmax(long long a,long long b){if(a>b){return a;}return b;}\nlong long llmin(long long a,long long b){if(a<b){return a;}return b;}\nlong long llzt(long long a,long long b){return llmax(a,b)-llmin(a,b);}\nlong long llround(long long a,long long b){if((a%b)*2 >= b){return (a/b)+1;}return a/b;}\nlong long llceil(long long a,long long b){if(a%b==0){return a/b;}return (a/b)+1;}\nlong long llgcd(long long a,long long b){long long c;while(b!=0){c=a%b;a=b;b=c;}return a;}\nlong long lllcm(long long a,long long b){long long c=llgcd(a,b);a/=c;return a*b;}\nlong long llnCr(long long a,long long b){long long i,r=1;for(i=1;i<=b;i++){r*=(a+1-i);r/=i;}return r;}\nlong long llfact(long long a){long long i,r=1;for(i=1;i<=a;i++){r*=i;}return r;}\nlong long llpow(long long a,long long b){long long i,r=1;for(i=1;i<=b;i++){r*=a;}return r;}\ndouble dbmax(double a,double b){if(a>b){return a;}return b;}\ndouble dbmin(double a,double b){if(a<b){return a;}return b;}\ndouble dbzt(double a,double b){return dbmax(a,b)-dbmin(a,b);}\nint sortfncsj(const void *a,const void *b){if(*(int *)a>*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}\nint sortfnckj(const void *a,const void *b){if(*(int *)a<*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}\nint llsortfncsj(const void *a,const void *b){if(*(long long *)a>*(long long *)b){return 1;}if(*(long long *)a==*(long long *)b){return 0;}return -1;}\nint llsortfnckj(const void *a,const void *b){if(*(long long *)a<*(long long *)b){return 1;}if(*(long long *)a==*(long long *)b){return 0;}return -1;}\nint dbsortfncsj(const void *a,const void *b){if(*(double *)a>*(double *)b){return 1;}if(*(double *)a==*(double *)b){return 0;}return -1;}\nint dbsortfnckj(const void *a,const void *b){if(*(double *)a<*(double *)b){return 1;}if(*(double *)a==*(double *)b){return 0;}return -1;}\n\nint main(void){\n    int a,b,f,k,c=0,zf,i;\n    scanf(\"%d%d%d%d\",&a,&b,&f,&k);\n    if(b<f){printf(\"-1\\n\");return 0;}\n    if(b<(a-f)){printf(\"-1\\n\");return 0;}\n    zf=b-f;\n    for(i=1;i<=k-1;i++){\n        if(i%2){\n            if(b<(a-f)*2){printf(\"-1\\n\");return 0;}\n            if(zf<(a-f)*2){c++;zf=b;}\n            zf-=((a-f)*2);\n        }\n        else{\n            if(b<f*2){printf(\"-1\\n\");return 0;}\n            if(zf<f*2){c++;zf=b;}\n            zf-=(f*2);\n        }\n    }\n    if(k%2){if(zf<a-f){c++;}}\n    else{if(zf<f){c++;}}\n    printf(\"%d\\n\",c);\n    return 0;\n}", "src_uid": "283aff24320c6518e8518d4b045e1eca"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint a,b,c,x,y,z,extra=0,needed=0;\n\tscanf(\"%d%d%d%d%d%d\",&a,&b,&c,&x,&y,&z);\n\tif(a>x)\n\t\textra+=(a-x)/2;\n\telse\n\t\tneeded+=x-a;\n\tif(b>y)\n\t\textra+=(b-y)/2;\n\telse\n\t\tneeded+=y-b;\n\tif(c>z)\n\t\textra+=(c-z)/2;\n\telse\n\t\tneeded+=z-c;\n\tif(extra>=needed)\n\t\tprintf(\"Yes\\n\");\n\telse\n\t\tprintf(\"No\\n\");\n\treturn 0;\n}\n", "src_uid": "1db4ba9dc1000e26532bb73336cf12c3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,k=0,i;\n    scanf(\"%d\",&n);\n    char m[105];\n    scanf(\"%s\",m);\n    for(i=0;m[i]!='\\0';i++)\n    {\n        if(m[i]=='a'||m[i]=='e'||m[i]=='i'||m[i]=='o'||m[i]=='u'||m[i]=='y')\n        {\n            k++;\n            if(k>1)\n            {\n\n            }\n            else\n                printf(\"%c\",m[i]);\n        }\n        else\n        {\n            printf(\"%c\",m[i]);\n            k=0;\n        }\n    }\n}\n", "src_uid": "63a4a5795d94f698b0912bb8d4cdf690"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint i,j,k,l,n,m,c,sum,min;\n\tscanf(\"%d%d\",&n,&m);\n\tchar a[n+1];\n\tscanf(\"%s\",a);\n\tfor(j=0;j<n-1;j++)\n\t{\n\t\tfor(i=1;i<n-j;i++)\n\t\t{\n\t\t\tif(a[i-1]>a[i])\n\t\t\t{\n\t\t\t\tc=a[i]+a[i-1];\n\t\t\t\ta[i]=c-a[i];\n\t\t\t\ta[i-1]=c-a[i-1];\n\t\t\t}\n\t\t}\n\t}\n\tif(m==1)\n\t{\n\tprintf(\"%d\",a[0]-96);\n\treturn 0;\n\t}\n\telse\n\t{\n\tsum=a[0]-96;\n\tc=1;\n\tmin=0;\n\tfor(l=1;l<n;l++)\n\t{\n\tif((a[l]-a[min])>1)\n\t{\n\t\tsum=sum+a[l]-96;\n\t\tc++;\n\t\ta[min]=a[l];\n\t}\t\n\tif(c==m)\n\t{\n\t\tprintf(\"%d\",sum);\n\t\treturn 0;\n\t}\n\t}\n\tif(c!=m)\n\tprintf(\"-1\");\n}\n\treturn 0;\n}\n", "src_uid": "56b13d313afef9dc6c6ba2758b5ea313"}
{"source_code": "#include<stdio.h>\r\n#include<math.h>\r\nint main(){\r\n   int n=0;\r\n   scanf(\"%d\",&n);\r\n   if(n==1)\r\n    printf(\"3\");\r\n    else if(n==2)\r\n    printf(\"5\");\r\n    else\r\n    printf(\"%d\",(4+n+(n-3)/3));\r\n}", "src_uid": "d0a8604b78ba19ab769fd1ec90a72e4e"}
{"source_code": "/* Author Kh. Assaduzzaman Sohan  */\n\n#include<stdio.h>\n#include<string.h>\n#include<math.h>\n#define mod 100000007\nchar x[11][11],y[11][11];\nint main()\n{\n    int i,j,k,d=0,X=0;\n\n    for(i=0; i<10; i++) scanf(\"%s\",x[i]);\n\n    //for(i=0; i<10; i++) printf(\"%s\\n\",x[i]);\n\n    for(i=0; i<10; i++)\n    {\n        for(j=0; j<10; j++)\n        {\n            y[i][j]=x[j][i];\n        }\n    }\n    //Checking horizontal\n    for(i=0; i<10; i++)\n    {\n        for(j=0; j<6; j++)\n        {\n            X=0;\n            d=0;\n            if(x[i][j]=='X') X++;\n            if(x[i][j+1]=='X') X++;\n            if(x[i][j+2]=='X') X++;\n            if(x[i][j+3]=='X') X++;\n            if(x[i][j+4]=='X') X++;\n            if(x[i][j]=='.') d++;\n            if(x[i][j+1]=='.') d++;\n            if(x[i][j+2]=='.') d++;\n            if(x[i][j+3]=='.') d++;\n            if(x[i][j+4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n    //Checking vertical\n    for(i=0; i<10; i++)\n    {\n        for(j=0; j<6; j++)\n        {\n            X=0;\n            d=0;\n            if(y[i][j]=='X') X++;\n            if(y[i][j+1]=='X') X++;\n            if(y[i][j+2]=='X') X++;\n            if(y[i][j+3]=='X') X++;\n            if(y[i][j+4]=='X') X++;\n            if(y[i][j]=='.') d++;\n            if(y[i][j+1]=='.') d++;\n            if(y[i][j+2]=='.') d++;\n            if(y[i][j+3]=='.') d++;\n            if(y[i][j+4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n    //Checking diagonal\n    for(i=0; i<6; i++)\n    {\n        for(j=0; j<6; j++)\n        {\n            X=0;\n            d=0;\n            if(x[i][j]=='X') X++;\n            if(x[i+1][j+1]=='X') X++;\n            if(x[i+2][j+2]=='X') X++;\n            if(x[i+3][j+3]=='X') X++;\n            if(x[i+4][j+4]=='X') X++;\n            if(x[i][j]=='.') d++;\n            if(x[i+1][j+1]=='.') d++;\n            if(x[i+2][j+2]=='.') d++;\n            if(x[i+3][j+3]=='.') d++;\n            if(x[i+4][j+4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n    for(i=9; i>=4; i--)\n    {\n        for(j=9; j>=4; j--)\n        {\n            X=0;\n            d=0;\n            if(x[i][j]=='X') X++;\n            if(x[i-1][j-1]=='X') X++;\n            if(x[i-2][j-2]=='X') X++;\n            if(x[i-3][j-3]=='X') X++;\n            if(x[i-4][j-4]=='X') X++;\n            if(x[i][j]=='.') d++;\n            if(x[i-1][j-1]=='.') d++;\n            if(x[i-2][j-2]=='.') d++;\n            if(x[i-3][j-3]=='.') d++;\n            if(x[i-4][j-4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n        for(i=0; i<6; i++)\n    {\n        for(j=9; j>=4; j--)\n        {\n            X=0;\n            d=0;\n            if(x[i][j]=='X') X++;\n            if(x[i+1][j-1]=='X') X++;\n            if(x[i+2][j-2]=='X') X++;\n            if(x[i+3][j-3]=='X') X++;\n            if(x[i+4][j-4]=='X') X++;\n            if(x[i][j]=='.') d++;\n            if(x[i+1][j-1]=='.') d++;\n            if(x[i+2][j-2]=='.') d++;\n            if(x[i+3][j-3]=='.') d++;\n            if(x[i+4][j-4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n        for(i=9; i>=4; i--)\n    {\n        for(j=0; j<6; j++)\n        {\n            X=0;\n            d=0;\n            if(x[i][j]=='X') X++;\n            if(x[i-1][j+1]=='X') X++;\n            if(x[i-2][j+2]=='X') X++;\n            if(x[i-3][j+3]=='X') X++;\n            if(x[i-4][j+4]=='X') X++;\n            if(x[i][j]=='.') d++;\n            if(x[i-1][j+1]=='.') d++;\n            if(x[i-2][j+2]=='.') d++;\n            if(x[i-3][j+3]=='.') d++;\n            if(x[i-4][j+4]=='.') d++;\n\n            if((X==4&&d==1)|| X==5)\n            {\n                printf(\"YES\");\n                return 0;\n            }\n        }\n    }\n    printf(\"NO\");\n\n    return 0;\n}\n", "src_uid": "d5541028a2753c758322c440bdbf9ec6"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint max(int a,int b)\n{\n\tif(a>b)\n\t\treturn a;\n\telse\n\t\treturn b;\n}\n\nint min(int a,int b)\n{\n\tif(a<b)\n\t\treturn a;\n\telse\n\t\treturn b;\n}\n\nint main()\n{\n\tint n,i,s=0;\n\tint *a,**d;\n\t\n\tscanf(\"%d\",&n);\n\ta=(int*)calloc(n+2,sizeof(int));\n\td=(int**)calloc(2,sizeof(int*));\n\td[0]=(int*)calloc(n+2,sizeof(int));\n\td[1]=(int*)calloc(n+2,sizeof(int));\n\t\n\tfor(i=1;i<=n;++i){\n\t\tscanf(\"%d\",&a[i]);\n\t\ts+=a[i];\t\n\t}\n\t\n\tfor(i=n;i>=0;i--){\n\t\td[0][i]=max(d[0][i+1],d[1][i+1]+a[i]);\n\t\td[1][i]=min(d[0][i+1],d[1][i+1]+a[i]);\n\t}\n\t\n\tprintf(\"%d %d\",d[1][1],d[0][1]);\n}", "src_uid": "414540223db9d4cfcec6a973179a0216"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,i;\n    scanf(\"%d\",&n);\n    char s[n+2];\n    scanf(\"%s\",s);\n    int c1=0,c0=0;\n    for(i=0;s[i]!='\\0';i++){\n        if(s[i]=='1')\n            c1++;\n        else\n            c0++;\n    }\n    if(c1>0){\n            printf(\"1\");\n    }\n        for(i=1;i<=c0;i++)\n            printf(\"0\");\n}\n", "src_uid": "ac244791f8b648d672ed3de32ce0074d"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\nint check(int a,int b);\n\nint main()\n{ int n,h=0,k=1,answer=0,answer1=0,i;// n is length h determine if iam in() or out k is outflag ans1 is number of chars out ans1 number of words inside\n    scanf(\"%d\",&n);\n    char a[n+1];\n        scanf(\"%s\",a);\n\n        char x; // x is the character being scanned\nfor(i=0;i<n;i++){\n    x=a[i];\n\n    if(x=='('){\n        h=k=0;continue;\n    }\n    if(x==')'){\n            k=1;//then we are out the ()\n    h=0;\n    continue;\n\n    }\n    if(x=='_')\n        {\n            h=0;//not a word\n            continue;\n        }\n        if(k==1)\n        {\n            h++;\n            answer=check(answer,h);\n        }\n        else\n        {\n            if(h==0)\n                answer1++;\n            h++;\n        }\n    }\n    printf(\"%d %d\\n\",answer,answer1);\n    return 0;\n}\nint check(int a,int b)\n{\n    return a>b?a:b;\n}\n", "src_uid": "fc86df4931e787fa3a1a40e2aecf0b92"}
{"source_code": "/* practice with Dukkha */\n#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nchar ss[4][32];\n\nint get(char *s) {\n\tstatic int n;\n\tint i;\n\n\tfor (i = 0; i < n; i++)\n\t\tif (strcmp(ss[i], s) == 0)\n\t\t\treturn i;\n\tstrcpy(ss[n], s);\n\treturn n++;\n}\n\nint g1[4], g0[4], pp[4], dd[4];\n\nint compare(const void *a, const void *b) {\n\tint i = *(int *) a;\n\tint j = *(int *) b;\n\tint gi, gj;\n\n\tif (pp[i] != pp[j])\n\t\treturn pp[j] - pp[i];\n\tgi = g1[i] - g0[i];\n\tgj = g1[j] - g0[j];\n\tif (gi != gj)\n\t\treturn gj - gi;\n\tif (g1[i] != g1[j])\n\t\treturn g1[j] - g1[i];\n\treturn strcmp(ss[i], ss[j]);\n}\n\nint main() {\n\tstatic char s[32], t[32], z[8];\n\tstatic int ii[4];\n\tint h, i, j, x, y, x_, y_, r;\n\n\tfor (h = 0; h < 5; h++) {\n\t\tscanf(\"%s%s%s\", s, t, z);\n\t\ti = get(s), j = get(t);\n\t\tx = z[0] - '0';\n\t\ty = z[2] - '0';\n\t\tg1[i] += x, g0[j] += x;\n\t\tg0[i] += y, g1[j] += y;\n\t\tif (x > y)\n\t\t\tpp[i] += 3;\n\t\telse if (x < y)\n\t\t\tpp[j] += 3;\n\t\telse {\n\t\t\tpp[i]++;\n\t\t\tpp[j]++;\n\t\t}\n\t\tdd[i]++;\n\t\tdd[j]++;\n\t}\n\tfor (i = 0; i < 4; i++)\n\t\tii[i] = i;\n\ti = 0;\n\twhile (strcmp(ss[i], \"BERLAND\"))\n\t\ti++;\n\tj = 0;\n\twhile (j == i || dd[j] != 2)\n\t\tj++;\n\tx_ = 30, y_ = 0;\n\tfor (x = 1; x < 30; x++)\n\t\tfor (y = 0; y < x; y++) {\n\t\t\tg1[i] += x, g0[j] += x;\n\t\t\tg0[i] += y, g1[j] += y;\n\t\t\tif (x > y)\n\t\t\t\tpp[i] += 3;\n\t\t\telse if (x < y)\n\t\t\t\tpp[j] += 3;\n\t\t\telse {\n\t\t\t\tpp[i]++;\n\t\t\t\tpp[j]++;\n\t\t\t}\n\t\t\tqsort(ii, 4, sizeof *ii, compare);\n\t\t\tr = 0;\n\t\t\twhile (ii[r] != i)\n\t\t\t\tr++;\n\t\t\tif (r < 2)\n\t\t\t\tif (x_ - y_ > x - y || x_ - y_ == x - y && y_ > y)\n\t\t\t\t\tx_ = x, y_ = y;\n\t\t\tg1[i] -= x, g0[j] -= x;\n\t\t\tg0[i] -= y, g1[j] -= y;\n\t\t\tif (x > y)\n\t\t\t\tpp[i] -= 3;\n\t\t\telse if (x < y)\n\t\t\t\tpp[j] -= 3;\n\t\t\telse {\n\t\t\t\tpp[i]--;\n\t\t\t\tpp[j]--;\n\t\t\t}\n\t\t}\n\tif (x_ < 30)\n\t\tprintf(\"%d:%d\\n\", x_, y_);\n\telse\n\t\tprintf(\"IMPOSSIBLE\\n\");\n\treturn 0;\n}\n", "src_uid": "5033d51c67b7ae0b1a2d9fd292fdced1"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int i, n, a[100], b[100], total, totala = 0, totalb = 0, m[100], ja = 0, jb = 0, j = 0;\n    scanf (\"%d\", &n);\n    for (i = 1; i<= n; i++)\n    {\n        scanf (\"%d\", &a[i]);\n        scanf (\"%d\", &b[i]);\n        total = a[i] + b[i];\n        totala += a[i];\n        totalb += b[i];\n        if (((a[i] % 2 != 0 ) && (b[i] % 2 == 0)) || ((b[i] % 2 != 0 ) && (a[i] % 2 == 0)))\n        {\n            j ++;\n        }\n    }\n    if ((totala % 2 == 0) && (totalb % 2 == 0))\n    {\n        printf (\"0\\n\");\n    }\n    else\n    {\n        if (j % 2 == 0 && j > 0)\n        {\n            printf (\"1\\n\");\n        }\n        else\n        {\n            printf(\"-1\\n\");\n        }\n    }\nreturn 0;\n}\n", "src_uid": "f9bc04aed2b84c7dd288749ac264bb43"}
{"source_code": "#include<stdio.h>\nlong long int mod=1000000007;\nlong long int modpowfast(long long int b,long long int e)\n{\n\tlong long int ans=1;\n\twhile(e>0)\n\t{\n\t\tif(e&1)\n\t\t\tans=(ans*b)%mod;\n\t\tb=(b*b)%mod;\n\t\te=e>>1;\n\t}\n\treturn ans;\n}\nint main()\n{\n\tlong long int p,k,m,x;\n\tscanf(\"%lld %lld\",&p,&k);\n\tif(k==0)\n\t{\n\t\tprintf(\"%lld\\n\",modpowfast(p,p-1));\n\t}\n\telse if(k==1)\n\t{\n\t\tprintf(\"%lld\\n\",modpowfast(p,p));\t\t\n\t}\n\telse\n\t{\n\t\tx=k;\n\t\tfor(m=1;x!=1;m++)\n\t\t{\n\t\t\tx=(x*k)%p;\n\t\t}\n\t\tprintf(\"%lld\\n\",modpowfast(p,(p-1)/m));\n\t}\n\treturn 0;\n}\n", "src_uid": "580bf65af24fb7f08250ddbc4ca67e0e"}
{"source_code": "#include <stdio.h>\n\nint max(int a, int b)\n{\n     if (a > b) {\n\t  return a;\n     } else {\n\t  return b;\n     }\n}\n\nint min(int a, int b)\n{\n     if (a < b) {\n\t  return a;\n     } else {\n\t  return b;\n     }\n}\n\nint main()\n{\n     char s[4][3];\n     int p, q, i, j, k;\n     int a[8][8] = {0};\n     int b[2][2];\n\n     for (i = 0; i < 4; i++) scanf(\"%s\", s[i]);\n\n     p = s[2][0] - 'a';\n     q = s[2][1] - '1';\n\n     for (i = p - 1; i <= p + 1; i++) {\n\t  for (j = q - 1; j <= q + 1; j++) {\n\t       if (i >= 0 && i < 8 && j >= 0 && j < 8) a[i][j] = 1;\n\t  }\n     }\n\n     for (i = 0; i < 2; i++) {\n\t  b[i][0] = s[i][0] - 'a';\n\t  b[i][1] = s[i][1] - '1';\n\n\t  for (j = b[i][0]; j >= 0; j--) {\n\t       a[j][b[i][1]]++;\n\n\t       if (j == p && b[i][1] == q) break;\n\t  }\n\n\t  for (j = b[i][0] + 1; j < 8; j++) {\n\t       a[j][b[i][1]]++;\n\n\t       if (j == p && b[i][1] == q) break;\n\t  }\n\n\t  for (j = b[i][1] - 1; j >= 0; j--) {\n\t       a[b[i][0]][j]++;\n\n\t       if (b[i][0] == p && j == q) break;\n\t  }\n\n\t  for (j = b[i][1] + 1; j < 8; j++) {\n\t       a[b[i][0]][j]++;\n\n\t       if (b[i][0] == p && j == q) break;\n\t  }\n     }\n\n     p = s[3][0] - 'a';\n     q = s[3][1] - '1';\n\n     if (a[p][q] == 0) {\n\t  puts(\"OTHER\");\n\n\t  return 0;\n     }\n\n     for (i = p - 1; i <= p + 1; i++) {\n\t  for (j = q - 1; j <= q + 1; j++) {\n\t       if (i >= 0 && i < 8 && j >= 0 && j < 8) {\n\t\t    if (a[i][j] == 0) {\n\t\t\t puts(\"OTHER\");\n\n\t\t\t return 0;\n\t\t    }\n\n\t\t    for (k = 0; k < 2; k++) {\n\t\t\t if (i == b[k][0] && j == b[k][1]) {\n\t\t\t      if (a[i][j] == 1) {\n\t\t\t\t   puts(\"OTHER\");\n\n\t\t\t\t   return 0;\n\t\t\t      }\n\t\t\t }\n\t\t    }\n\t       }\n\t  }\n     }\n\n     puts(\"CHECKMATE\");\n\n     return 0;\n}\n", "src_uid": "5d05af36c7ccb0cd26a4ab45966b28a3"}
{"source_code": "#include <stdio.h>\n#define oo 1000000000\n#define gmin(a,b) ((a)>(b)?(b):(a))\nlong getans=0,w[10000]={0},h[10000]={0},n,min,total=0,hash[40000000]={0},z[2000000]={0},an[200000]={0};\nvoid work(long k,long tot)\n{\n    long i,o,j;\n    if(k<=n)\n    {\n        if(k>min)\n            return ;\n        for(i=1;i<=tot;i++)\n        if(w[i])\n        {\n            w[i]-=k;\n            o=min;\n            h[k]=i;\n            if(w[i] && w[i]<min)\n                min=w[i];\n            if(w[i]==0)\n            {\n                min=oo;\n                for(j=1;j<=tot;j++)\n                    if(w[j]<min && w[j])\n                        min=w[j];\n            }\n            work(k+1,tot);\n            if(getans)\n                return; \n            h[k]=0;\n            min=o;\n            w[i]+=k;\n        }\n    }\n    else\n        getans=1;\n}\nvoid dfs(long onp,long k,long tot,long count)\n{\n    long i;\n    if(k<tot)\n    {\n        for(i=onp+1;i<=total && count-z[i]>=0;i++)\n        {\n            an[k]=z[i];\n            dfs(i+1,k+1,tot,count-z[i]);\n            if(getans)\n                return ;\n        }\n    }\n    else\n    {\n        if(hash[count]==0)\n        {\n            for(i=1;i<tot;i++)\n                w[i]=an[i];\n            w[k]=count;\n            min=gmin(count,w[1]);\n            work(1,tot);\n        }\n    }\n}\nint main()\n{\n    long i,top,j,ans;\n    scanf(\"%ld\\n\",&n);\n    top=(1+n)*n/2;\n    for(i=2;i<=top;i++)\n    {\n        if(hash[i]==0)\n            z[++total]=i;\n        for(j=1;j<=total && z[j]*i<=top;j++)\n        {\n            hash[z[j]*i]=1;\n            if(i%z[j]==0)\n                break;\n        }\n    }\n    for(ans=1;;ans++)\n    {\n        dfs(0,1,ans,top);\n        if(getans)\n        {\n            for(i=1;i<=n;i++)\n                printf(\"%ld \",h[i]);\n            return 0;\n        }\n    }\n    return 0;\n}", "src_uid": "94ef0d901f21e1945849fd5bfc2d1449"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    long long x,sum;\n    scanf(\"%lld\",&x);\n\n    if(x%2==0)sum=x/2;\n    else sum=(x-1)/2-x;\n\n    printf(\"%lld\",sum);\n\n\n    return 0;\n}\n", "src_uid": "689e7876048ee4eb7479e838c981f068"}
{"source_code": "#include <stdio.h>\nlong long main()\n{\n\tlong long n;\n\tscanf(\"%lld\",&n);\n\tif(n<10)\n\t{\n\t\tprintf(\"%lld\",n);\n\t\treturn 0;\n\t}\n\tif(n>=10 && n<100)\n\t{\n\t\tlong long digits=9+(n-9)*2;\n\t\tprintf(\"%lld\",digits);\n\t\treturn 0;\n\t}\n\tif(n>=100 && n<1000)\n\t{\n\t\tlong long digits=9+90*2+(n-99)*3;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=1000 && n<10000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-999)*4;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=10000 && n<100000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-9999)*5+9000*4;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=100000 && n<1000000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-99999)*6+9000*4+90000*5;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=1000000 && n<10000000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-999999)*7+9000*4+90000*5+6*900000;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=10000000 && n<100000000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-9999999)*8+9000*4+90000*5+6*900000+9000000*7;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n>=100000000 && n<1000000000)\n\t{\n\t\tlong long digits=9+90*2+900*3+(n-99999999)*9+9000*4+90000*5+6*900000+9000000*7+90000000*8;\n\t\tprintf(\"%lld\", digits);\n\t\treturn 0;\n\t}\n\tif(n==1000000000)\n\t{\n\t\t\n\t\tprintf(\"8888888899\");\n\t\treturn 0;\n\n\t}\n\n}", "src_uid": "4e652ccb40632bf4b9dd95b9f8ae1ec9"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n\t// your code goes here\n\tint n;\n\tscanf(\"%d\\n\",&n);\n\tint a[n],swap=0;\n\tint i,j,c=0,temp[n];\n\tfor(i=0;i<n;i++)\n\tscanf(\"%d \",&a[i]);\n\tscanf(\"\\n\");\n\tfor(i=0;i<n-1;i++)\n\t{for(j=0;j<n-i-1;j++)\n\t{ if(a[j]>a[j+1])\n{\tswap=a[j];\n\ta[j]=a[j+1];\n\ta[j+1]=swap;}\n\t}}\n\t   \n\t   for(i=0;i<n-1;i++)\n\t  { if(a[i]!=a[i+1] && a[i]!=0)\n\t   temp[++c]=a[i];}\n\t   temp[++c]=a[n];\n\t   printf(\"%d\",c);\n\t\n\t\n\t\n\t\n\t\n\treturn 0;\n}\n", "src_uid": "3b520c15ea9a11b16129da30dcfb5161"}
{"source_code": "#include<stdio.h>\nint main()\n{double i,j,t,m,x1,y1,x2,y2,x3,c1,c2,y3;\nscanf(\"%lf%lf%lf%lf%lf%lf\",&x1,&y1,&x2,&y2,&x3,&y3);\nc1=y2-y1;c2=x2-x1;\nif(c2!=0)\n{m=(y2-y1)/(x2-x1);\nif(y3==(m*(x3-x1)+y1))\nprintf(\"TOWARDS\");\nelse if(y3>(m*(x3-x1)+y1))\n{if(c1>=0&&c2>0||c2>0&&c1<0)\nprintf(\"LEFT\");\nelse\nprintf(\"RIGHT\");}\nelse\n{if(c1<=0&&c2<0||c2<0&&c1>0)\nprintf(\"LEFT\");\nelse\nprintf(\"RIGHT\");}}\nelse\n{if(c1>0)\n{if(x3==x2)\nprintf(\"TOWARDS\");\n    else if(x3>x2)\n    printf(\"RIGHT\");\n    else\n    printf(\"LEFT\");\n}\nelse\n{if(x3==x2)\nprintf(\"TOWARDS\");\n    else if(x3<x2)\n    printf(\"RIGHT\");\n    else\n    printf(\"LEFT\");\n}\n\n}\nreturn 0;\n}\n", "src_uid": "f6e132d1969863e9f28c87e5a44c2b69"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint power(int x,int y)\n{\n    int mul=1,i;\n    for(i=1;i<=y;i++){\n        mul=mul*x;\n    }\n    return mul;\n}\nint main()\n{\n\tchar s[100010];\n\tgets(s);\n\tint l=strlen(s),c=0,a[10],i;\n\tint flag=0;\n    if(s[0]=='?') flag=1;\n    else if(s[0]>='A'&&s[0]<='J') flag=2;\n    for(i=0;i<l;i++){\n        if(s[i]=='?') c++;\n        else if(s[i]>='A'&&s[i]<='J') a[s[i]-'A']++;\n    }\n    long long m;\n    if(flag==1){\n    \tm=power(10,c-1)*9;\n\t}\n\telse{\n\t\tm=power(10,c);\n\t}\n\tint cnt=0,n=9,n1=10;\n\tlong long mal=1;\n\tfor(i=0;i<10;i++){\n\t\tif(a[i]!=0){\n\t\t\tif(flag==2){\n\t\t\t\tmal=mal*n;\n\t\t\t\tcnt++;\n\t\t\t\tif(cnt>1) n--;\n\t\t\t}\n\t\t\telse{\n\t\t\t\tmal=mal*n1;\n\t\t\t\tn1--;\n\t\t\t}\n\t\t}\n\t}\n\tif(c==0) printf(\"%I64d\",mal);\n\telse if(mal==1) printf(\"%I64d\",m);\n\telse printf(\"%I64d\",mal*m);\n\treturn 0;\n}\n", "src_uid": "d3c10d1b1a17ad018359e2dab80d2b82"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int i, j, n, m, x1, y1, x2, y2;\n\n    scanf(\"%d %d %d %d %d %d\", &n, &m, &x1, &y1, &x2, &y2);\n\n    i = abs(x1 - x2);\n    j = abs(y1 - y2);\n\n    if (i > j) {\n        int aux = i;\n        i = j;\n        j = aux;\n    }\n\n    if ((i <= 2 && j <= 4) || (i == 3 && j == 3)) {\n        puts(\"First\");\n    } else {\n        puts(\"Second\");\n    }\n\n    return 0;\n}\n", "src_uid": "41f6f90b7307d2383495441114fa8ea2"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint n, i, j, k, a[26], flag[26], g, K;\n\tchar s[1000000];\n\twhile (scanf(\"%d%d%s\", &n, &k, &s) != EOF)\n\t{\n\t\tj = 0;\n\t\tg = 0;\n\t\tfor (i = 0; i < 26; i++)\n\t\t{\n\t\t\ta[i] = 0;\n\t\t\tflag[i] = 0;\n\t\t}\n\t\tfor (i = 0; i < n; i++)a[s[i] - 65]++;\n\t\tfor (i = 0; i < n; i++)\n\t\t{\n\t\t\tif (flag[s[i] - 65] == 0)\n\t\t\t{\n\t\t\t\tif (a[s[i] - 65] != 1)\n\t\t\t\t{\n\t\t\t\t\tg++;\n\t\t\t\t\tflag[s[i] - 65]++;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tg++;\n\t\t\t\t\tK++;\n\t\t\t\t}\n\t\t\t}\n\t\t\telse if (flag[s[i] - 65] < a[s[i] - 65] - 1)flag[s[i] - 65]++;\n\t\t\telse if(flag[s[i] - 65] == a[s[i] - 65] - 1)\n\t\t\t{\n\t\t\t\tg--;\n\t\t\t}\n\t\t\tif (g > k)\n\t\t\t{\n\t\t\t\tprintf(\"YES\\n\");\n\t\t\t\tj = 1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (K)\n\t\t\t{\n\t\t\t\tg--;\n\t\t\t\tK = 0;\n\t\t\t}\n\t\t}\n\t\tif (!j)printf(\"NO\\n\");\n\t}\n\treturn 0;\n}", "src_uid": "216323563f5b2dd63edc30cb9b4849a5"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define mod 1000000009\n#define max(a,b) ((a)>(b)?(a):(b))\n\nchar str[15][15]={0};\nchar prefix[106][15]={0};\nlong o=0;\nlong g[106][4]={0},m;\nchar gene[5]=\"ACGT\";\n\nlong f[1006][106][15]={0};\nlong a[106]={0};\nchar opt[15]={0};\n\nlong find(char opt[],long l,long r)\n{\n long i,j,k;\n long a[15]={0};\n \n for(i=1;i<=m;i++)\n   {\n    for(j=1;opt[j];j++)\n      {\n       for(k=0;opt[j+k]==str[i][1+k]&&opt[j+k]&&str[i][1+k];k++);\n       if(!str[i][1+k])\n        for(k=0;str[i][1+k];k++)\n          a[j+k]=1;\n      }\n   }\n for(j=l;j<=r;j++)\n   if(!a[j])\n    return 0;\n return 1;\n}\n\nlong search(char opt[],long l)\n{\n long i,j,k;\n long a[15]={0};\n \n for(i=1;i<=m;i++)\n   {\n    for(j=1;opt[j];j++)\n      {\n       for(k=0;opt[j+k]==str[i][1+k]&&opt[j+k]&&str[i][1+k];k++);\n       if(!str[i][1+k])\n        for(k=0;str[i][1+k];k++)\n          a[j+k]=1;\n      }\n   }\n for(i=l+1;a[i];i++);\n return i-1;\n}\n\nint main()\n{\n long n,i,j,k,l,t;\n long ans=0;\n char ch;\n \n scanf(\"%ld%ld\",&n,&m);\n for(i=1;i<=m;i++)\n   scanf(\"%s\",str[i]+1);\n for(i=1;i<=m;i++)\n   for(j=1;str[i][j];j++)\n     {\n      ch=str[i][j+1];\n      str[i][j+1]=0;\n      for(k=1;k<=o;k++)\n        if(strcmp(prefix[k]+1,str[i]+1)==0)\n         break;\n      if(k>o)\n       {\n        strcpy(prefix[++o]+1,str[i]+1);\n        prefix[o][0]=strlen(prefix[o]+1);\n       }\n      str[i][j+1]=ch;\n      if(!str[i][j+1])\n       a[k]=1;\n     }\n \n for(i=0;i<=o;i++)\n   {\n    for(j=0;j<4;j++)\n      {\n      // prefix[i][prefix[i][0]+1]=gene[j];\n       memset(opt,0,sizeof(opt));\n       strcpy(opt,prefix[i]);\n       opt[opt[0]+1]=gene[j];\n       for(k=1;k<=prefix[i][0]+1;k++)\n         for(l=1;l<=o;l++)\n           {\n            if(strcmp(opt+k,prefix[l]+1)==0)\n             {\n              g[i][j]=l;\n              goto loop;\n             }\n           }\n       loop:;\n      }\n    //prefix[i][prefix[i][0]+1]=0;\n   }\n \n f[0][0][0]=1;\n for(i=0;i<n;i++)\n   for(j=0;j<=o;j++)\n     for(k=0;k<=prefix[j][0];k++)\n       if(f[i][j][k])\n        {\n         for(l=0;l<4;l++)\n           if(g[j][l])\n            {\n             memset(opt,0,sizeof(opt));\n             strcpy(opt,prefix[j]);\n             opt[prefix[j][0]+1]=gene[l];\n            // if(k-(prefix[j][0]+1-prefix[g[j][l]][0])>=0||find(opt,k+1,prefix[j][0]+1-prefix[g[j][l]][0]))\n             t=search(opt,k);\n             if(t>=prefix[j][0]+1-prefix[g[j][l]][0])\n               {\n                f[i+1][g[j][l]][t-(prefix[j][0]+1-prefix[g[j][l]][0])]+=f[i][j][k];\n                f[i+1][g[j][l]][t-(prefix[j][0]+1-prefix[g[j][l]][0])]%=1000000009;\n               }\n            }\n        }\n for(j=1;j<=o;j++)\n   for(k=0;k<=prefix[j][0];k++)\n     if(find(prefix[j],k+1,prefix[j][0]))\n      {\n       ans+=f[n][j][k];\n       ans%=mod;\n      }\n printf(\"%ld\\n\",ans);\n \n return 0;\n}\n", "src_uid": "3f053c07deaac55c2c51df6147080340"}
{"source_code": "#include <stdio.h>\n\nint max(int a, int b)\n{\n    if (a > b) {\n        return a;\n    } else {\n        return b;\n    }\n}\n\nint main()\n{\n    int n, m, K, ans = 0, i, j, k, l, p;\n    int a[10][100], b[10][100], c[10][100];\n    \n    scanf(\"%d %d %d\", &n, &m, &K);\n    \n    for (i = 0; i < n; i++) {\n        char s[11];\n        \n        scanf(\"%s\", s);\n        \n        for (j = 0; j < m; j++) scanf(\"%d %d %d\", &a[i][j], &b[i][j], &c[i][j]);\n    }\n    \n    for (i = 0; i < n; i++) {\n        for (j = 0; j < n; j++) {\n            int dp[101][101] = {0};\n            \n            if (i == j) continue;\n            \n            for (k = 0; k < m; k++) {\n                for (l = 0; l <= K; l++) {\n                    for (p = 0; p <= c[i][k] && l + p <= K; p++) {\n                        dp[k + 1][l + p] = max(dp[k + 1][l + p], dp[k][l] + p * (b[j][k] - a[i][k]));\n                    }\n                }\n            }\n            \n            for (k = 1; k <= K; k++) ans = max(ans, dp[m][k]);\n        }\n    }\n    \n    printf(\"%d\\n\", ans);\n    \n    return 0;\n}\n", "src_uid": "7419c4268a9815282fadca6581f28ec1"}
{"source_code": "#include<stdio.h>\n#include<conio.h>\n\nint main()\n{\n    long long n;\n    scanf(\"%I64d\", &n);\n    long long result;\n    result = n / 2;\n    int temp = 1;\n    while(temp * 2 <= n)\n        temp = temp * 2;\n    if(n % 2 == 0)\n    {\n        printf(\"%I64d\", (n - temp)/2);\n    }\n    else\n        printf(\"%I64d\", result);\n}\n", "src_uid": "422abdf2f705c069e540d4f5c09a4948"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int ara[3][3];\n    int i,j;\n    for(i=0;i<=2;i++){\n        for(j=0;j<=2;j++){\n            scanf(\"%I64d\", &ara[i][j]);\n        }\n    }\n    ara[0][0]=(ara[1][0]+ara[1][2]+ara[2][0]+ara[2][1] - (ara[0][1]+ara[0][2]))/2;\n    ara[1][1]=(ara[0][1]+ara[0][2]+ara[2][0]+ara[2][1] - (ara[1][0]+ara[1][2]))/2;\n    ara[2][2]=(ara[1][0]+ara[1][2]+ara[0][1]+ara[0][2] - (ara[2][1]+ara[2][0]))/2;\n\n        for(i=0;i<=2;i++){\n        for(j=0;j<=2;j++){\n            printf(\"%I64d \", ara[i][j]);\n            if(j==2){\n                printf(\"\\n\");\n            }\n        }\n    }\n\n    return 0;\n}\n", "src_uid": "0c42eafb73d1e30f168958a06a0f9bca"}
{"source_code": "#include <stdio.h>\n#include <math.h>\nlong long int  m=1000000007;\nlong long int power(long long int x,long long int y,long long int m)\n{\n    long long int temp;\n    if(y==0)\n        return 1;\n    temp=power(x,y/2,m);\n    if(y%2==0)\n        return ((temp%m)*(temp%m))%m;\n    else\n        return (x*(((temp%m)*(temp%m))%m)%m)%m;\n}\nint main()\n{\n\tlong long int n,p,k,ans,ans1;\n\tscanf(\"%lld %lld %lld\",&n,&p,&k);\n\tif(k==-1 && (n+p)%2==1)\n\tans=0;\n\telse\n\t{\n\tans=power(2,(n-1),m);\n\tans=power(ans,p-1,m);\n\t}\n//ans=(ans*ans1)%m;\n\tprintf(\"%lld\\n\",ans);\n\treturn 0;\n}", "src_uid": "6b9eff690fae14725885cbc891ff7243"}
{"source_code": "#include<stdio.h>\ntypedef long long unsigned llu;\ntypedef unsigned u;\nllu dicmal();\nint main()\n    {\n        llu x,y;\n        x=dicmal();\n\n\n        y=dicmal();\n\n        printf((x<y)?\"\\n<\":(x>y)?\"\\n>\":\"\\n=\");\n        return 0;\n    }\nllu dicmal()\n    {\n        llu r=0;\n        u x,bx,d;\n        scanf(\"%u%u\",&x,&bx);\n        for(;x>0;x--)\n        {\n            scanf(\"%u\",&d);\n            r=r*bx+d;\n        }\n\n        return r;\n    }\n", "src_uid": "d6ab5f75a7bee28f0af2bf168a0b2e67"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint\t\tfinder(int b, int g, int n)\n{\n\tint boys;\n\tint\tgirls;\n\tint\tcounter;\n\n\tboys = 0;\n\tcounter = 0;\n\twhile (boys <= b)\n\t{\n\t\tgirls = 0;\n\t\twhile (girls <= g)\n\t\t{\n\t\t\tif (girls == n - boys)\n\t\t\t{\n\t\t\t\tcounter++;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tgirls++;\n\t\t}\n\t\tboys++;\n\t}\n\treturn (counter);\n}\n\nint\t\tmain(void)\n{\n\tint\t\tb;\n\tint\t\tg;\n\tint\t\tn;\n\n\tscanf(\"%d\", &b);\n\tif (b < 1 || b > 300)\n\t\treturn (-1);\n\tscanf(\"%d\", &g);\n\tif (g < 1 || g > 300)\n\t\treturn (-1);\n\tscanf(\"%d\", &n);\n\tif (n < 1 || n > b + g)\n\t\treturn (-1);\n\tprintf(\"%d\", finder(b, g, n));\n\treturn (0);\n}\n", "src_uid": "9266a69e767df299569986151852e7b1"}
{"source_code": "#include <stdio.h>\n#include<stdlib.h>\n\nint main()\n{\n\tint n,m,k,a[105],b[105],min,i,j=-1,x;\n\n\tscanf(\"%d\",&n);\n\tscanf(\"%d\",&m);\n\tscanf(\"%d\",&k);\n\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t\tif(((a[i]/k)<1  || (a[i]==k))&& a[i]!=0)\n\t\t{\n\t\t\tj++;\n\t\t\tb[j]=i+1;\n\t\t}\n\n    }\n\n    min=abs(m-b[0]);\n\n    for(i=1;i<j+1;i++)\n    {\n    \tx=abs(m-b[i]);\n    \tif(x<min)\n    \t\tmin=x;\n    }\n\n    printf(\"%d\",min*10);\n\n\n\n}", "src_uid": "57860e9a5342a29257ce506063d37624"}
{"source_code": "#include <stdio.h>\nint repetition(int ara[6]){\n    int i,j,max=0, count;\n    for(i=0; i<6; i++){\n        count=0;\n        for(j=0; j<6; j++){\n            if(ara[j]==ara[i]) count++;\n        }\n        if(count>max)max=count;\n    }\n    return max;\n}\n\nint main(void){\n    int i,j,count=0;\n    int ara[6];\n    scanf(\"%d\", &ara[0]);\n    for(i=1; i<6; i++){\n        scanf(\"%d\", &ara[i]);\n        for(j=0; j<i; j++){\n            if(ara[j]==ara[i]){\n                count++;\n                break;\n            }\n        }\n    }\n    if(count==5) printf(\"Elephant\");\n    else if(count==4){\n        if(repetition(ara)==5) printf(\"Bear\");\n        else if(repetition(ara)==4) printf(\"Elephant\");\n        else printf(\"Alien\");\n    }\n    else if(count==3 && repetition(ara)==4) printf(\"Bear\");\n    else printf(\"Alien\");\n    return 0;\n}\n", "src_uid": "43308fa25e8578fd9f25328e715d4dd6"}
{"source_code": "\n#include <stdio.h>\n\nvoid quicksort( int *v , int inicio , int fin );\n\nint main(){\n\n    int n , i , temp;\n    scanf( \"%d\" , &n );\n    int v[ n ];\n\n    for( i = 0 ; i < n ; i++ )\n        scanf( \"%d\" , &v[ i ] );\n   \n    quicksort( v , 0 , n - 1 );\n\n    temp = v[ 0 ];\n    v[ 0 ] = v[ n - 1 ];\n    v[ n - 1 ] = temp;\n\n    for( i = 0 ; i < n ; i++ )\n        printf( \"%d \" , v[ i ] );\n\n    return 0;\n}\n\nvoid quicksort( int *v , int inicio , int fin ){\n\n\tint i , j , central;\n\tint pivote;\n\tint temp;\n\n\tcentral = ( inicio + fin ) / 2;\n\tpivote = v[ central ];\n\ti = inicio;\n\tj = fin;\n\n\tdo{\n\t\n\t\twhile( v[ i ] < pivote )\n\t\t\ti++;\n\n\t\twhile( v[ j ] > pivote )\n\t\t\tj--;\n\n\t\tif( i <= j ){\n\n\t\t\ttemp = v[ i ];\n\t\t\tv[ i ] = v[ j ];\n\t\t\tv[ j ] = temp;\n\t\t\ti++;\n\t\t\tj--;\n\n\t\t}\n\n\t}while( i <= j );\n\n\tif( inicio < j )\n\n\t\tquicksort( v , inicio , j );\n\t\n\tif( i < fin )\n\n\t\tquicksort( v , i , fin );\t\t\n\n}\n", "src_uid": "4408eba2c5c0693e6b70bdcbe2dda2f4"}
{"source_code": "#include <stdio.h>\r\n#include <string.h>\r\n\r\n#define MOD 998244353\r\n\r\nint main() {\r\n\tint n, m;\r\n\tscanf(\"%d%d\", &n, &m);\r\n\r\n\tstatic int c[10];\r\n\r\n\tfor (int i = 0; i < m; ++i) {\r\n\t\tint u, v;\r\n\t\tscanf(\"%d%d\", &u, &v);\r\n\t\tc[u] |= 1 << v;\r\n\t\tc[v] |= 1 << u;\r\n\t}\r\n\r\n\tfor (int u = 0; u < 10; ++u) {\r\n\t\tc[u] |= 1 << u;\r\n\t}\r\n\r\n\tstatic int dp[1024];\r\n\t\r\n\tfor (int u = 0; u < 10; ++u) {\r\n\t\tdp[1 << u] = 1;\r\n\t}\r\n\t\r\n\twhile (--n) {\r\n\t\tstatic int tmp[1024];\r\n\t\t\r\n\t\tmemset(tmp, 0, sizeof(tmp));\r\n\r\n\t\tfor (int i = 0; i < 1024; ++i) {\r\n\t\t\tfor (int x = 0; x < 10; ++x) {\r\n\t\t\t\tint j = i & c[x] | (1 << x);\r\n\t\t\t\tif (j & ((1 << x) - 1)) \r\n\t\t\t\t\tcontinue;\r\n\t\t\t\tif ((tmp[j] += dp[i]) >= MOD) \r\n\t\t\t\t\ttmp[j] -= MOD;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tmemcpy(dp, tmp, sizeof(dp));\r\n\t}\r\n\r\n\tint res = 0;\r\n\tfor (int i = 0; i < 1024; ++i) {\r\n\t\tif ((res += dp[i]) >= MOD) \r\n\t\t\tres -= MOD;\r\n\t}\r\n\r\n\tprintf(\"%d\\n\", res);\r\n}\r\n\r\n", "src_uid": "60955fc2caa6ec99c7dcc1da5d36b1f8"}
{"source_code": "#include <stdio.h>\nint main()\n{\n long long count=0,n,k;\n\nscanf(\"%lld %lld\",&n,&k);\nif(n>=k)\nn=k-1;\ncount=n-(k/2);\nif(count<=0)\ncount=0;\n\nprintf(\"%lld\",count);\nreturn 0;\n}//1000000000000 1000000000001\n   \n", "src_uid": "98624ab2fcd2a50a75788a29e04999ad"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tdouble a,  b, c;\n\tscanf(\"%lf%lf%lf\", &a, &b, &c);\n\tif(c==0)\n\t{\n\t\tif(a==b) printf(\"YES\\n\");\n\t\telse printf(\"NO\\n\");\n\t}\n\telse\n\t{\n\t\tdouble t=(((b-a)/c)+1);\n\t\tlong long x=t;\n\t//\tprintf(\"c=%lf\\n\", c);\n\t\tif((x==t)&&(x>0)) printf(\"YES\\n\");\n\t\telse printf(\"NO\\n\");\n\t}\n\n\treturn 0;\n}", "src_uid": "9edf42c20ddf22a251b84553d7305a7d"}
{"source_code": "#pragma region kyopuro_templates\n#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#include<string.h>\n#include<stdbool.h>\n#include<assert.h>\n#include<time.h>\n#include<ctype.h>\ntypedef long long ll;\ntypedef long double ld;\n#define rep(i,l,r)for(ll i=(l);i<(r);i++)\n#define repp(i,l,r,k)for(ll i=(l);i<(r);i+=(k))\n#define rrep(i,l,r)for(ll i=(l);i>=(r);i--)\n#define INF (1LL<<62)\n#define MOD1 1000000007\n#define MOD2 998244353\n#define MAX_N (1 << 20)\n#define YES printf(\"Yes\\n\")\n#define NO printf(\"No\\n\")\n#define PN printf(\"\\n\")\n#define charsize 100005 //10^5+5\n#define PI 3.141592653589793238\n\nvoid swap(ll *a, ll *b){ll c;c=*b;*b=*a;*a= c;}\nvoid cin(ll *n){ scanf(\"%lld\",&(*n)); }\nll max2(ll a,ll b){return a>=b?a:b;}\nll min2(ll a,ll b){return a>=b?b:a;}\nll min3(ll a, ll b, ll c){return (a<=b && a<=c) ? a : b<=c ? b : c;}\nll max3(ll a, ll b, ll c){return (a>=b && a>=c) ? a : b>=c ? b : c;}\nll minn(ll n, ll a[]){ll b=INF;rep(i,0,n) b=min2(b,a[i]);return b;}\nll maxn(ll n, ll a[]){ll b=-INF;rep(i,0,n) b=max2(b,a[i]);return b;}\nll POW(ll a, ll b){ll c=1;rep(i,0,b) c*=a;return c;}\ndouble POW_d(double a, double b){double c=1;rep(i,0,b) c*=a;return c;}\nll gcd(ll a,ll b){return b?gcd(b,a%b):a;}\nll lcm(ll a,ll b){return a/gcd(a,b)*b;}\nll mod_MOD1(ll n){n+= n<0?((-n)/MOD1+1)*MOD1:0; return n%=MOD1;}\nll mod_p(ll n ,ll p){n+= n<0?((-n)/p+1)*p:0; return n%=p;}\nll change_into_num(char s[] , ll len, ll p){ return !p ? 0 : POW(10,p-1)*(s[len-p]-'0') + change_into_num(s,len,p-1); }\nll digits(ll a, ll b){return a/b?1+digits(a/b,b):1;}\nll base(ll n, ll a, ll i){return i==1?n%a:base(n/a,a,i-1);}\nll is_inArr1(ll x, ll n){ return ( x<0 || x>=n ) ? 0 : 1 ; }\nll is_inArr2(ll y, ll x, ll h, ll w){ return ( y<0 || y>=h || x<0 || x>=w ) ? 0 : 1 ; }\n\n\nvoid lr_lower( int *l, int *r, ll am, ll val , int type ){ (type<3) ? ( am < val ?  ( *l = (*l+*r)/2 ) : ( *r= (*l+*r)/2 ) ) : ( am <= val ? ( *l = (*l+*r)/2 ) : ( *r= (*l+*r)/2 ) ); }\nvoid lr_upper( int *l, int *r, ll am, ll val , int type ){ (type<3) ? ( am <= val ?  ( *l = (*l+*r)/2 ) : ( *r= (*l+*r)/2 ) ) : ( am < val ? ( *l = (*l+*r)/2 ) : ( *r= (*l+*r)/2 ) ); }\nint cmp_lower( ll a, ll b, int type ){ return (type==1) ? ( a==b ? 1 : 0 ) : (type==2) ? ( a>=b ? 1 : 0 ) : ( a>b ? 1 : 0 ) ; }\nint cmp_upper( ll a, ll b, int type ){ return (type==1) ? ( a==b ? 1 : 0 ) : (type==2) ? ( a<=b ? 1 : 0 ) : ( a<b ? 1 : 0 ) ; }\n// return smallest p  which meets  a[p]==val :1  >=:2   >:3\nll lower_bound( ll a[], int l, int r, ll val , int type ){  while(r-l>1) lr_lower(&l,&r,a[ (l+r)/2 ],val,type);  return cmp_lower(a[l],val,type) ? l : cmp_lower(a[r],val,type) ? r : -1;  }\n// return biggest p  which meets   a[p]==val :1  <=:2   <:3\nll upper_bound( ll a[], int l, int r, ll val , int type ){  while(r-l>1) lr_upper(&l,&r,a[ (l+r)/2 ],val,type); return cmp_upper(a[r],val,type) ? r : cmp_upper(a[l],val,type) ? l : -1; }\n// count i  which meets ai==x\nll count(ll a[], int l, int r, ll x){  int p = lower_bound(a,l,r,x,1);  return p==-1 ? 0 : upper_bound(a,p,r,x,1)-p+1; }\n\nll *factors[2] , fac_cnt=0 , is_factor_prepared=0;\nll factor_pre(){  rep(i,0,1){ if(is_factor_prepared++) return 0; }  ll tmp=(1e6)/2+1, fac_tmp[tmp];  rep(i,0,tmp){fac_tmp[i]=i?2*i+1:2;}  rep(i,1,tmp){if(fac_tmp[i]){  repp(j,3,tmp/(2*i+1)+1,2 ){  if( j*(2*i+1)<tmp ) fac_tmp[ (j*(2*i+1)-1)/2 ]=0;  }  }else continue;}  rep(i,0,tmp){if(fac_tmp[i]){  rep(j,0,2){ factors[j] = realloc( factors[j] , sizeof(ll)*( fac_cnt +1 ) );  factors[j][j?fac_cnt++:fac_cnt]=j?0:fac_tmp[i];  }  } }  return 0;  }\nll factor(ll n, ll new_common_plus){ factor_pre();  rep(i,0,fac_cnt){ ll cnt=0; rep(j,0,1){ while( ( cnt+= n %factors[0][i]==0 ? 1 : 0 )  && (n/=factors[0][i]) %factors[0][i]==0 ) continue; } factors[1][i]= new_common_plus==1 ? cnt :  new_common_plus==2 ? max2(factors[1][i],cnt) : factors[1][i]+cnt ;  if( factors[0][i]> n ) break; } return n; }\nll judge_prime(ll n){ factor_pre(); rep(i,0,fac_cnt){ if(n<factors[0][i]*factors[0][i] || n==factors[0][i]) break; else if(n%factors[0][i]==0) n/=n; }  return n==1?0:1; }\n\nll *mf_arr,*inv_arr,*finv_arr,is_minv_made=0,is_mf_made=0,num_of_inv=2*1e6+10;\nll makeinv(ll n , ll mod){  rep(i,0,1){if(is_minv_made++) return 0;}  inv_arr = realloc(inv_arr, sizeof(ll)*2 );  finv_arr = realloc(finv_arr, sizeof(ll)*2 );  inv_arr[1]=1;finv_arr[0]=finv_arr[1]=1;  rep(i,2,n+1){  inv_arr = realloc(inv_arr, sizeof(ll)*(i+1) );  finv_arr = realloc(finv_arr, sizeof(ll)*(i+1) );  inv_arr[i]= mod - inv_arr[mod%i] * (mod / i) % mod;  finv_arr[i] = finv_arr[i - 1] * inv_arr[i] % mod;  }  return 0; }\nll make_mf(ll n, ll mod){  rep(i,0,1){ if(is_mf_made++) return 0; }  mf_arr = realloc(mf_arr, sizeof(ll)*2 );  ll x=1;  mf_arr[0]=mf_arr[1]=x;  rep(i,2,n+1){   x=x*i%mod;  mf_arr = realloc(mf_arr, sizeof(ll)*(i+1) );  mf_arr[i]=x; }  return 0;  }\nll m_inv(ll x, ll mod, ll is_fac ){ makeinv(num_of_inv,mod);  return is_fac?finv_arr[x]:inv_arr[x]; }\nll m_f(ll x, ll mod){  make_mf(num_of_inv,mod);  return mf_arr[x];  }\nll mod_nck(ll n, ll k, ll mod){ return m_f(n,mod)*m_inv(k,mod,1)%mod*m_inv(n-k,mod,1)%mod; }\nll m_p(ll r,ll n,ll mod){  ll t=1,s=r;  while(n>0){ t = (n&1) ? t*s%mod : t;  s=s*s%mod; n>>=1; }  return r?t:0;  }\nll m_mul2(ll a, ll b, ll mod){ return a*b%mod; }\nll m_mul3(ll a, ll b, ll c, ll mod){ return m_mul2(a*b%mod,c,mod); }\nll m_mul4(ll a, ll b, ll c, ll d, ll mod){ return m_mul3(a*b%mod,c,d,mod); }\nll m_mul5(ll a, ll b, ll c, ll d, ll e, ll mod){ return m_mul4(a*b%mod,c,d,e,mod); }\n\nint upll(const void*a, const void*b){return*(ll*)a<*(ll*)b?-1:*(ll*)a>*(ll*)b?1:0;}\nint downll(const void*a, const void*b){return*(ll*)a<*(ll*)b?1:*(ll*)a>*(ll*)b?-1:0;}\nint cmp_string( const void * a , const void * b ) {  return strcmp( (char *)a , (char *)b ); }  // qsort((void*)s,n,sizeof(s[0]),int_sort );\nint cmp_char(const void * a, const void * b) { return *(char *)a - *(char *)b;}\nvoid sortup(ll*a,int n){qsort(a,n,sizeof(ll),upll);}\nvoid sortdown(ll*a,int n){qsort(a,n,sizeof(ll),downll);}\nvoid sort_string(int n,int size,char s[][size]){ qsort( (void*)s , n , sizeof(s[0]) , cmp_string ); }\nvoid sort_char(char *s){ qsort( (void *)s , strlen(s) , sizeof(char) , cmp_char ); }\nll unique_string(ll n ,ll size, char s[][size]){ ll ans=1; rep(i,1,n) if( strcmp(s[i],s[i-1]) ) ans++; return ans; }\nll unique_num(ll n , ll a[]){ ll ans=1; rep(i,1,n) if( a[i]!=a[i-1] ) ans++; return ans; }\n\n\ntypedef struct{ ll a , b,c;}fr;\nint cmp1( const void *p, const void *q ) { return ((fr*)p) ->b - ((fr*)q)->b;}\nint cmp2( const void *p, const void *q ) { return ((fr*)q) ->a - ((fr*)p)->a;}\nvoid strsortup(fr*a,int n){qsort(a,n,sizeof(fr),cmp1);}\nvoid strsortdown(fr*a,int n){qsort(a,n,sizeof(fr),cmp2);}\nvoid swap_struct( fr* p, fr* q ){\n    fr r;\n    r=*p;\n    *p=*q;\n    *q=r;\n}\n\n#pragma region AVL\n/*---------------------------AVL start--------------------------------*/\n//https://qiita.com/mikecat_mixc/items/e9f8248de2ae7f7a0a29\ntypedef struct node_AVL_set{  \n    ll val;\n    int diff;\n    int cnt;\n    struct node_AVL_set *child[2];\n}AVL_set;\nvoid AVL_set_inside_rotate(AVL_set **node, int is_right){\n    int l = is_right==false , r = is_right==true , sign = is_right ? 1 : -1;\n    if((*node)->child[l] != NULL){\n        AVL_set* left = (*node)->child[l];\n        int a= (*node)->diff * sign , b= left->diff * sign ,na,nb;\n        if(b+1){\n            na=a-1-b;\n            nb= (a-b) ? b-1 : a-2;\n        }else{\n            na=a-1;\n            nb= a ? b-1 : a+b-2;\n        }\n        (*node)->diff = na * sign;\n        left->diff = nb * sign;\n        /* rotate-> */\n        (*node)->child[l] = (*node)->child[l]->child[r];\n        left->child[r] = *node;\n        *node = left;\n    }\n}\nint AVL_set_inside_update(AVL_set **node, ll data, int add){\n    if(*node == NULL){\n        if(add==2){\n            *node = malloc(sizeof(AVL_set));\n            (*node)->val = data;\n            (*node)->cnt = 1;\n            (*node)->diff = 0;\n            (*node)->child[0] = NULL;\n            (*node)->child[1] = NULL;\n        }\n        return add==2 ? *node != NULL : 0; \n    }else{\n        int l, delta, delta_sign; AVL_set *next_node;\n        if(data == (*node)->val){\n            if(add==2){\n                (*node)->cnt++;\n                return 0;\n            }else{\n                if( add && (*node)->cnt > 1 ){\n                    (*node)->cnt--; return 0;\n                }else{\n                    if((*node)->child[1] == NULL){\n                        next_node = (*node)->child[0];\n                        free(*node);\n                        *node = next_node;\n                        return -1;\n                    }else if((*node)->child[0] == NULL){\n                        next_node = (*node)->child[1];\n                        free(*node);\n                        *node = next_node;\n                        return -1;\n                    }else{\n                        for(next_node = (*node)->child[0];\n                        next_node->child[1] != NULL;\n                        next_node = next_node->child[1]);\n                        (*node)->val = next_node->val;\n                        l=0;\n                        delta_sign=1;\n                        delta = AVL_set_inside_update(&(*node)->child[l], next_node->val, add);\n                    }\n                }\n            }\n        }else{\n            l = data >= (*node)->val ? 1 : 0;\n            delta_sign = data < (*node)->val ? 1 : -1;\n            delta = AVL_set_inside_update(&(*node)->child[l], data, add);\n        }\n        if( delta ){\n            int orig_diff = (*node)->diff;\n            int do_rotate = 0, rotate_l , diff_sign , rotate_right;\n            (*node)->diff += delta * delta_sign;\n            if((*node)->diff > 1){\n                do_rotate = 1;\n                rotate_l = 0;\n                diff_sign = 1;\n                rotate_right = 1;\n            }else if((*node)->diff < -1){\n                do_rotate = 1;\n                rotate_l = 1;\n                diff_sign = -1;\n                rotate_right = 0;\n            }\n            if(do_rotate){\n                int child_diff = (*node)->child[rotate_l]->diff;\n                if((*node)->child[rotate_l]->diff * diff_sign < 0){\n                    AVL_set_inside_rotate(&(*node)->child[rotate_l], !rotate_right);\n                }\n                AVL_set_inside_rotate(node, rotate_right);\n                return delta < 0 && child_diff != 0 ? -1 : 0;\n            }\n            if     (delta > 0 && orig_diff == 0) return 1;\n            else if(delta < 0 && orig_diff != 0) return -1;\n            else                                 return 0;\n        }else{ \n            return 0;\n        }\n    }\n}\n\nvoid AVL_set_inside_print(const AVL_set *node, int depth){\n    if(node == NULL) return;\n    AVL_set_inside_print(node->child[1], depth + 1);\n    printf(\"%lld %d\\n\", node->val,node->cnt);\n    AVL_set_inside_print(node->child[0], depth + 1);    \n}\nvoid AVL_set_inside_free(AVL_set *node){\n    if(node == NULL) return;\n    AVL_set_inside_free(node->child[0]);\n    AVL_set_inside_free(node->child[1]);\n    free(node);\n}\nll AVL_set_inside_count(AVL_set *root, ll val){\n    AVL_set *node; node = root;\n    while(node){\n        if     (val < node->val) node = node->child[0];\n        else if(val > node->val) node = node->child[1];\n        else                     return node->cnt;\n    }\n    return 0;\n}\nll AVL_set_inside_minmax(AVL_set *root, int type){\n    while(root->child[type] !=NULL)  root= root->child[type];\n    return root->val;\n}\nvoid AVL_set_inside_swap(AVL_set **node1, AVL_set **node2){  \n    AVL_set *tmp;  tmp=*node1; *node1=*node2; *node2=tmp;\n}\n\n#define set_MAX_SIZE 514511\nll set_main( int command , int set_num , ll val ){\n    static bool set_is_init=false;\n    static AVL_set *set_pointer[set_MAX_SIZE];\n    static ll set_siz[set_MAX_SIZE];\n    if(!set_is_init){ set_is_init=true; rep(i,0,set_MAX_SIZE){ *(set_pointer+i) = NULL; set_siz[i]=0; } }\n    if(command==-1){ AVL_set_inside_print( set_pointer[set_num] ,0); }\n    if(command==1){ AVL_set_inside_count(set_pointer[set_num],val) ? 1 : set_siz[set_num]++;  AVL_set_inside_update( &set_pointer[set_num] , val , 2 ); }\n    if(command==2){ return AVL_set_inside_count(set_pointer[set_num],val); }\n    if(command==3){ ( AVL_set_inside_count(set_pointer[set_num],val) > 1 ) ? 1 : set_siz[set_num]--;  AVL_set_inside_update( &set_pointer[set_num] , val,1); }\n    if(command==4){ set_siz[set_num]--; AVL_set_inside_update( &set_pointer[set_num] , val , 0 ); }\n    if(command==5){ set_siz[set_num]=0; AVL_set_inside_free( set_pointer[set_num] ); set_pointer[set_num] = NULL; }\n    if(command==6){ return set_siz[set_num]; }\n    if(command==7){ return AVL_set_inside_minmax(set_pointer[set_num],1); }\n    if(command==8){ return AVL_set_inside_minmax(set_pointer[set_num],0); }\n    if(command==9){ AVL_set_inside_swap(&set_pointer[set_num],&set_pointer[val]); }\n    return 0;\n}\n\nvoid set_print(int set_num){ set_main(-1,set_num,0); }\nvoid set_insert(int set_num, ll val){ set_main(1,set_num,val); }\nll set_count(int set_num, ll val){ return set_main(2,set_num,val); }\nvoid set_erase(int set_num, ll val, int is_all){ if(is_all) set_main(4,set_num,val); else set_main(3,set_num,val); }\nvoid set_clear(int set_num){ set_main(5,set_num,0); }\nll set_size(int set_num){ return set_main(6,set_num,0); }\nll set_max(int set_num){ return set_main(7,set_num,0); }\nll set_min(int set_num){ return set_main(8,set_num,0); }\nvoid set_swap(ll set_num1, ll set_num2){ set_main(9,set_num1,set_num2); }\n\n/*\ninsert *\nsize *\nclear *\nerase *\ncount *\nmax *\nmin *\nswap *\nbegin\nend\nmerge  source の要素のキーと等価なキーの要素がある場合、その要素は source から抽出されない\nlower_bound\nupper_bound\n*/\n\n// ll map_main()\n\n/*---------------------------AVL start--------------------------------*/\n\n#pragma endregion AVL\n\n\n\n#pragma endregion kyopuro_templates\n\n\n\n\n\n\n\n\n\n\n\n\n\nchar s[1151154];\n// char t[1151154];\nll ans[115115];\nvoid solve(){\n    // fgets(s,sizeof(s),stdin); \n    ll n;\n    // ll ans=0;\n    cin(&n);\n    scanf(\"%s\",s);\n    fr aa[n];\n    rep(i,0,n){\n        aa[i].a = s[i]-'a';\n        aa[i].b=i;\n        aa[i].c=-1;\n    }\n    ll t[n];\n    rep(i,0,n){t[i]=aa[i].a;}\n    rep(i,0,n){ans[i]=-1;}\n    sortup(t,n);\n    // rep(i,0,n){printf(\"%lld\",t[i]);}PN;\n    rep(i,0,n){\n        // rep(i,0,n){\n        //     printf(\"%2lld\",aa[i].a);\n        // }PN;\n        // rep(i,0,n){\n        //     printf(\"%2lld\",aa[i].c);\n        // }PN; PN;\n        if(t[i]!=aa[i].a){\n            ll tmp=-1;\n            if(aa[i].c!=-1){\n                tmp=aa[i].c;\n            }\n            rep(j,i+1,n){\n                if(t[i]==aa[j].a){\n                    // printf(\"%lld %lld\\n\",i,j);\n                    if(tmp==-1){\n                        if(aa[j].c==-1){\n                            tmp=0;\n                            aa[j].c=1;\n                        }else{\n                            tmp=aa[j].c^1;\n                        }\n                        rep(k,i,j){\n                            aa[k].c=tmp;\n                        }\n                    }else{\n                        if(aa[j].c==tmp){\n                            printf(\"NO\\n\"); return;\n                        }else{\n                            aa[j].c=tmp^1;\n                        }\n                        rep(k,i,j){\n                            aa[k].c=tmp;\n                        }\n                    }\n                    rrep(k,j-1,i){\n                        swap_struct(&aa[k],&aa[k+1]);\n                    }\n                    break;\n                    // s[j]=s[i];\n                    // s[i]=t[i];\n                }else{\n                    if(aa[j].c==-1){\n                        aa[j].c=tmp;\n                    }else{\n                        if(tmp==-1){\n                            tmp=aa[j].c;\n                        }else{\n                            if(tmp!=aa[j].c){\n                                printf(\"NO\\n\"); return;\n                            }\n                        }\n                    }\n                }\n            }\n        }else{\n            if(aa[i].c==-1){\n                aa[i].c=0;            \n            }\n        }\n    }\n    strsortup(aa,n);\n    printf(\"YES\\n\");\n    rep(i,0,n){\n        printf(\"%lld\",aa[i].c);\n    }PN;\n}\n\nint main(void){\n    ll T=1;\n    // cin(&T);\n    rep(i,0,T){ solve(); }\n    return 0;\n}\n\n\n/*\n    while (ng + 1 < ok) {\n        int p = ng + (ok - ng) / 2;\n        int cnt = 0;\n        for (i = 0; i < n; i++) {\n            cnt += (a[i] + p - 1) / p - 1;\n        }\n        if (cnt <= k) ok = p; else ng = p;\n    }\n*/\n// 10^18 2^60 3^38 5^26\n", "src_uid": "9bd31827cda83eacfcf5e46cdeaabe2b"}
{"source_code": "#include <stdio.h>\n\nint main() {\n\tint n, m, p[] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47}, i;\n\tscanf(\"%d %d\", &n, &m);\n\tfor (i = 0; p[i] != n; i++);\n\tprintf (\"%s\", (p[i+1] == m ? \"YES\" : \"NO\"));\n\treturn 0;\n}\n", "src_uid": "9d52ff51d747bb59aa463b6358258865"}
{"source_code": "/* https://codeforces.com/contest/819/submission/28105538 (Dukkha) */\n#include <stdio.h>\n#include <string.h>\n\n#define AB\t24\n#define N\t(AB * 4)\n\nint count(int *cc, int l, int r) {\n\tstatic char used[AB];\n\tint i, cnt;\n\n\tmemset(used, 0, sizeof used);\n\tcnt = 0;\n\tfor (i = l; i <= r; i++)\n\t\tif (!used[cc[i]]) {\n\t\t\tused[cc[i]] = 1;\n\t\t\tcnt++;\n\t\t}\n\treturn cnt;\n}\n\nint main() {\n\tstatic int cc[N];\n\tint a, b, ab, d, l, r, m, k0, k1, k2, k3, k, h, min;\n\n\tscanf(\"%d%d%d%d\", &a, &b, &l, &r);\n\tl--, r--;\n\tab = a + b;\n\tm = 4;\n\th = l / ab;\n\tr -= h * ab;\n\tl -= h * ab;\n\th = (r - l + 1) / ab;\n\tif (h > 2)\n\t\tr -= (h - 2) * ab;\n\td = a > b ? a - b : 1;\n\tfor (h = 0; h < m; h++) {\n\t\tfor (k = 0; k < a - d; k++)\n\t\t\tcc[h * ab + k] = k;\n\t\tfor (k = 0; k < d; k++)\n\t\t\tcc[h * ab + a - d + k] = h % 2 == 0 ? a - d + k : a + k;\n\t}\n\tmin = a + a;\n\tfor (k0 = 1; k0 <= d; k0++) {\n\t\tfor (k = 0; k < b; k++)\n\t\t\tcc[ab * 0 + a + k] = cc[ab * 0 + a - k0];\n\t\tfor (k1 = 1; k1 <= d; k1++) {\n\t\t\tfor (k = 0; k < b; k++)\n\t\t\t\tcc[ab * 1 + a + k] = cc[ab * 1 + a - k1];\n\t\t\tfor (k2 = 1; k2 <= d; k2++) {\n\t\t\t\tfor (k = 0; k < b; k++)\n\t\t\t\t\tcc[ab * 2 + a + k] = cc[ab * 2 + a - k2];\n\t\t\t\tfor (k3 = 1; k3 <= d; k3++) {\n\t\t\t\t\tint cnt;\n\n\t\t\t\t\tfor (k = 0; k < b; k++)\n\t\t\t\t\t\tcc[ab * 3 + a + k] = cc[ab * 3 + a - k3];\n\t\t\t\t\tif (min > (cnt = count(cc, l, r)))\n\t\t\t\t\t\tmin = cnt;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tprintf(\"%d\\n\", min);\n\treturn 0;\n}\n", "src_uid": "d055b2a594ae7788ecafb3ef80f246ec"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#include<math.h>\n#include<memory.h>\n#include<assert.h>\n#include<ctype.h>\n\ntypedef long long ll;\n\n#define max(a,b) (((a)>(b))?(a):(b))\n#define min(a,b) (((a)<(b))?(a):(b))\n#define abs(k) (((k)>0)?(k):(-(k)))\nint modint(int a,int b) {return(((a)>=0)?((a)-(b)*((a)/(b))):((a)-(b)*((a)/(b)+1)));}\nll modll(ll a,ll b) {return(((a)>=0)?((a)-(b)*((a)/(b))):((a)-(b)*((a)/(b)+1)));}\n#define mod(a,b) a=modint(a,b)\n#define llmod(a,b) a=modll(a,b)\n#define mset(a) memset(a,0,sizeof(a))\n#define mcpy(a,b) memcpy(a,b,sizeof(a))\n#define inf (1e9)\n#define linf (1e18)\n#define pi 3.14159265358979323846\n\nvoid fileio_in_out()\n{\n     freopen(\".in\",\"r\",stdin);\n     freopen(\".out\",\"w\",stdout);\n}\n\nvoid fileio_txt()\n{\n     freopen(\"input.txt\",\"r\",stdin);\n     freopen(\"output.txt\",\"w\",stdout);\n}\n\n//==================================================\n\n#define modnum (inf+9)\n\nint n,h,x,y,z,ww,xx,yy,zz;\nint i,j,k,l;\nll dp[33][33][33][2][2],ans=0,t;\n\nint main()\n{\n    //fileio_in_out();\n    //fileio_txt();\n    \n    scanf(\"%d%d\",&n,&h);\n    \n    mset(dp);\n    dp[0][0][0][0][1]=1;\n    for(k=0;k<n;k++)\n      for(x=0;x<=h;x++)\n        for(y=0;y<=h;y++)\n          for(z=0;z<=h;z++)\n            for(j=0;j<=1;j++)\n              {\n                i=k%2;\n                t=dp[x][y][z][i][j];\n                llmod(t,modnum);\n                dp[x][y][z][i][j]=0;\n                \n                i^=1;\n                xx=min(x+1,h);\n                yy=min(y+1,h);\n                zz=min(z+1,h);\n                ww=j?1:h;\n                \n                dp[xx][yy][zz][i][j]+=t;\n                dp[yy][zz][ww][i][(x<h)]+=t;\n                dp[xx][zz][ww][i][(y<h)]+=t;\n                dp[xx][yy][ww][i][(z<h)]+=t;\n              }\n    \n    i=n%2;\n    for(x=0;x<=h;x++)\n      for(y=0;y<=h;y++)\n        for(z=0;z<=h;z++)\n          for(j=0;j<=1;j++)\n            if(x<h||y<h||z<h||j)\n              {\n                ans+=dp[x][y][z][i][j];\n                llmod(ans,modnum);\n              }\n    \n    printf(\"%I64d\\n\",ans);\n    \n    //system(\"pause\");\n    return 0;\n}\n", "src_uid": "9fe9658db35076c0bddc8b7ddce11013"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <conio.h>\n#include <string.h>\n#include <ctype.h>\n\n\ntypedef long long bigint;\n\nint main()\n{\n    bigint n;\n    scanf(\"%I64d\", &n);\n    if(n == 0){\n        printf(\"0\\n\");\n        return 0;\n    }\n    if(n % 2 == 0) printf(\"%I64d\\n\", n+1);\n    else printf(\"%I64d\\n\", (n+1)/2);\n\n    return 0;\n}", "src_uid": "236177ff30dafe68295b5d33dc501828"}
{"source_code": "#include <stdio.h>\n\n#define BARCNT 50\n\nint nb, tl, kb[BARCNT], sb[BARCNT], st;\n\nvoid read(void)\n{\n    int n;\n    \n    scanf(\"%d %d\", &nb, &tl);\n    for (n = 0; n < nb; ++n)\n        scanf(\"%d\", &kb[n]);\n    for (n = 0; n < nb; ++n)\n        scanf(\"%d\", &sb[n]);\n}\n\nvoid exec(void)\n{\n    int n, m, kd[BARCNT], sd[BARCNT];\n    \n    for (n = 0; n < nb - 1; ++n)\n        kd[n] = kb[n + 1] - kb[n], sd[n] = sb[n + 1] - sb[n];\n    kd[nb-1] = tl - (kb[nb-1] - kb[0]), sd[nb-1] = tl - (sb[nb-1] - sb[0]);\n    for (m = 0, n = 0; n < nb && m < nb; ++n)\n        for (m = 0; m < nb; ++m)\n            if (kd[(n + m) % nb] != sd[m])\n                break;\n    st = (m == nb);\n}\n\nvoid write(void)\n{\n    printf(\"%s\\n\", st ? \"YES\" : \"NO\");\n}\n\nint main(void)\n{\n    read();\n    exec();\n    write();\n    return 0;\n}\n", "src_uid": "3d931684ca11fe6141c6461e85d91d63"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n\tint n;\n\tscanf(\"%d\", &n);\n\tint sum = 0;\n\tfor (int i = 2; i <= n - 1; i++)\n\t{\n\t\tsum += i * (i + 1);\n\t}\n\tprintf(\"%d\", sum);\n}\n", "src_uid": "1bd29d7a8793c22e81a1f6fd3991307a"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint isprime(long long n)\n{\n int i;\n for(i=2;i<=sqrt(n);i++)\n {\n if(n%i==0)\n return 0;\n }\n return 1;\n}\nint main()\n{\nlong long n,i;\nscanf(\"%lld\",&n);\nif(isprime(n)==1)\nprintf(\"1\\n%lld\",n);\nelse\n{\n printf(\"3\\n\");\n n=n-3;\n for(i=3;i<=n;i=i+2)\n {\n if(isprime(i)==1 && isprime(n-i)==1)\n {\n printf(\"3 %lld %lld\",i,n-i);\n break;\n }\n }\n}\n}\n", "src_uid": "f2aaa149ce81bf332d0b5d80b2a13bc3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a1,a2,k1,k2,n;\n    int b1,b2;\n    scanf(\"%d\",&a1);\n    scanf(\"%d\",&a2);\n    scanf(\"%d\",&k1);\n    scanf(\"%d\",&k2);\n    scanf(\"%d\",&n);\n    int max=k1>k2?k1:k2;\n    if(max==k1)\n    {\n        b1=a1;\n    }\n    else{\n        b1=a2;\n    }\n    int min=k1>k2?k2:k1;\n    if(min==k1)\n    {\n        b2=a1;\n    }\n    else{\n        b2=a2;\n    }\n    int yu=n-a1*(k1-1)-a2*(k2-1);\n    if(yu>0)\n    {\n        printf(\"%d \",yu<a1+a2?yu:a1+a2);\n    }\n    else\n    {\n        printf(\"0 \");\n    }\n    yu=n-b2*min;\n    if(yu>0)\n    {\n        printf(\"%d\",b2+yu/max);\n    }\n    else{\n        printf(\"%d\",n/min);\n    }\n\n    return 0;\n}\n", "src_uid": "2be8e0b8ad4d3de2930576c0209e8b91"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n    char f[10], m[10], s[10];\n    int flag = 0;\n    scanf(\"%s%s%s\", f, m, s);\n    if (strcmp(f, m) == 0)\n    {\n        if ((strcmp(s, \"scissors\") == 0 && strcmp(f, \"paper\") == 0) || (strcmp(s, \"paper\") == 0 && strcmp(f, \"rock\") == 0) || (strcmp(s, \"rock\") == 0 && strcmp(f, \"scissors\") == 0))\n        {\n            printf(\"S\");\n            flag = 1;\n        }\n    }\n    if (strcmp(f, s) == 0)\n    {\n        if ((strcmp(m, \"scissors\") == 0 && strcmp(f, \"paper\") == 0) || (strcmp(m, \"paper\") == 0 && strcmp(f, \"rock\") == 0) || (strcmp(m, \"rock\") == 0 && strcmp(f, \"scissors\") == 0))\n        {\n            printf(\"M\");\n            flag = 1;\n        }\n    }\n    if (strcmp(s, m) == 0)\n    {\n        if ((strcmp(f, \"scissors\") == 0 && strcmp(s, \"paper\") == 0) || (strcmp(f, \"paper\") == 0 && strcmp(s, \"rock\") == 0) || (strcmp(f, \"rock\") == 0 && strcmp(s, \"scissors\") == 0))\n        {\n            printf(\"F\");\n            flag = 1;\n        }\n    }\n    if (!flag)\n    {\n        printf(\"?\");\n    }\n\n    return 0;\n}", "src_uid": "072c7d29a1b338609a72ab6b73988282"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    char a[101];\n    scanf(\"%s\",a);\n    int i,c=1,ans=0;\n    for(i=0;a[i+1]!='\\0';i++,c++)\n        {\n            if(a[i+1]!=a[i])\n            {\n                if(c%2==0)\n                    ans++;\n                    c=0;\n            }\n        }\n        if(c%2==0) ans++;\n        printf(\"%d\",ans);\n    return 0;\n}\n", "src_uid": "8b26ca1ca2b28166c3d25dceb1f3d49f"}
{"source_code": "#include \"stdbool.h\"\n#include \"stdio.h\"\n#include \"stdint.h\"\n#include \"string.h\"\n#include \"ctype.h\"\n#include \"stdlib.h\"\n#include \"math.h\"\n\n#define PI 3.14159265358979323846264338327950288\n#define ll long long\n#define MOD 1000000007\n#define N 1000010\n#define MAX1 1000001\n#define rep(i,n) for (int i=0; i<n; i++)\n#define mul(a,b) ((a*b) % MOD)\n\nint max(int a,int b) {return a>b?a:b;}\nint min(int a,int b) {return a<b?a:b;}\nll minl(ll a,ll b) {return a<b?a:b;}\nll maxl(ll a,ll b) {return a>b?a:b;}\n\n\nll n, k, prime[N], v[N], m;\n\n// euler function\nll f(ll n) {\n    if (n == 1) return 1;\n    ll s = n;\n    for (int i=0; i<m && prime[i]*prime[i]<=n; i++) {\n        if (n % prime[i]) continue;\n        s = s/prime[i]*(prime[i]-1);\n        while (!(n % prime[i])) n /= prime[i];\n    }\n    if (n > 1) s = s/n*(n-1);\n    return s;\n}\n\nll F(ll k, ll n) {\n    ll s = n;\n    while (k>0 && s>1) s = f(s), k-=2;\n    return s;\n}\n\n\nvoid primes(int n) {\n    for (int i = 2; i <= n; i++) {\n        if (!v[i]) {\n            v[i] = i;\n            prime[m++] = i;\n        }\n        for (int j = 0; j < m; j++) {\n            if (prime[j] > v[i] || prime[j]*i > n) break;\n            v[i * prime[j]] = prime[j];\n        }\n    }\n}\n\nint main() {\n    scanf(\"%lld %lld\", &n, &k);\n    primes((int) sqrtl(n)+1);\n    printf(\"%lld\\n\", F(k, n) % MOD);\n}\n", "src_uid": "0591ade5f9a69afcbecd80402493f975"}
{"source_code": "#include<stdio.h>\n\nint result(int n)\n{\n    if(n==1)\n        return 1;\n    int max_count = 0;\n    for(int i=2; i<=n; i++)\n    {\n        if(n % i == 0)\n        {\n            int count = result(n/i);\n            if(count > max_count)\n            {\n                max_count = count;\n            }\n        }\n    }\n\n    return n + max_count;\n}\n\nint main()\n{\n    int n;\n    scanf(\"%d\", &n);\n\n    printf(\"%d\\n\", result(n));\n    return 0;\n}\n", "src_uid": "821c0e3b5fad197a47878bba5e520b6e"}
{"source_code": "#include <stdio.h>\n\n\nint main(){\n    int n,p,q;\n    scanf(\"%i\",&n);\n    if (n%2==0){\n        p=(n-2)/2;\n        q=(n+2)/2;\n        if(p%2==0&&q%2==0){\n            p--;\n            q++;\n        }\n    }\n    else{\n        p=(n-1)/2;\n        q=(n+1)/2;\n        if(p%2==0&&q%2==0){\n            p--;\n            q++;\n        }\n    }\n    printf(\"%i %i\",p,q);\n}", "src_uid": "0af3515ed98d9d01ce00546333e98e77"}
{"source_code": "#include<stdio.h>\nint f(int x)\n{\n\tint sum=0;\n\twhile(x > 0){\n\t\tsum += x%10;\n\t\tx = x/10;\n\t}\n        return sum;\n}\nint main()\n{\n\tint i,n,k,t,a[250];\n\twhile(scanf(\"%d\",&n)!=EOF)\n\t{\n\t\tk=-1;\n\t\tt=0>(n-100)?0:(n-100);\n\t\tfor(i=n;i>t;i--)\n\t\t{\n\t\t\tif( (f(i)+i)==n )\n\t\t\t{\n\t\t\t\t++k;\n\t\t\t\ta[k]=i;\n\t\t\t}\n\t\t}\n\t\t\n\t\tif(k==-1)\n\t\t\tprintf(\"0\\n\");\n\t\telse\n\t\t{\n\t\t\tprintf(\"%d\\n\",k+1);\n\t\t\t\t\n\t\t\tfor(i=k;i>-1;i--)\n\t\t\t{\n\t\t\t\t\tprintf(\"%d\\n\",a[i]);\n\t\t\t}\n\t\t} \n\t}\n\treturn 0;\n}\n", "src_uid": "ae20ae2a16273a0d379932d6e973f878"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int a,b;\n    scanf(\"%d %d\",&a,&b);\n    if(b==0) printf(\"1\\n\");\n    else if(b<=(a/2)) printf(\"%d\\n\",b);\n    else printf(\"%d\\n\",a-b);\n    return 0;\n}\n", "src_uid": "c05d0a9cabe04d8fb48c76d2ce033648"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\ntypedef long long ll;\n\nint dp[10];\nint c[10];\n\nconst int mod = 1000000007;\n\nint recur1(int idx) {\n  if (dp[idx] != -1) {\n    return dp[idx];\n  }\n  dp[idx] = 0;\n  dp[idx] = recur1(c[idx]);\n  return dp[idx];\n}\n\nvoid recur0(int idx, int k, ll m, ll* ans) {\n  int i, ret;\n  if (idx == k) {\n    memset(dp, 255, k * sizeof(int));\n    dp[0] = 1;\n    for (i = 1; i < k; i ++) {\n      ret = recur1(i);\n      if (ret == 0) {\n    return;\n      }\n    }\n    (*ans) += m;\n    if ((*ans) >= mod) {\n      (*ans) -= mod;\n    }\n    return;\n  }\n  for (i = 0; i < k; i ++) {\n    if (idx == 0 || i != idx) {\n      c[idx] = i;\n      recur0(idx + 1, k, m, ans);\n    }\n  }\n}\n\nvoid solve(int n, int k) {\n  int i;\n  ll m, ans;\n  m = 1;\n  for (i = 0; i < n - k; i ++) {\n    m *= (n - k);\n    if (m >= mod) {\n      m %= mod;\n    }\n  }\n  ans = 0;\n  recur0(0, k, m, &ans);\n  printf(\"%I64d\\n\", ans);\n}\n\nint main() {\n  int n, k;\n  while (scanf(\"%d%d\", &n, &k) == 2) {\n    solve(n, k);\n  }\n  return 0;\n}", "src_uid": "cc838bc14408f14f984a349fea9e9694"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <stdbool.h>\n\n#define MAX 2000010\n#define MOD 1000000007\n#define clr(ar) memset(ar, 0, sizeof(ar))\n#define read() freopen(\"lol.txt\", \"r\", stdin)\n\nlong long factorial[MAX];\n\nlong long expo(long long x, long long n){\n    long long res = 1;\n\n    while (n){\n        if (n & 1) res = (res * x) % MOD;\n        x = (x * x) % MOD;\n        n >>= 1;\n    }\n\n    return (res % MOD);\n}\n\nlong long binomial(int n, int k){\n    long long y = (factorial[k] * factorial[n - k]) % MOD;\n    long long res = (factorial[n] * expo(y, MOD - 2)) % MOD;\n    return res;\n}\n\nint main(){\n    int i, n, m, k, res;\n\n    factorial[0] = 1LL;\n    for (i = 1; i < MAX; i++) factorial[i] = (factorial[i - 1] * i) % MOD;\n\n\n    while (scanf(\"%d\", &n) != EOF){\n        res = binomial((n << 1) + 2, n + 1);\n        res = (res - 1 + MOD) % MOD;\n        printf(\"%d\\n\", res);\n    }\n    return 0;\n}", "src_uid": "a18833c987fd7743e8021196b5dcdd1b"}
{"source_code": "#include<stdio.h>\nint main()\n{\nint a,b,c,d,n,i,j,q,w,e,r;\nscanf(\"%d\",&n);\n\n\nfor(i=1;i<=4;i++)\n\t{\n\tscanf(\"%d %d %d %d\",&a,&b,&c,&d);\n\tif(a<b)\n\tb=a;\n\tif(c<d)\n\td=c;\n\tif(b+d<=n)\n\t\t{\n\t\tfor(j=i;j<4;j++)\t\n\t\tscanf(\"%d %d %d %d\",&q,&w,&e,&r);\n\t\tprintf(\"%d %d %d\",i,b,n-b);\n\t\tbreak;\t\t\n\t\t}\n\tif(i==4)\n\tprintf(\"-1\");\n\t}\n\t\n\n\nreturn 0;\n}\n", "src_uid": "6e7ee0da980beb99ca49a5ddd04089a5"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define MIN(a, b) ((a) < (b) ? (a) : (b))\n#define INF (1ll << 60)\n\ntypedef long long ll;\n\nll a[4];\nchar s[4];\n\nvoid dfs(int pos, ll *b, ll *ans)\n{\n    ll c[4];\n    int i, j, k, t;\n    if (pos == 3)\n    {\n        *ans = MIN(*ans, b[0]);\n        return;\n    }\n    for (i = 0; i < 4 - pos; i ++)\n    {\n        for (j = i + 1; j < 4 - pos; j ++)\n        {\n            for (k = t = 0; k < 4 - pos; k ++)\n            {\n                if (k != i && k != j)\n                {\n                    c[t ++] = b[k];\n                }\n            }\n            if (s[pos] == '+')\n            {\n                c[t ++] = b[i] + b[j];\n            }\n            else\n            {\n                c[t ++] = b[i] * b[j];\n            }\n            dfs(pos + 1, c, ans);\n        }\n    }\n}\n\nvoid solve()\n{\n    ll ans = INF;\n    ll b[4];\n    memcpy(b, a, sizeof(a));\n    dfs(0, b, &ans);\n    printf(\"%I64d\\n\", ans);\n}\n\nint main()\n{\n    int i;\n    for (i = 0; i < 4; i ++)\n    {\n        scanf(\"%I64d\", &a[i]);\n    }\n    for (i = 0; i < 3; i ++)\n    {\n        while (scanf(\"%c\", &s[i]) && s[i] != '+' && s[i] != '*');\n    }\n    solve();\n    return 0;\n}", "src_uid": "7a66fae63d9b27e444d84447012e484c"}
{"source_code": "\n#include <stdio.h>\nint main()\n{\n    int n,a,x,b,y,X=0;\n    scanf(\"%d%d%d%d%d\",&n,&a,&x,&b,&y);\n    while(a!=x && b!=y){\n        if(a==b){\n            X=1;\n            break;\n        }\n        if(a==n) a=0;\n        if(b==1) b=n+1;\n        a++;\n        b--;\n    }\n    if(a==b) X=1;\n    if(X==1) printf(\"YES\");\n    else  printf(\"NO\");\n    \n    \n}\n", "src_uid": "5b889751f82c9f32f223cdee0c0095e4"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint main(){\n  char str[111], b[4]; scanf(\" %s\", str); int dotpos = -1, epos = -1;\n  int i; for(int i = 0; str[i] != '\\0'; i++){\n    if(str[i] == '.') dotpos = i;\n    if(str[i] == 'e') epos = i;\n  }\n  int start = 0, pdotpos = dotpos, e = epos - 1; for(i = epos + 1; str[i] != '\\0'; i++) b[start++] = str[i];\n  int num = atoi(b), f = 0; str[epos] = '\\0'; //printf(\"%s %d\\n\", str, num);\n  for(i = epos - 1; i >= dotpos && !f; i--){\n    //printf(\"%d \", str[i] - '0');\n    if(str[i] - '0' != 0) { f = 1; e = i; }\n    if(!f) str[i] = '\\0';\n  } //printf(\"string is %s\\n\",str);\n  if(e == dotpos) { str[e] = '\\0'; printf(\"%s\", str); while(num--) printf(\"0\"); printf(\"\\n\"); return 0; }\n  if(!num){ printf(\"%s\\n\", str); return 0; }\n  int flag = 0; dotpos += num + 1;\n  for(i = 0; str[i] != '\\0'; i++){\n    if(str[i] - '0' && i != dotpos) flag = 1;\n    if(i == dotpos){ printf(\".\"); }\n    if(flag && str[i] != '.') printf(\"%c\", str[i]);\n  }\n  num -= (e - pdotpos);\n  if(num > 0){\n  while(num--)printf(\"0\"); printf(\"\\n\"); } //printf(\"\\n%d %d %d\\n\", e, pdotpos, num);\n  return 0;\n}\n", "src_uid": "a79358099f08f3ec50c013d47d910eef"}
{"source_code": "#include <stdio.h>\n\n#define eps 1e-6\n\nint\nmain(void)\n{\n\tint a, b, c, d, e, f;\n\tdouble aa, bb, cc, dd, ee, ff;\n\n\tscanf(\"%d%d%d%d%d%d\", &a, &b, &c, &d, &e, &f);\n\n\taa = a;\n\tbb = b;\n\tcc = c;\n\tdd = d;\n\tee = e;\n\tff = f;\n\n\tif (d == 0 || (b == 0 && c != 0))\n\t\tprintf(\"Hermione\\n\");\n\telse if (a == 0 || c == 0)\n\t\tprintf(\"Ron\\n\");\n\telse if (e == 0 && f != 0)\n\t\tprintf(\"Ron\\n\");\n\telse if (e == 0 && f == 0)\n\t\tprintf(\"Hermione\\n\");\n\telse if ((bb / aa) * (dd / cc) * (ff / ee) - 1 > eps)\n\t\tprintf(\"Ron\\n\");\n\telse\n\t\tprintf(\"Hermione\\n\");\n\n\treturn 0;\n}\n", "src_uid": "44d608de3e1447f89070e707ba550150"}
{"source_code": "#include<stdio.h>\ntypedef long long LL;\n#define debug(i) printf(\"->%d\\n\",i)\n\nLL min(LL a,LL b){\n    if(a>b)return b;\n    else return a;\n}\n\nLL pri[16] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53};\n    //为什么就算是1e18也只需要这些数就够了呢? 因为越往后,前面的次方就越多\nLL ans,n;\nvoid dfs(LL Y,LL dep,LL num){\n        //因子数 深度 当前的数\n    if(dep==16)return;\n    if(Y==n)ans=min(ans,num);\n    if(Y>=n)return;\n    for(int i=1;i<=63;i++){\n        if(ans/pri[dep]<num)break;\n            //之前的答案更优,且可以避免爆long long\n        dfs(Y*(i+1),dep+1,num*=pri[dep]);\n            //pri^i比pri^(i-1)多一个pri,所以每次乘一个pri\n    }\n}\n\nint main(){\n    while(scanf(\"%lld\",&n)==1){\n        ans=2e18;\n        dfs(1,0,1);\n        printf(\"%lld\\n\",ans);\n    }\n}", "src_uid": "62db589bad3b7023418107de05b7a8ee"}
{"source_code": "#include <stdlib.h>\n#include <stdio.h>\n#include <string.h>\n#include <math.h>\n#include <ctype.h>\n\nchar * read_line();\nvoid allocate_error();\nunsigned short condition();\n\nint main() {\n\n\tchar * buffer = read_line();\n\tchar * rest = buffer;\n\n\tunsigned short candies;\n\tunsigned short friends;\n\tunsigned short rest_candies;\n\tunsigned short fair_candies;\n\tunsigned short friends_with_fair_candies;\n\n\tcandies = (unsigned short) strtol(rest, &rest, 10);\n\tfriends = (unsigned short) strtol(rest, &rest, 10);\n\n\trest_candies = candies % friends;\n\tfair_candies = (unsigned short) round(candies / friends);\n\tfriends_with_fair_candies = friends - rest_candies;\n\n\t// Print the number of candies without the rest\n\tfor (unsigned short fair_friends=0; fair_friends<friends_with_fair_candies; fair_friends++)\n\t\tprintf(\"%hu \", fair_candies);\n\n\t// Print the number of candies of the other friends who get more than the others\n\tfor (unsigned short unfair_candies=0; unfair_candies<rest_candies; unfair_candies++)\n\t\tprintf(\"%d \", fair_candies + 1);\n\n\tprintf(\"\\n\");\n\n\n\tfree(buffer);\n\t\n\treturn EXIT_SUCCESS;\n}\n\nchar * read_line() {\n\n\tunsigned short buffersize = 10;\n\tunsigned short line_index = 0;\n\n\tchar * line = malloc(buffersize);\n\tchar * tmp;\n\n\t// ERROR\n\tif (line == NULL)\n\t\tallocate_error();\n\t// ERROR\n\n\tint character;\n\n\twhile ((character = getchar()) != '\\n' && character != EOF && buffersize < 65535) {\n\n\t\t// BUFFER IS TOO SMALL\n\t\tif (buffersize <= line_index + 1) {\n\t\t\tbuffersize += 10;\n\t\t\ttmp = realloc(line, buffersize);\n\n\t\t\t// ERROR\n\t\t\tif (tmp == NULL)\n\t\t\t\tallocate_error();\n\t\t\t// ERROR\n\t\t\t\n\t\t\tline = tmp;\n\t\t}\n\t\t// BUFFER IS TOO SMALL\n\n\t\tline[line_index++] = (char) character;\n\t}\n\n\t// Set the end of the line\n\tline[line_index] = '\\0';\n\n\t// Fit the allocated memory to the string lenght => No wasted memory\n\ttmp = realloc(line, strlen(line) + 1);\n\n\t// ERROR\n\tif (tmp == NULL)\n\t\tallocate_error();\n\t// ERROR\n\t\n\tline = tmp;\n\treturn line;\n}\n\nvoid allocate_error() {\n\tperror(\"Couldn't allocate memory!\");\n\texit(1);\n}\n", "src_uid": "0b2c1650979a9931e00ffe32a70e3c23"}
{"source_code": "#include<stdio.h>\n\nint main () {\n    int arr[100], i, j, n, p=100000000, q=0, k, alt=1, t, na[98], c;\n    scanf(\"%d\",&n);\n    n *= 2;\n    for(i=0;i<n;i++) scanf(\"%d\", &arr[i]);\n\n    //sorting\n    for(i=0;i<n-1;i++)\n        for(j=0;j<n-i-1;j++)\n            if(arr[j+1] < arr[j]) {\n                t=arr[j];\n                arr[j]=arr[j+1];\n                arr[j+1]=t;\n            }\n\n    //for(i=0;i<n;i++) printf(\"%d \", arr[i]);\n\n    //printf(\"\\n\");\n\n\n    for(i=0;i<n-1;i++)\n        for(j=i+1;j<n;j++) {\n            //printf(\"%d %d\\n\", arr[i], arr[j]);\n\n            c=0;\n            for(k=0;k<n;k++)\n                if(k != i && k != j) {\n                    na[c] = arr[k];\n                    //printf(\"%d \", na[c]);\n                    c++;\n                }\n            //printf(\"\\n\");\n            q=0;\n            for(k=0;k<n-2;k += 2) q += na[k+1] - na[k];\n            if(q<p) p=q;\n            //printf(\"p: %d q: %d\\n\", p, q);\n        }\n    printf(\"%d\", p);\n}\n", "src_uid": "76659c0b7134416452585c391daadb16"}
{"source_code": "#include <stdio.h>\n\nconst long long mod = 1e9 + 9;\n\nint main() {\n  long long n, m, i;\n  scanf(\"%I64d %I64d\", &n, &m);\n  long long now = 1;\n  for(i = 1; i <= m; i++) {\n    now *= 2;\n    now %= mod;\n  }\n  long long ans = 1;\n  for(i = 1; i <= n; i++) {\n    now--;\n    if(now < 0) now += mod;\n    ans *= now;\n    ans %= mod;\n  }\n  printf(\"%d\\n\", (int) ans);\n  return 0;\n}", "src_uid": "fef4d9c94a93fcf6d536f33503b1d4b8"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    long long n, m;\n    scanf(\"%I64d %I64d\", &n, &m);\n    long long min = n - 2 * m;\n    if(min < 0) {\n        min = 0;\n    }\n    if(m == 0) {\n        printf(\"%I64d %I64d\\n\", min, n);\n    } else {\n        for(long long max = 0; max <= n; ++max) {\n            long long cmp = 0;\n            if(max & 1) {\n                cmp = (max - 1) / 2 * max;\n            } else {\n                cmp = max / 2 * (max - 1);\n            }\n            if(m <= cmp) {\n                printf(\"%I64d %I64d\\n\", min, n - max);\n                break;\n            }\n        }\n    }\n    return 0;\n}\n", "src_uid": "daf0dd781bf403f7c1bb668925caa64d"}
{"source_code": "#include <stdio.h>\n#include <string.h>\ntypedef long long ll;\nchar s[4][105] = {\"What are you doing at the end of the world? Are you busy? Will you save us?\", \"What are you doing while sending \\\"\", \"\\\"? Are you busy? Will you send \\\"\", \"\\\"?\"};\nll lens[4], lenf[100005], zuida;\n\nchar DFS(ll n, ll k)\n{\n    if(n == 0) return k < lenf[0] ? s[0][k] : '.';\n    if(lenf[n] <= k) return '.';\n    if(k < lens[1]) return s[1][k];\n    if(k < lens[1] + lenf[n - 1])\n        return DFS(n - 1, k - lens[1]);\n    if(k < lens[1] + lenf[n - 1] + lens[2])\n        return s[2][k - lens[1] - lenf[n - 1]];\n    if(k < lens[1] + lenf[n - 1] + lens[2] + lenf[n - 1])\n        return DFS(n - 1, k - lens[1] - lenf[n - 1] - lens[2]);\n    return s[3][k - lens[1] - lenf[n - 1] - lens[2] - lenf[n - 1]];\n}\n\nint main()\n{\n    ll q, n, k, i;\n    scanf(\"%I64d\", &q);\n    for(i = 0; i < 4; ++i)\n        lens[i] = strlen(s[i]);\n    lenf[0] = lens[0];\n    for(zuida = 1; lenf[zuida - 1] <= 2e18; ++zuida)\n        lenf[zuida] = 2 * lenf[zuida - 1] + lens[1] + lens[2] + lens[3];\n    for(i = zuida; i <= 100002; ++i)\n        lenf[i] = lenf[i - 1];\n    while(q--)\n    {\n        scanf(\"%I64d%I64d\", &n, &k);\n        --k;\n        printf(\"%c\", DFS(n, k));\n    }\n    puts(\"\");\n    return 0;\n}\n", "src_uid": "da09a893a33f2bf8fd00e321e16ab149"}
{"source_code": "#include <stdio.h>\n#include<math.h>\nint main (){\nlong long int n;\n\tscanf(\"%lld\",&n);\n\tn=4*(2*3*pow(4LL,n-3LL)+(n-3LL)*3*3*pow(4LL,n-4LL));\n\tprintf(\"%lld\\n\",n);\n}", "src_uid": "3b02cbb38d0b4ddc1a6467f7647d53a9"}
{"source_code": "#include<stdio.h>\nint main() {\n    long long int n;\n    scanf(\"%lld\",&n);\n    printf(\"%lld\", (n - 1) * n * (n + 1) / 6 + n );\n    return 0;\n}", "src_uid": "6df251ac8bf27427a24bc23d64cb9884"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main(){\nchar s[1000];\nint i,c=0,l;\nscanf(\"%s\",s);\nl=strlen(s);\nif(s[0]=='1'){\n        c=1;\n    for(i=1;i<l;i++){\n        if(s[i]=='1') c=1;\n        else if(s[i]=='4'){\n                if(i==l-1) c=1;\n            else if(s[i+1]=='1'||s[i-1]=='1') c=1;\nelse c=0;\n        }\n        else c=0;\n        if(c==0) break;\n    }\n}\nelse c=0;\nif(c==0) printf(\"NO\");\nelse printf(\"YES\");\nreturn 0;\n}\n", "src_uid": "3153cfddae27fbd817caaf2cb7a6a4b5"}
{"source_code": "#include<stdio.h>\nint max(int a,int b)\n{\n\tif(a>b)\n\treturn a;\n\telse\n\treturn b;\n}\nint main()\n{\n\tint n;\n\tscanf(\"%d\",&n);\n\tint a[n],i,k,l,d;\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t\tif(a[i]==1)\n\t\tk=i;\n\t\tif(a[i]==n)\n\t\tl=i;\n\t}\n\tif(k>l)\n\td=max(n-1-l,k);\n\tif(l>k)\n\td=max(n-1-k,l);\n\tprintf(\"%d\",d);\n\treturn 0;\n}", "src_uid": "1d2b81ce842f8c97656d96bddff4e8b4"}
{"source_code": "#include <stdio.h>\nint dp[51*10010];\nint main()\n{\n    int n,d,i,x,sum,ans,ans1,j;\n    scanf(\"%d%d\",&n,&d);\n        sum=0;\n        dp[0]=1;\n        for(i=0;i<n;i++){\n            scanf(\"%d\",&x);\n            sum+=x;\n            for(j=sum;j>=x;j--){\n                if(dp[j-x])\n                    dp[j]=1;\n            }\n        }\n        ans=ans1=0;\n        while(1)\n        {\n            j=ans+d;\n            while(j>ans&&!dp[j])\n                j--;\n            if(j==ans)\n                break;\n            ans=j;\n            ans1++;\n        }\n        printf(\"%d %d\\n\",ans,ans1);\n    \n    return 0;\n}\n\n", "src_uid": "65699ddec8d0db2f58b83a0f64de6f6f"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n#include<string.h>\n\ntypedef long long int int64;\n\nstatic void printInt(int64 n){\n  if(n<0){putchar('-');n=-n;}\n  if(n==0){putchar('0');return;}\n  int s[20];int len=0;\n  while(n>0){s[len++]=n%10+'0';n/=10;}\n  while(len>0){putchar(s[--len]);}\n}\nstatic int64 readInt(void){\n  int prev='\\0';int c=getchar();\n  while(!('0'<=c && c<='9')){prev=c;c=getchar();}\n  int64 res=0;\n  while('0'<=c && c<='9'){res=10*res+c-'0';c=getchar();}\n  return prev=='-'?-res:res;\n}\n\n#define MAX(a,b) ((a)>(b)?(a):(b))\n#define MIN(a,b) ((a)<(b)?(a):(b))\n#define ABS(a) ((a)>(0)?(a):-(a))\n\n/*\na_k : k マジックジェmの構成数\na_k = 1 (k<=0)\na_1=2\na_n = a_{n-1} + a_(n-m)\n*/\n\nconst int mod=1000000007;\n\n#define POS(i,j) ((i)*m+(j))\n\nvoid matmul(int *c,int *a,int *b,int m){\n  static int *tmp=NULL;\n  if(tmp==NULL) tmp=calloc(m*m,sizeof(int));\n  memset(tmp,0,sizeof(int)*m*m);\n  int i,j,k;\n  for(i=0;i<m;i++){\n    for(k=0;k<m;k++){\n      for(j=0;j<m;j++){\n\ttmp[POS(i,j)]=(tmp[POS(i,j)]+(int64)a[POS(i,k)]*b[POS(k,j)])%mod;\n      }\n    }\n  }\n  for(i=0;i<m*m;i++) c[i]=tmp[i];\n}\n\nvoid run(void){\n  int64 n=readInt();\n  int m=readInt();\n  if(m>n){\n    printInt(1);\n    puts(\"\");\n    return;\n  }\n  n-=m-1;\n  int *t=(int *)calloc(m*m,sizeof(int));\n  int *s=(int *)calloc(m*m,sizeof(int));\n  int i;\n  for(i=0;i<m;i++) t[POS(i,i)]=1;\n  for(i=1;i<m;i++) s[POS(i,i-1)]=1;\n  s[POS(0,0)]=1;\n  s[POS(0,m-1)]=1;\n  while(n>0){\n    if(n&1) matmul(t,t,s,m);\n    matmul(s,s,s,m);\n    n>>=1;\n  }\n  int64 ans=0;\n  for(i=0;i<m;i++) ans=(ans+t[POS(0,i)])%mod;\n  printInt(ans);\n  puts(\"\");\n}\n\nint main(void){\n  run();\n  return 0;\n}\n", "src_uid": "e7b9eec21d950f5d963ff50619c6f119"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n    long long int k,b,n,t,i=1,j=1;\n    scanf(\"%I64d %I64d %I64d %I64d\",&k,&b,&n,&t);\n    long long int result = 0;\n    if(t==1)\n    {\n        printf(\"%I64d\",n);\n        return 0;\n    }\n    i=i*k+b;\n    for(i;;i=i*k+b)\n    {\n        if(n-j+1<=0 || i>t)\n        {\n            result=n-j;\n            break;\n        }\n        j++;\n    }\n    printf(\"%I64d\",result+1);\n    return 0;\n}", "src_uid": "e2357a1f54757bce77dce625772e4f18"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint x, t, a, b, da, db, i, j;\n\nint main(void) {\n\tscanf(\"%d %d %d %d %d %d\", &x, &t, &a, &b, &da, &db);\n\tif (x==0 || x==a || x==b) goto yes;\n\tfor (i=0; i<t; ++i) if (x==a-i*da) goto yes;\n\tfor (i=0; i<t; ++i) if (x==b-i*db) goto yes;\n\tfor (i=0; i<t; ++i) for (j=0; j<t; ++j) if (x==a-i*da+b-j*db) goto yes;\n\tgoto no;\n\tyes: printf(\"YES\\n\"); exit(EXIT_SUCCESS);\n\tno: printf(\"NO\\n\"); exit(EXIT_SUCCESS);\n}\n", "src_uid": "f98168cdd72369303b82b5a7ac45c3af"}
{"source_code": "#include<stdio.h>\nint ss,s[1000];\nint main(void){\n    int n;scanf(\"%d\",&n);\n    int x=n-1;\n    int i=2,m=n;\n    while (m>1){\n        if(m%i==0){s[ss]=i;ss++;}\n        while(m%i==0)m/=i;\n        i++;}\n    for(i=2;i<=n;i++){\n        int c=0;\n        int j;for(j=0;j<ss;j++)\n            if(i%s[j]==0){c=1;break;}\n        if(c==1)continue;\n        int cnt=0;\n        int y=n,z=i;\n        while(y>1&&cnt<x){\n            int u=z,v=y-z;\n            cnt++;\n            if(u>=v){y=u;z=v;}\n            else{y=v;z=u;}}\n        if(cnt<x)x=cnt;}\n    printf(\"%d\\n\",x);return 0;}", "src_uid": "75739f77378b21c331b46b1427226fa1"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n#if 0\nint visit(int i)\n{\n    if (i == 0) return 1;\n    return 5 * visit(--i);\n}\n#endif\n\nint main(void)\n{\n    char t;\n    char num[3];\n    int i, j;\n\n    num[0] = '0';\n    num[1] = '0';\n    num[2] = '\\0';\n    i = 0;\n    while (1) {\n        scanf(\"%c\", &t);\n        if (t == 10) break;\n        num[0] = num[1];\n        num[1] = t;\n        i++;\n    }\n#if 0\n    printf(\"%s\\n\", num);\n    printf(\"%d\\n\", atoi(num));\n    printf(\"%d\\n\", visit(atoi(num)));\n#endif\n    j = atoi(num);\n    //printf(\"i(%d) j(%d)\\n\", i, j);\n    if (i == 1 && j == 0)\n        printf(\"1\\n\");\n    else if (i == 1 && j == 1)\n        printf(\"5\\n\");\n    else\n        printf(\"25\\n\");\n\n    return 0;\n}\n", "src_uid": "dcaff75492eafaf61d598779d6202c9d"}
{"source_code": "#include<stdio.h>\n#define mod 1000000007\nint main() {\n    long long a[8]={1, 3, 15, 133, 2025, 37851, 1030367, 36362925};\n    int i,n;\n    long long ans;\n    scanf(\"%d\",&n);\n    if(n&1) {\n        ans=a[n>>1];\n        for(i=2;i<=n;i++) ans = (ans*i)%mod;\n        printf(\"%d\",ans);\n    }\n    else printf(\"0\");\n    return 0;\n}", "src_uid": "a6a804ce23bc48ec825c17d64ac0bb69"}
{"source_code": "#include<stdio.h>\n#define MOD 1000000007\nunsigned long long int power(unsigned long long int x, unsigned long long int y, long int p)\n{\n    unsigned long long int res = 1;      // Initialize result\n \n    x = x % p;  // Update x if it is more than or \n                // equal to p\n \n    while (y > 0)\n    {\n        // If y is odd, multiply x with result\n        if (y & 1)\n            res = (res*x) % p;\n \n        // y must be even now\n        y = y>>1; // y = y/2\n        x = (x*x) % p;  \n    }\n    return res;\n}\nint main()\n{\n    long long int x,k,a,b,c,d;\n    scanf(\"%lld %lld\",&x,&k);\n    if(x==0)\n    {\n        printf(\"0\");\n    }\n    else\n    {\n        if(k==0)\n        {\n            printf(\"%lld\",(2*x)%MOD);\n        }\n        else\n        {\n            a=power(2,k,MOD);\n            b=(2*(x%MOD))%MOD;\n            if(b==0){b=MOD;}\n            b=(b-1)%MOD;\n            a=(a*b)%MOD;\n            printf(\"%lld\",(a+1)%MOD);\n        }\n    }\n}", "src_uid": "e0e017e8c8872fc1957242ace739464d"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\n#define N\t500\n\nint main() {\n\tint i, j, n, m, yes;\n\tstatic char color[N + 1];\n\tstatic int cnt[N], adj[N][N];\n\n\tscanf(\"%d%d\", &n, &m);\n\tfor (i = 0; i < m; i++) {\n\t\tint u, v;\n\n\t\tscanf(\"%d%d\", &u, &v);\n\t\tu--, v--;\n\t\tcnt[u]++, cnt[v]++;\n\t\tadj[u][v] = adj[v][u] = 1;\n\t}\n\tfor (i = 0; i < n; i++) {\n\t\tcolor[i] = '-';\n\t\tif (cnt[i] == n - 1)\n\t\t\tcolor[i] = 'b';\n\t}\n\tfor (i = 0; i < n; i++)\n\t\tif (color[i] == '-') {\n\t\t\tint j;\n\n\t\t\tcolor[i] = 'a';\n\t\t\tfor (j = 0; j < n; j++) \n\t\t\t\tif (i != j && color[j] != 'b')\n\t\t\t\t\tcolor[j] = adj[i][j] ? 'a' : 'c';\n\t\t}\n\tyes = 1;\n\tfor (i = 0; i < n; i++)\n\t\tfor (j = i + 1; j < n; j++) {\n\t\t\tint diff = color[i] > color[j] ? color[i] - color[j] : color[j] - color[i];\n\n\t\t\tif ((adj[i][j] && diff > 1) || (!adj[i][j] && diff <= 1)) {\n\t\t\t\tyes = 0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\tprintf(\"%s\\n\", yes ? \"Yes\" : \"No\");\n\tif (yes)\n\t\tprintf(\"%s\\n\", color);\n\treturn 0;\n}\n", "src_uid": "e71640f715f353e49745eac5f72e682a"}
{"source_code": "#include <stdio.h>\nlong long rBR[100003];\nlong long rWR[100003];\nlong long cBR[100003];\nlong long cWR[100003];\nint main()\n{\n\tint i;\n\tint n, m;\n\tlong long R;\n\tscanf(\"%d %d\", &n, &m);\n\trBR[0] = 1;\n\tfor (i = 1; i < n + 3; i++)\n\t{\n\t\trBR[i] = 0;\n\t}\n\tfor (i = 0; i < n + 3; i++)\n\t{\n\t\trWR[i] = 0;\n\t}\n\tfor (i = 0; i < n; i++)\n\t{\n\t\trWR[i + 1] += rBR[i];\n\t\trWR[i + 1] %= 1000000007;\n\t\trBR[i + 2] += rBR[i];\n\t\trBR[i + 2] %= 1000000007;\n\t\trBR[i + 1] += rWR[i];\n\t\trBR[i + 1] %= 1000000007;\n\t\trWR[i + 2] += rWR[i];\n\t\trWR[i + 2] %= 1000000007;\n\t}\n\tcBR[0] = 1;\n\tfor (i = 1; i < m + 3; i++)\n\t{\n\t\tcBR[i] = 0;\n\t}\n\tfor (i = 0; i < m + 3; i++)\n\t{\n\t\tcWR[i] = 0;\n\t}\n\tfor (i = 0; i < m; i++)\n\t{\n\t\tcWR[i + 1] += cBR[i];\n\t\tcWR[i + 1] %= 1000000007;\n\t\tcBR[i + 2] += cBR[i];\n\t\tcBR[i + 2] %= 1000000007;\n\t\tcBR[i + 1] += cWR[i];\n\t\tcBR[i + 1] %= 1000000007;\n\t\tcWR[i + 2] += cWR[i];\n\t\tcWR[i + 2] %= 1000000007;\n\t}\n\tR = rBR[n] + rWR[n] + cBR[m] + cWR[m] - 1 << 1;\n\tR %= 1000000007;\n\tprintf(\"%I64d\", R);\n\treturn 0;\n}", "src_uid": "0f1ab296cbe0952faa904f2bebe0567b"}
{"source_code": "#include<stdio.h>\n\nint main(void){\n  unsigned int r,g,b;\n  unsigned int r_t,g_t,b_t,max;\n\n  scanf(\"%u %u %u\",&r,&g,&b);\n  r_t=27+3*((r+1)/2);\n  g_t=28+3*((g+1)/2);\n  b_t=29+3*((b+1)/2);\n  max=r_t;\n  if(max<g_t) max=g_t;\n  if(max<b_t) max=b_t;\n  printf(\"%u\\n\",max);\n  return 0;\n}\n", "src_uid": "a45daac108076102da54e07e1e2a37d7"}
{"source_code": "//gcc 5.4.0\n\n#include  <stdio.h>\n#include  <math.h>\n\nlong long int length(long long n){\n    return (long long)(pow(2, (long long)log2l(n) + 1) - 1);\n}\n\nlong long split( long long n,  long long l,  long long r,  long long a,  long long b){\n    if (l <= a && b <= r){\n        return n;\n    }\n    if ((n > 1) && !(r < a || b < l)){\n        long long n_div = n / 2;\n        long long n_mod = n % 2;\n        long long n_div_len = length(n_div);\n        long long left_split_b = a + n_div_len - 1;\n        long long middle_split_index = left_split_b + 1;\n        long long right_split_a = left_split_b + 2;\n        return  (split(n_div, l, r, a, left_split_b)\n                + split(n_mod, l, r, middle_split_index, middle_split_index)\n                + split(n_div, l, r, right_split_a, b));\n    }\n    return 0;\n}\n\nlong long count( long long n,  long long l,  long long r){\n    return split(n, l, r, 0, length(n) - 1);\n}\n\nint main(void)\n{\n    long long n, l, r;\n    scanf(\"%llu\", &n);\n    scanf(\"%llu\", &l);\n    scanf(\"%llu\", &r);\n    l--;\n    r--;\n    printf(\"%llu\\n\", count(n, l, r));\n    return 0;\n}", "src_uid": "3ac61b1f8deee7911b1055c243f5eb6a"}
{"source_code": "#include <stdio.h>\nvoid reverse(char *s, int n)\n{\n    char temp;\n    int lim = n/2;\n    for(int i = 0; i<lim; i++)\n    {\n        temp = s[i];\n        s[i] = s[n-1-i];\n        s[n-1-i] = temp;\n    }\n    return;\n}\nint main()\n{\n\tint n;\n    char str[100];\n    scanf(\"%d %s\",&n,str);\n    int lim = n/2;\n    for (int i = 2; i<=lim; i++)\n    {\n        if (n%i == 0)\n        {\n            reverse(str,i);\n        }\n    }\n    reverse(str,n);\n    printf(\"%s\",str);\n\treturn 0;\n}", "src_uid": "1b0b2ee44c63cb0634cb63f2ad65cdd3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n\nint\nmain (int argc, char *argv[])\n{\n\n  int n, m;\n  int min, max;\n\n  scanf (\"%d %d\", &n, &m);\n\n\n\n  if (n == 0)\n    {\n      if (m > 0)\n\tprintf (\"Impossible\");\n      else \n\tprintf (\"0 0\");\n    }\n  else\n    {\n      if (n >= m)\n\tmin = n;\n      else\n\tmin = m;\n      if (m > 0)\n\tmax = n + m - 1;\n      else\n\tmax = n;\n      printf (\"%d %d\", min, max);\n    }\n  return 0;\n}\n", "src_uid": "1e865eda33afe09302bda9077d613763"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n#include<math.h>\n#include<stdlib.h>\n\nint cmpfunc (const void * a, const void * b)\n{\n    return ( *(int*)a - *(int*)b );\n}\n\nmain()\n{\n    //freopen(\"in.txt\", \"r\", stdin);\n    long long n, k, c, d, nt, t;\n\n    scanf(\"%I64d %I64d\", &n, &k);\n\n    t = n/2;\n    d = t/(k+1);\n    c = k*d;\n    nt = n - d - c;\n    printf(\"%I64d %I64d %I64d\", d, c, nt);\n}\n", "src_uid": "405a70c3b3f1561a9546910ab3fb5c80"}
{"source_code": "#include <stdio.h>\n\nint machine(int n,int m)\n{\n if (m<=n)\n {\n     return n-m;\n }\n\nelse\n{\n    if (m%2==0)\n    {\n        return 1+machine(n,m/2);\n    }\n\n    else\n    {\n        return 2+machine(n,(m+1)/2);\n    }\n    \n\n}\n\n   \n   \n    \n\n\n\n\n\n\n\n\n\n}\n\nint main()\n{\n    int n,m;\n    scanf(\"%d\",&n);\n    scanf(\"%d\",&m);\n    int answer=machine(n,m);\n    printf(\"%d\",answer);\n    return 0;\n}", "src_uid": "861f8edd2813d6d3a5ff7193a804486f"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main()\n{\n   int f,s,a,t,o,i=0,n;\n   scanf(\"%d\",&a);\n   a=a+1;\n\n   while(a>=1000){\n    o=a%10;\n    t=a%100;t=t/10;\n    s=a%1000;s=s/100;\n    f=a/1000;\n\n    if(f!=s && f!=t && f!=o && s!=t && s!=o && t!=o)\n    {\n        printf(\"%d\",a);return 0;\n    }\n    else{\n     a=a+1;\n    }\n   }\n}\n", "src_uid": "d62dabfbec52675b7ed7b582ad133acd"}
{"source_code": "#include <stdio.h>\n\n#define N 10000\n\nint main() {\n\tint n, m, z, i, cnt;\n\n\tscanf(\"%d%d%d\", &n, &m, &z);\n\tcnt = 0;\n\tfor (i = 1; i <= z; i++)\n\t\tif (i % n == 0 && i % m == 0)\n\t\t\tcnt++;\n\tprintf(\"%d\\n\", cnt);\n\treturn 0;\n}\n", "src_uid": "e7ad55ce26fc8610639323af1de36c2d"}
{"source_code": "#include <stdio.h>\nint n=0;\nchar s[105]={'\\0'};\nchar s1[105]={'\\0'};\nchar s2[105]={'\\0'};\nchar c='b';\nint main()\n{\n    int i=0,j=0,k=0,l=0;\n    scanf(\"%d\",&n);\n    scanf(\"%s\",s);\n    for(i=0;i<=n-1;i++)\n    {\n        s1[i]=s[i];\n        s2[i]=s[i];\n    }\n    while(c<='z')\n    {\n        int start=1,last=1;\n        for(i=0;i<=n-1;i++)\n        {\n            if(s1[i]==c)\n            {\n                start=i-1;\n                last=i+1;\n                while(s1[start]=='\\0'&&start>=0)\n                {\n                    start--;\n                }\n                while(s1[last]=='\\0'&&last<=n-1)\n                {\n                    last++;\n                }\n                if((start>=0)&&(s1[start]==c-1&&c-1>='a')&&(s1[i]!='\\0'))\n                {\n                    s1[i]='\\0';\n                    k++;\n                    i=-1;\n                    continue;\n                }\n                if(last<=n-1&&(s1[last]==c-1&&c-1>='a'))\n                {\n                    s1[i]='\\0';\n                    k++;\n                    i=-1;\n                }\n            }\n        }\n        c++;\n    }\n    c='z';\n    while(c>='b')\n    {\n        int start=1,last=1;\n        for(i=0;i<=n-1;i++)\n        {\n            if(s2[i]==c)\n            {\n                start=i-1;\n                last=i+1;\n                while(s2[start]=='\\0'&&start>=0)\n                {\n                    start--;\n                }\n                while(s2[last]=='\\0'&&last<=n-1)\n                {\n                    last++;\n                }\n                if((start>=0)&&(s2[start]==c-1&&c-1>='a')&&(s2[i]!='\\0'))\n                {\n                    s2[i]='\\0';\n                    l++;\n                    i=-1;\n                    continue;\n                }\n                if(last<=n-1&&(s2[last]==c-1&&c-1>='a'))\n                {\n                    s2[i]='\\0';\n                    l++;\n                    i=-1;\n                }\n            }\n        }\n        c--;\n    }\n    if(k>=l)\n        printf(\"%d\\n\",k);\n    else printf(\"%d\\n\",l);\n    return 0;\n}\n\n", "src_uid": "9ce37bc2d361f5bb8a0568fb479b8a38"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,m,i,a=1,b;\n    scanf(\"%lld%lld\",&n,&m);\n    if(m==10 && n==1)\n         printf(\"-1\\n\");\n    else if(m<10)\n    {\n        printf(\"%d\",m);\n        for(i=1;i<n;i++)\n        {\n            printf(\"0\");\n        }\n    }\n    else\n    {\n        printf(\"%d\",m);\n        for(i=1;i<n-1;i++)\n        {\n            printf(\"0\");\n        }\n    }\n    return 0;\n}\n", "src_uid": "77ffc1e38c32087f98ab5b3cb11cd2ed"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int a,b,c,n,x;\n\n    scanf(\"%d %d %d %d\",&a,&b,&c,&n);\n\n    x=n-(a+b-c);\n\n    if(x<1){\n        printf(\"-1\\n\");\n    }\n    else if(a==0&&c>0){\n        printf(\"-1\\n\");\n    }\n    else if(b==0&&c>0){\n        printf(\"-1\\n\");\n    }\n    else if(a>=n||b>=n||c>=n||c>a||c>b){\n        printf(\"-1\\n\");\n    }\n    else{\n        printf(\"%d\",x);\n    }\n    return 0;\n}\n", "src_uid": "959d56affbe2ff5dd999a7e8729f60ce"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nlong long s(long long  v)\n{\nint t,m=0;\nwhile(v!=0)\n{\nm+=v%10;\nv=v/10;\n}\nreturn m;\n}\n\nint main()\n{\nlong long int a,b,c;\nscanf(\"%lld %lld %lld\",&a,&b,&c);\nlong long  ab[10000];\nlong long  i,j,ans=0;\nfor(i=1;i<82;i++)\n{\n    long long pw=i;\n    for(j=1;j<a;j++)pw*=i;\nlong long value=b*pw+c;\nif(value>0&&value<1000000000)\n  if(s(value)==i)\n  ab[ans++]=value;\n}\nprintf(\"%lld\\n\",ans);\nfor(i=0;i<ans;i++)printf(\"%lld \",ab[i]);\nreturn 0;}", "src_uid": "e477185b94f93006d7ae84c8f0817009"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint low[7][7], high[7][7];\nint cost[7][7];\nint n;\nint flow[7][7];\nint inFlow[7];\nint outFlow[7];\nint minFlow = 100, maxCost = -1;\n\nint rec(int v, int to) {\n    if(v == n - 1) {\n        int isValid = 1;\n        int i, j;\n        int total = inFlow[n - 1];\n        int ccost = 0;\n        for(i = 0; i < n; i++) {\n            for(j = i + 1; j < n; j++) {\n                if(flow[i][j] < low[i][j] || flow[i][j] > high[i][j])\n                    isValid = 0;\n                if(flow[i][j] > 0) \n                    ccost += flow[i][j] * flow[i][j] + cost[i][j];\n            }\n        }\n        if(isValid) {\n            if(minFlow == total) {\n                if(ccost > maxCost)\n                    maxCost = ccost;\n            } else if(minFlow > total) {\n                minFlow = total;\n                maxCost = ccost;\n            }\n        }\n    } else if(to == n) {\n        if(v > 0 && inFlow[v] != outFlow[v])\n            return;\n        if(inFlow[n - 1] > minFlow)\n            return;\n        rec(v + 1, v + 2);\n    } else {\n        int i;\n        for(i = low[v][to]; i <= high[v][to]; i++) {\n            inFlow[to] += i;\n            outFlow[v] += i;\n            flow[v][to] = i;\n            rec(v, to + 1);\n            inFlow[to] -= i;\n            outFlow[v] -= i;\n        }\n    }\n}\n\nint main() {\n    scanf(\"%d\", &n);\n    int i, from, to, j;\n    for(i = 0; i < n * (n - 1) / 2; i++) {\n        scanf(\"%d %d\", &from, &to);\n        from--;\n        to--;\n        scanf(\"%d %d %d\", &low[from][to], &high[from][to], &cost[from][to]);\n    }\n    rec(0, 1);\n    if(minFlow == 100)\n        puts(\"-1 -1\");\n    else\n        printf(\"%d %d\\n\", minFlow, maxCost);\n    return 0;\n}\n", "src_uid": "38886ad7b0d83e66b77348be34828426"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<malloc.h>\n\nint main()\n{\n    int n,total,sumlow=0,sumhigh=0;\n    int* a,*b,*c;\n    a=(int*)malloc(sizeof(int)*n);\n    scanf(\"%d%d\",&n,&total);\n    a=(int*)malloc(sizeof(int)*n);\n    b=(int*)malloc(sizeof(int)*n);\n    c=(int*)malloc(sizeof(int)*n);\n    int i;\n    for(i=0;i<n;i++)\n    {\n        scanf(\"%d%d\",&a[i],&b[i]);\n        sumlow+=a[i];\n        sumhigh+=b[i];\n    }\n    if(total < sumlow || total > sumhigh)\n    {\n        printf(\"NO\\n\");\n        return 0;\n    }\n    else\n    {\n        printf(\"YES\\n\");\n        total-=sumlow;\n        while(total > 0)\n        {\n            for(i=0;i<n && total > 0;i++)\n            {\n                if(a[i] < b[i])\n                {\n                    a[i]++;\n                    total--;\n                }\n            }\n        }\n        for(i=0;i<n;i++)\n        {\n            printf(\"%d \",a[i]);\n        }\n    }\n    return 0;\n}\n\n", "src_uid": "f48ff06e65b70f49eee3d7cba5a6aed0"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#include<math.h>\nint main()\n{\n    int a[4], i, j, cnt=0, swap;\n    for(i=0; i<4; i++)\n    {\n        scanf(\"%d\", &a[i]);\n    }\n    for(i=0; i<3; i++)\n    {\n        for(j=0; j<3-i; j++)\n        {\n            if(a[j]>a[j+1])\n            {\n                swap=a[j];\n                a[j]=a[j+1];\n                a[j+1]=swap;\n            }\n        }\n    }\n    for(i=0; i<3; i++)\n    {\n        if(a[i]==a[i+1])\n        {\n            cnt++;\n        }\n    }\n    printf(\"%d\\n\", cnt);\n    return 0;\n}", "src_uid": "38c4864937e57b35d3cce272f655e20f"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int i,j,n,val;\n    char arr[90];\n    scanf(\"%d\", &n);\n    scanf(\"%s\", arr);\n    i = 0;\n    j=0;\n    while(i< n)\n    {\n        val = 0;\n        while(arr[j] != '0' && j<n)\n        {\n            val++;\n            j++;\n            i++;\n        }\n        printf(\"%d\",val);\n        j++;\n        i++;\n        while(arr[j] != '1'&& j<n)\n        {\n            printf(\"0\");\n            j++;\n            i++;\n        }\n    }\n    if(arr[n-1] == '0')\n        printf(\"0\");\n    printf(\"\\n\");\n}\n\n\n\n\n", "src_uid": "a4b3da4cb9b6a7ed0a33a862e940cafa"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\tint n,f,s,g,t;\n\tscanf(\"%d\",&n);\n\tg=n%10;\n\tn=n/10;\n\tf=n%10;\n\tif (g==1){\n\t\tt=7;\n\t}\n\telse if (g==2){\n\t\tt=2;\n\t}\n\telse if (g==3){\n\t\tt=3;\n\t}\n\telse if (g==4){\n\t\tt=3;\n\t}\n\telse if (g==5){\n\t\tt=4;\n\t}\n\telse if (g==6){\n\t\tt=2;\n\t}\n\telse if (g==7){\n\t\tt=5;\n\t}\n\telse if (g==8){\n\t\tt=1;\n\t}\n\telse if (g==9){\n\t\tt=2;\n\t}\n\t\n\telse if (g==0){\n\t\tt=2;\n\t}\n\tif (f==1){\n\t\ts=7;\n\t}\n\telse if (f==2){\n\t\ts=2;\n\t}\n\telse if (f==3){\n\t\ts=3;\n\t}\n\telse if (f==4){\n\t\ts=3;\n\t}\n\telse if (f==5){\n\t\ts=4;\n\t}\n\telse if (f==6){\n\t\ts=2;\n\t}\n\telse if (f==7){\n\t\ts=5;\n\t}\n\telse if (f==8){\n\t\ts=1;\n\t}\n\telse if (f==9){\n\t\ts=2;\n\t}\n\t\n\telse if (f==0){\n\t\ts=2;\n\t}\n\tprintf(\"%d\",s*t);\n\treturn 0;\n}\n", "src_uid": "76c8bfa6789db8364a8ece0574cd31f5"}
{"source_code": "\n#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#include<malloc.h>\n//typedef struct node{\n//int data;\n//struct node* next;\n//}node;\n# define print(i) printf(\"%d\",i)\n# define printc(i) printf(\"%c\",i)\n# define printl   printf(\"\\n\")\n# define prints(i) printf(\"%s\",i)\n# define PI 3.141592\n\nint main()\n{\n    auto int i,j;\n    int n,round;\n    int flag=0;\n    scanf(\"%d\",&n);\n    int a[n][4];\n    int x_min=31500,x_max=0,y_min=31500,y_max=0,area=0;\n    for (i=0;i<n;i++)\n    {\n        scanf(\"%d%d%d%d\",&a[i][0],&a[i][1],&a[i][2],&a[i][3]);\n        area+=((a[i][2]-a[i][0])*(a[i][3]-a[i][1]));\n        if(a[i][0]<x_min)\n            x_min=a[i][0];\n        if(a[i][2]>x_max)\n            x_max=a[i][2];\n        if(a[i][1]<y_min)\n            y_min=a[i][1];\n        if(a[i][3]>y_max)\n            y_max=a[i][3];\n\n    }\n    if(y_max-y_min != x_max-x_min || area !=((y_max-y_min)*(x_max-x_min)))\n    {\n\n        printf(\"NO\\n\");\n    }\n    else\n        printf(\"YES\\n\");\n\n\n\n\n    //for(i=0;i ;i++)\n    return 0;\n}\n", "src_uid": "f63fc2d97fd88273241fce206cc217f2"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint i,a[101],n,j,OK,mini,maxi,D,KO,d;\n\nint main()\n{\n    scanf(\"%i\",&n);\n    scanf(\"%i\",&a[1]);\n    mini=maxi=a[1];\n    for(i=2;i<=n;i++)\n    {\n\n        scanf(\"%i\",&a[i]);\n        if(a[i]>maxi)\n            maxi=a[i];\n        if(a[i]<mini)\n            mini=a[i];\n    }\n\n    D=maxi-mini;\n    OK=1;\n    KO=1;\n    for(i=1;i<=n;i++)\n        {\n            if(a[i]!=mini && a[i]!=maxi)\n                OK=0;\n\n            if(OK==0)\n            {\n\n\n                if(a[i]!=mini+D/2 && a[i]!=mini && a[i]!=maxi)\n                    KO=0;\n            }\n\n\n        }\n\n\nif(OK==0)\n{\n\n\n    D=D/2;\n    if(maxi-D!=mini+D)\n    KO=0;\n\n}\n\n\nif(OK==1)\n{\n    d=D/2;\n    if(d*2==D)\n        D=d;\n}\n\n\n\nif(KO==1)\n    printf(\"%i\",D);\nelse\n    printf(\"-1\");\n\n\n\n        return 0;\n}\n", "src_uid": "d486a88939c132848a7efdf257b9b066"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main() {\n\tchar a[100][20],c[]=\"North\",e[]=\"South\",f[]=\"East\",g[]=\"West\";\n\tint b[50],sum=0,jump=0,wang=0;\n\tint n,i;\n\tscanf(\"%d\",&n);\n\tfor(i=1; i<=n; i++) {\n\t\tscanf(\"%d %s\",&b[i],a[i]);\n\t}\n\tfor(i=1; i<=n; i++) {\n\t\tif(strcmp(a[1],e)!=0) {\n\t\t\tprintf(\"NO\\n\");\n\t\t\tbreak;\n\t\t} else {\n\t\t\tif(strcmp(a[i],e)==0) {\n\t\t\t\tsum-=b[i];\n\t\t\t} else if(strcmp(a[i],c)==0) {\n\t\t\t\tsum+=b[i];\n\t\t\t}\n\t\t}\n\t\tif(sum==-20000) {\n\t\t\tif(strcmp(a[i+1],c)!=0) {\n\t\t\t\tprintf(\"NO\\n\");\n\t\t\t\twang=0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t} else if(sum<-20000||sum>0) {\n\t\t\tprintf(\"NO\\n\");\n\t\t\twang=0;\n\t\t\tbreak;\n\t\t} else if(sum==0) {\n\t\t\tif(i==n) {\n\t\t\t\tjump=1;\n\t\t\t\twang=0;\n\t\t\t\tbreak;\n\t\t\t} else {\n\t\t\t\tif(strcmp(a[i+1],e)!=0) {\n\t\t\t\t\tprintf(\"NO\\n\");\n\t\t\t\t\twang=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\twang=1;\n\t}\n\tif(jump==1) {\n\t\tprintf(\"YES\\n\");\n\t}\n\tif(wang==1) {\n\t\tif(sum==0) {\n\t\t\tprintf(\"YES\\n\");\n\t\t} else {\n\t\t\tprintf(\"NO\\n\");\n\t\t}\n\t}\n\treturn 0;\n}", "src_uid": "11ac96a9daa97ae1900f123be921e517"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint n,i,j,ans=0;\n\tchar c[101];\n\tscanf(\"%d\",&n);\n\tscanf(\"%s\",c);\n\tint l;\n\tfor(l=1;l<=n;l++)\n\t{\n\t\tfor(i=0;i<n-4*l;i++)\n\t\t{\n\t\t\tif(c[i]=='*' &&c[i+l]=='*' && c[i+2*l]=='*' &&c[i+3*l]=='*' &&c[i+4*l]=='*')\n\t\t\t{\n\t\t\t\tans=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif(ans==1)\n\t\t\tbreak;\n\t}\n\tif(ans==1)\n\t\tprintf(\"yes\\n\");\n\telse\n\t\tprintf(\"no\\n\");\n\treturn 0;\n}\n\n\n\n\t\t\t\n\n\n\n\n", "src_uid": "12d451eb1b401a8f426287c4c6909e4b"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#define MAXN 55\nlong n,ls;\nchar s[MAXN]={'\\0'};\nlong a[MAXN]={0},p[MAXN][10]={0};\nlong long f[MAXN][10]={0},ans=0;\nvoid dfs(long now,long b)\n{\n if(p[now][b]) return;\n p[now][b]=1;\n if(now==n-1)\n  {\n   if(((a[now+1]+b)&1)) f[now][b]=2;\n   else f[now][b]=1;\n  }\n else\n  {\n   if(((a[now+1]+b)&1))\n    {\n     dfs(now+1,((a[now+1]+b)>>1));\n     dfs(now+1,((a[now+1]+b)>>1)+1);\n     f[now][b]=f[now+1][((a[now+1]+b)>>1)]+f[now+1][((a[now+1]+b)>>1)+1];\n    }\n   else\n    {\n     dfs(now+1,((a[now+1]+b)>>1));\n     f[now][b]=f[now+1][((a[now+1]+b)>>1)];\n    }\n  }\n return;\n}\nint main()\n{\n long i,j,k;\n gets(s);ls=strlen(s)-1;if(s[ls]=='\\n') s[ls--]='\\0';\n n=ls+1;\n if(n==1) printf(\"9\\n\");\n else\n  {\n   for(i=1;i<=n;i++) a[i]=s[i-1]-'0';\n   for(i=0;i<=9;i++) \n    {dfs(1,i);ans+=f[1][i];}\n   for(i=2;i<=n;i++)\n    if(((a[i-1]+a[i])>>1)!=a[i] && (((a[i-1]+a[i])>>1)+1)!=a[i])\n     break;\n   if(i==n+1) ans--; \n   printf(\"%I64d\\n\",ans);\n  }\n return(0);\n}\n", "src_uid": "2dd8bb6e8182278d037aa3a59ca3517b"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    char c1,c2;\n    scanf(\"%c %c\",&c1,&c2);\n    int i,j;\n    i=c1;\n    j=c2;\n    if(i==118)\n        i=0;\n    else if(i==60)\n        i=1;\n    else if(i==94)\n        i=2;\n    else if(i==62)\n        i=3;\n    if(j==118)\n        j=0;\n    else if(j==60)\n        j=1;\n    else if(j==94)\n        j=2;\n    else if(j==62)\n        j=3;\n    int n,tempp,tempn;\n    scanf(\"%d\",&n);\n    tempp=(i+n)%4;\n    tempn=(i-n)%4;\n    if(tempn<0)\n        tempn+=4;\n    if(tempp==tempn)\n        printf(\"undefined\\n\");\n    else if(tempp==j)\n        printf(\"cw\\n\");\n    else if(tempn==j)\n        printf(\"ccw\\n\");\n    return 0;\n}\n", "src_uid": "fb99ef80fd21f98674fe85d80a2e5298"}
{"source_code": "#include<string.h>\nmain()\n{\nint ar1[3],ar2[3],ar3[3],a1[3],a2[3],a3[3];\nscanf(\"%d %d %d\",&ar1[0],&ar1[1],&ar1[2]);\nscanf(\"%d %d %d\",&ar2[0],&ar2[1],&ar2[2]);\nscanf(\"%d %d %d\",&ar3[0],&ar3[1],&ar3[2]);\nif ((ar1[0]+ar1[1]+ar2[0])%2==0) a1[0]=1;\nelse a1[0]=0;\nif ((ar2[0]+ar1[0]+ar3[0]+ar2[1])%2==0) a2[0]=1;\nelse a2[0]=0;\nif ((ar3[0]+ar3[1]+ar2[0])%2==0) a3[0]=1;\nelse a3[0]=0;\nif ((ar1[1]+ar1[0]+ar1[2]+ar2[1])%2==0) a1[1]=1;\nelse a1[1]=0;\nif ((ar2[1]+ar1[1]+ar3[1]+ar2[0]+ar2[2])%2==0) a2[1]=1;\nelse a2[1]=0;\nif ((ar3[1]+ar2[1]+ar3[0]+ar3[2])%2==0) a3[1]=1;\nelse a3[1]=0;\nif ((ar1[2]+ar1[1]+ar2[2])%2==0) a1[2]=1;\nelse a1[2]=0;\nif ((ar2[2]+ar2[1]+ar1[2]+ar3[2])%2==0) a2[2]=1;\nelse a2[2]=0;\nif ((ar3[2]+ar2[2]+ar3[1])%2==0) a3[2]=1;\nelse a3[2]=0;\nprintf(\"%d%d%d\\n%d%d%d\\n%d%d%d\",a1[0],a1[1],a1[2],a2[0],a2[1],a2[2],a3[0],a3[1],a3[2]);\n}\n", "src_uid": "b045abf40c75bb66a80fd6148ecc5bd6"}
{"source_code": "/******************************************************************************\n\nWelcome to GDB Online.\nGDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,\nC#, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.\nCode, Compile, Run and Debug online from anywhere in world.\n\n*******************************************************************************/\n#include <stdio.h>\n\nint step (int n) {\n    if (n==0) return 1;\n        else return 10*step(n-1);\n}\n\nint tsifra (int chislo, int mesto) {\n    int l, k=0;\n    l= chislo;\n    while (l!=0) {\n        l=l/10;\n        ++k;\n    }\n    k=k-mesto;\n    while (k!=0) {\n        chislo= chislo/10;\n        --k;\n    }\n    chislo= chislo%10;\n    return chislo;\n}\n\nint main()\n{\n    int a=0,k=0,x,y,t;\n    scanf (\"%d\",&x);\n    while (x>a) {\n        ++k;\n        a=a+k*(step(k) - step(k-1));\n    }\n    a= x-(a- k*(step(k)-step (k-1)));\n    y= step (k-1)-1 + a/k;\n    if ((a%k)>0) {\n        ++y;\n        t=a%k;\n    } else t = k;\n    y= tsifra (y,t);\n    printf (\"%d\",y);\n\n    return 0;\n}\n", "src_uid": "1503d761dd4e129fb7c423da390544ff"}
{"source_code": "#include<stdio.h>\nlong long int fact[500005];\nlong long int modpow(long long int a, long long int n, long long int p)\n{\n\tlong long int res = 1;\n\twhile (n > 0)\n\t{\n\t\tif (n % 2 > 0)\n\t\t\tres = res * a % p;\n\t\ta = a * a % p;\n\t\tn /= 2;\n\t}\n\treturn res;\n}\nlong long int comb(long long int n, long long int r, long long int p)\n{\n\tlong long int res = fact[n];\n\tres = res * modpow(fact[r], p - 2, p) % p;\n\tres = res * modpow(fact[n - r], p - 2, p) % p;\n\treturn res;\n}\nint main()\n{\n\tlong long int n, k;\n\tscanf(\"%lld %lld\", &n, &k);\n\tlong long int p = 998244353;\n\tlong long int ans = 0;\n\tlong long int i;\n\tfact[0] = 1;\n\tfor (i = 1; i <= n; i++)\n\t\tfact[i] = fact[i - 1] * i % p;\n\tfor (i = 1; n / i >= k; i++)\n\t\tans = (ans + comb(n / i - 1, k - 1, p)) % p;\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}", "src_uid": "8e8eb64a047cb970a549ee870c3d280d"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(void){\n\n  char string[21];\n  scanf(\"%s\", string);\n\n  /*  int alpha[26];\n  \n  for(int i=0;i<26;i++){\n    alpha[i]=0;\n  }\n  */\n  int length = strlen(string);\n\n  /*\n  for(int i=0;i<length;i++){\n    alpha[string[i]-'a']+=1;\n  }\n\n  int distinct=0;\n\n  for(int i=0;i<26;i++){\n    if(alpha[i]>0){\n      distinct+=1;\n    }\n  }\n  */\n  int ways=26;\n\n  ways+=(25*length);\n\n  printf(\"%d\\n\", ways);\n\n\n}\n", "src_uid": "556684d96d78264ad07c0cdd3b784bc9"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int n;\n    scanf(\"%d\", &n);\n    if (n<=2){\n        printf(\"-1\");\n    }\n    else{\n        for (int i = n; i>0; i--)\n            printf(\"%d \", i);\n    }\n}\n", "src_uid": "fe8a0332119bd182a0a5b7758716317e"}
{"source_code": "/**\n* I'm sorry I was an Idiot\n*/\n#include<stdio.h>\n\nint main(){\n\tchar toSee[101];\n\tscanf(\"%s\",toSee);\n\tint conse = 0;\n\tint ans = 0;\n\tfor(int i = 0; toSee[i+1] != '\\0';++i){\n\t\tif(toSee[i] != toSee[i+1]){\n\t\t\t++ans;\n\t\t\tconse = 0;\n\t\t}\n\t\telse\n\t\t\t++conse;\n\t\tif(conse == 5){\n\t\t\t++ans;\n\t\t\tconse = 0;\n\t\t}\n\t}\n\t++ans;\n\tprintf(\"%d\\n\",ans);\n}", "src_uid": "5257f6b50f5a610a17c35a47b3a0da11"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\nint main()\n{\n\tint h=0,i,r=0,k=0,p=0;\n\tchar x[1000];\n\tscanf(\"%s\",&x);\n\tint len=strlen(x);\n\tfor(i=0;i<len;i++)\n\t{\n\t\tif(x[i]=='W')\n\t\t{\n\t\t h++;\t\n\t\t if(k>0)\n\t\t k=0;\n\t\t}\n\t\telse if(x[i]=='U')\n\t\t{\n\t\t\tk++;\n\t\t if(h>0)\n\t\t h=1;\n\t\t}\n\t\telse if(x[i]=='B')\n\t\t{\n\t\t\tif((h==1)&&(k==1))\n\t\t\t{\n\t\t\t\tx[i]=' ';\n\t\t\t\tx[i-1]=' ';\n\t\t\t\tx[i-2]=' ';\n\t\t\t\th=k=0;\n\t\t\t}\n\t\t}\n\t\telse if(x[i])\n\t\t{\n\t\t\th=0;\n\t\t\tk=0;\n\t\t}\n\t}\n // printf(\"%s\\n\",x);\n  for(i=0;i<len;i++)\n  {\n  \tif(x[i]==' ')\n  \t{\n  \t\tr++;\n  \t\tif((r==1)&&(p>0))\n  \t\tprintf(\" \");\n  \t}\n  \telse\n  \t{\n  \t\tprintf(\"%c\",x[i]);\n  \t\tr=0;\n  \t\tp++;\n  \t}\n  }\n}", "src_uid": "edede580da1395fe459a480f6a0a548d"}
{"source_code": "#include<stdio.h>\nint main()\n{\nint r,x,rev,i;\nlong long int j=1;\nscanf(\"%d\",&x);\nr=(x/1000)%10;\nrev=(x/10000)*10000+((x%1000)/100)*1000+(x%10)*100+((x%100)/10)*10+r;\nfor(i=1;i<=5;i++)\nj=(j*rev)%100000;\nprintf(\"%05lld\",j);\nreturn 0;\n}\n", "src_uid": "51b1c216948663fff721c28d131bf18f"}
{"source_code": "#include<stdio.h>\nint main ()\n{\n\tint a,b,c,d,f;\n\tscanf (\"%d %d %d %d\",&a,&b,&c,&d);\n\tif (b%c==0) f=b/c;\n\telse f=b/c+1;\n\tif ((a*f)%d==0) \n\tprintf(\"%d\",(a*f)/d);\n\telse printf(\"%d\",(a*f)/d+1);\n\treturn 0;\n} \n", "src_uid": "73f0c7cfc06a9b04e4766d6aa61fc780"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define A 100000000\n#define B 1000\n#define PMAX 316223\n#define P 27293\n#define P3 10000\n#define L1 32000\n#define min(a,b) (((a) < (b)) ? (a) : (b))\n#define max(a,b) (((a) > (b)) ? (a) : (b))\n\nint a[A+1];\nunsigned int b[B] = {\n             0,    5761455,   11078937,   16252325,   21336326,   26355867,   31324703,   36252931,   41146179,   46009215,\n      50847534,   55662470,   60454705,   65228333,   69985473,   74726528,   79451833,   84163019,   88862422,   93547928,\n      98222287,  102886526,  107540122,  112184940,  116818447,  121443371,  126062167,  130670192,  135270258,  139864011,\n     144449537,  149028641,  153600805,  158165829,  162725196,  167279333,  171827136,  176369517,  180906194,  185436625,\n     189961812,  194481069,  198996103,  203507248,  208013454,  212514323,  217011319,  221504167,  225991743,  230475545,\n     234954223,  239429993,  243902342,  248370960,  252834065,  257294520,  261751864,  266206294,  270655552,  275101551,\n     279545368,  283984956,  288422869,  292856421,  297285198,  301711468,  306137611,  310558733,  314977166,  319391721,\n     323804352,  328215206,  332620900,  337024801,  341426904,  345826612,  350221825,  354615116,  359006517,  363395981,\n     367783654,  372168766,  376549859,  380930729,  385307831,  389682427,  394055910,  398425675,  402793457,  407159590,\n     411523195,  415885628,  420243162,  424603409,  428958595,  433311792,  437663672,  442014876,  446362736,  450708777,\n     455052511,  459394441,  463733626,  468072089,  472408200,  476741968,  481074475,  485405902,  489736021,  494062787,\n     498388617,  502712575,  507036251,  511354887,  515673696,  519991125,  524309392,  528624525,  532936342,  537247292,\n     541555851,  545864306,  550170437,  554476170,  558778993,  563082532,  567382703,  571680924,  575978253,  580275482,\n     584570200,  588863345,  593155089,  597445378,  601735269,  606022680,  610308664,  614594106,  618878615,  623159296,\n     627440336,  631717982,  635997249,  640275231,  644550922,  648825715,  653099304,  657371139,  661643304,  665911851,\n     670180516,  674447835,  678714823,  682979568,  687242934,  691504332,  695766925,  700028114,  704286233,  708543557,\n     712799821,  717055212,  721310048,  725563140,  729813991,  734065508,  738315156,  742564929,  746813071,  751060249,\n     755305935,  759550004,  763794029,  768035554,  772276773,  776516528,  780756650,  784994469,  789230673,  793467703,\n     797703398,  801937611,  806169530,  810401956,  814633249,  818864199,  823092766,  827320850,  831548431,  835773764,\n     840000027,  844224822,  848450250,  852673966,  856895823,  861116918,  865335133,  869555570,  873772692,  877989808,\n     882206716,  886422213,  890636921,  894850907,  899064419,  903275849,  907487780,  911698381,  915907322,  920117006,\n     924324489,  928532509,  932738007,  936943763,  941147666,  945351970,  949555347,  953758330,  957958052,  962158684,\n     966358351,  970556800,  974755898,  978951680,  983147464,  987343369,  991538483,  995733104,  999926054, 1004118104,\n    1008309544, 1012500258, 1016690917, 1020879037, 1025067175, 1029256469, 1033444454, 1037631294, 1041815774, 1046001482,\n    1050186367, 1054370637, 1058552429, 1062734476, 1066916147, 1071094927, 1075274949, 1079454128, 1083631538, 1087809564,\n    1091987405, 1096163370, 1100339660, 1104513787, 1108687177, 1112860305, 1117034447, 1121205592, 1125376629, 1129547281,\n    1133717820, 1137887191, 1142056097, 1146225390, 1150393648, 1154560299, 1158727002, 1162892823, 1167057747, 1171221046,\n    1175385155, 1179549444, 1183711384, 1187874380, 1192034212, 1196195238, 1200356153, 1204515304, 1208673910, 1212829795,\n    1216987937, 1221145073, 1225300872, 1229455037, 1233609164, 1237764170, 1241917157, 1246070670, 1250224878, 1254376178,\n    1258528162, 1262678524, 1266827683, 1270976954, 1275125632, 1279274172, 1283421484, 1287567873, 1291715676, 1295861693,\n    1300005926, 1304150462, 1308296664, 1312440578, 1316583470, 1320724811, 1324868019, 1329010956, 1333151863, 1337291809,\n    1341430624, 1345570079, 1349708221, 1353846756, 1357984935, 1362122305, 1366257814, 1370393786, 1374528892, 1378664634,\n    1382799415, 1386933522, 1391065576, 1395199789, 1399331489, 1403463860, 1407594647, 1411724086, 1415855689, 1419985631,\n    1424115489, 1428244053, 1432371870, 1436498522, 1440625629, 1444751745, 1448877006, 1453002152, 1457125036, 1461250000,\n    1465374659, 1469497594, 1473620220, 1477744125, 1481866173, 1485988244, 1490109683, 1494229934, 1498349689, 1502469332,\n    1506589876, 1510706235, 1514824921, 1518942965, 1523061505, 1527178351, 1531294454, 1535409890, 1539526326, 1543640517,\n    1547756812, 1551870851, 1555985016, 1560097442, 1564208549, 1568320054, 1572432177, 1576544661, 1580654270, 1584764017,\n    1588873108, 1592982840, 1597091049, 1601199712, 1605308326, 1609414491, 1613521803, 1617628777, 1621733835, 1625839726,\n    1629945987, 1634052052, 1638156927, 1642258972, 1646361787, 1650465128, 1654567808, 1658669200, 1662770302, 1666869794,\n    1670972264, 1675072419, 1679170566, 1683270249, 1687369711, 1691467151, 1695565190, 1699662748, 1703761548, 1707858902,\n    1711955433, 1716050469, 1720144848, 1724241897, 1728336282, 1732430410, 1736526180, 1740619156, 1744713632, 1748805530,\n    1752898084, 1756987393, 1761078122, 1765169921, 1769260641, 1773351175, 1777442877, 1781530474, 1785621307, 1789709560,\n    1793798703, 1797887260, 1801975182, 1806062390, 1810149996, 1814236123, 1818322676, 1822407623, 1826489988, 1830575906,\n    1834658067, 1838742792, 1842825653, 1846909270, 1850992005, 1855074218, 1859156347, 1863238351, 1867320859, 1871402335,\n    1875482847, 1879562930, 1883642470, 1887722398, 1891800587, 1895879932, 1899958276, 1904036638, 1908114573, 1912191800,\n    1916268743, 1920347116, 1924422570, 1928498011, 1932573349, 1936646486, 1940721696, 1944797174, 1948871367, 1952945594,\n    1957018338, 1961089383, 1965161808, 1969233350, 1973304195, 1977376665, 1981447779, 1985519033, 1989588548, 1993659289,\n    1997729452, 2001796366, 2005864843, 2009933793, 2014002593, 2018069377, 2022137196, 2026204289, 2030270517, 2034337796,\n    2038404475, 2042469434, 2046534053, 2050598713, 2054662457, 2058727455, 2062791593, 2066855115, 2070918071, 2074981871,\n    2079045540, 2083107257, 2087170358, 2091232421, 2095293756, 2099353852, 2103414866, 2107473358, 2111533438, 2115593696,\n    2119654578, 2123711202, 2127769041, 2131828079, 2135887473, 2139945263, 2144002868, 2148061201, 2152118222, 2156173876,\n    2160230408, 2164287399, 2168343450, 2172397905, 2176451935, 2180506650, 2184561319, 2188616526, 2192670595, 2196723874,\n    2200777436, 2204828910, 2208879508, 2212930015, 2216982800, 2221034120, 2225087204, 2229138005, 2233188780, 2237237738,\n    2241286680, 2245337711, 2249386635, 2253437044, 2257486659, 2261534669, 2265582088, 2269630722, 2273677293, 2277723942,\n    2281770277, 2285816118, 2289861391, 2293908247, 2297955870, 2301999709, 2306044120, 2310088597, 2314134053, 2318177990,\n    2322223112, 2326266900, 2330308778, 2334351201, 2338393413, 2342436031, 2346478314, 2350519355, 2354560561, 2358602447,\n    2362642765, 2366683716, 2370724495, 2374763504, 2378804084, 2382843532, 2386880413, 2390919906, 2394959109, 2398996112,\n    2403034927, 2407071577, 2411110078, 2415147307, 2419181034, 2423219093, 2427255367, 2431292536, 2435327045, 2439361501,\n    2443396396, 2447431831, 2451466331, 2455500451, 2459534282, 2463565779, 2467597919, 2471632122, 2475665529, 2479696435,\n    2483729191, 2487761399, 2491793997, 2495825196, 2499856755, 2503887935, 2507918465, 2511947717, 2515978063, 2520007177,\n    2524038155, 2528067401, 2532097043, 2536126664, 2540155255, 2544183491, 2548211228, 2552238285, 2556266399, 2560294002,\n    2564319542, 2568345835, 2572372442, 2576397670, 2580421933, 2584447929, 2588472785, 2592497820, 2596522622, 2600546330,\n    2604571471, 2608595062, 2612618628, 2616643294, 2620665663, 2624687920, 2628709369, 2632732626, 2636754699, 2640776029,\n    2644799757, 2648820585, 2652840994, 2656861044, 2660881979, 2664902170, 2668922912, 2672943760, 2676963401, 2680982125,\n    2685000601, 2689021011, 2693039441, 2697057353, 2701075683, 2705092716, 2709109210, 2713125397, 2717143223, 2721159932,\n    2725176643, 2729193507, 2733210696, 2737225536, 2741242121, 2745257057, 2749272015, 2753286718, 2757299847, 2761314795,\n    2765327756, 2769341791, 2773356225, 2777369850, 2781383306, 2785394924, 2789408169, 2793419860, 2797431717, 2801443922,\n    2805454432, 2809465484, 2813477356, 2817487436, 2821497837, 2825509231, 2829520068, 2833530738, 2837539518, 2841549369,\n    2845558213, 2849566042, 2853574755, 2857584531, 2861594266, 2865601989, 2869610768, 2873619181, 2877625961, 2881633373,\n    2885641353, 2889648502, 2893654733, 2897660376, 2901667770, 2905672946, 2909678043, 2913685600, 2917689568, 2921695146,\n    2925699539, 2929702761, 2933706263, 2937709465, 2941713524, 2945717900, 2949719949, 2953724092, 2957726064, 2961727364,\n    2965730599, 2969734593, 2973737899, 2977740005, 2981742619, 2985744869, 2989743222, 2993744024, 2997743403, 3001742385,\n    3005740846, 3009740083, 3013740632, 3017740443, 3021739912, 3025737894, 3029738266, 3033736354, 3037734260, 3041732620,\n    3045730736, 3049728863, 3053726975, 3057724728, 3061722012, 3065718156, 3069714416, 3073709903, 3077706121, 3081700773,\n    3085694966, 3089690887, 3093686041, 3097682212, 3101677762, 3105672385, 3109665704, 3113660777, 3117654258, 3121648738,\n    3125641477, 3129636165, 3133628489, 3137621629, 3141615091, 3145607391, 3149600532, 3153593186, 3157583551, 3161575400,\n    3165568071, 3169558897, 3173549966, 3177541505, 3181531857, 3185524100, 3189515502, 3193505484, 3197494480, 3201485771,\n    3205474366, 3209464223, 3213453462, 3217442657, 3221430632, 3225418712, 3229406344, 3233394790, 3237380550, 3241367601,\n    3245353518, 3249340672, 3253327262, 3257314501, 3261302137, 3265288786, 3269274318, 3273261676, 3277246756, 3281232235,\n    3285218896, 3289205184, 3293189136, 3297172860, 3301158042, 3305141278, 3309125457, 3313108871, 3317092589, 3321076365,\n    3325059246, 3329042269, 3333024320, 3337007745, 3340990584, 3344973656, 3348954479, 3352936965, 3356918381, 3360899212,\n    3364880246, 3368861514, 3372843128, 3376824341, 3380804536, 3384785252, 3388764045, 3392744352, 3396724969, 3400703302,\n    3404683449, 3408661629, 3412641191, 3416621174, 3420600239, 3424577712, 3428556536, 3432533925, 3436512942, 3440489299,\n    3444467709, 3448443650, 3452420745, 3456398055, 3460376073, 3464354329, 3468330724, 3472306712, 3476280273, 3480257644,\n    3484232867, 3488208449, 3492182057, 3496156616, 3500132047, 3504107018, 3508083271, 3512056531, 3516031243, 3520004496,\n    3523979003, 3527952545, 3531925382, 3535899657, 3539873170, 3543843428, 3547815425, 3551789160, 3555761507, 3559733867,\n    3563706203, 3567677571, 3571648151, 3575618333, 3579587822, 3583559953, 3587530335, 3591499540, 3595471441, 3599441281,\n    3603412533, 3607382383, 3611353499, 3615323157, 3619293204, 3623260438, 3627230054, 3631199924, 3635167788, 3639133977,\n    3643101671, 3647069932, 3651037811, 3655006291, 3658974043, 3662941495, 3666909363, 3670877228, 3674842642, 3678809724,\n    3682776125, 3686743894, 3690708635, 3694674136, 3698640744, 3702607660, 3706572805, 3710536268, 3714502398, 3718465031,\n    3722428991, 3726394088, 3730358421, 3734323031, 3738287024, 3742250941, 3746214561, 3750179004, 3754141753, 3758105608,\n    3762067054, 3766030492, 3769992222, 3773955567, 3777917868, 3781881979, 3785842285, 3789803781, 3793766088, 3797726848,\n    3801688660, 3805649459, 3809611918, 3813571463, 3817534298, 3821493048, 3825453351, 3829412874, 3833371480, 3837330842,\n    3841291749, 3845250279, 3849209920, 3853169493, 3857129155, 3861088365, 3865047067, 3869005617, 3872964725, 3876923182,\n    3880881273, 3884839528, 3888796569, 3892753631, 3896710330, 3900667023, 3904623253, 3908580398, 3912536328, 3916492455,\n    3920449831, 3924406577, 3928362015, 3932316075, 3936271016, 3940227600, 3944182809, 3948137829, 3952093061, 3956048108,\n    3960003559, 3963957671, 3967911833, 3971865657, 3975818018, 3979772869, 3983725586, 3987677658, 3991630533, 3995584016,\n    3999537962, 4003491500, 4007444082, 4011396563, 4015348558, 4019300356, 4023253116, 4027204376, 4031157206, 4035109071,\n    4039061553, 4043014010, 4046965198, 4050915644, 4054865513, 4058816261, 4062767391, 4066716906, 4070666662, 4074616057,\n    4078566781, 4082514143, 4086464266, 4090414411, 4094363532, 4098312828, 4102261058, 4106208569, 4110157418, 4114105592\n};\nint p[P];\nlong long y[P];\n\nint main()\n{\n\tlong long n, n2, n3, bl, bh, ans = 0, k, kl, kh;\n\tint i, j, b1=-1, b2, q2, c;\n\n\tscanf(\"%I64d\", &n);\n\n\t// p\n\tp[0] = 2; k = 1;\n\tfor (i = 3; i <= PMAX; i += 2)\n\t{\n\t\tif (a[i] == 0)\n\t\t{\n\t\t\tp[k++] = i;\n\t\t\tif (i <= PMAX/i)\n\t\t\t\tfor (j = i * i; j <= PMAX; j += i) \n\t\t\t\t\ta[j] = 1;\n\t\t};\n\t}\n\n\t// 2\n\tfor (i = 0; i < P; i++)\n\t{\n\t\tn2 = n / p[i];\n\t\tif (n2 == 0 || n2 < p[i]) break;\n\t\tb2 = (int) (n2 / A); \n\t\tq2 = n2 % A;\n\t\tif (b1 != b2)\n\t\t{\n\t\t\tmemset(a, 0, sizeof(a));\n\t\t\tb1 = b2;\n\t\t\tbl = 1ll * b1 * A;\n\t\t\tbh = bl + q2 + 1;\n\t\t\tc = (b1 == 0? 1: 0);\n\t\t\ty[0] = -1;\n\t\t\tfor (j = 1; j < P; j++)\n\t\t\t{\n\t\t\t\ty[j] = max(bl/p[j]*p[j] + p[j], 1ll * p[j] * p[j]) - bl;\n\t\t\t\tif ((y[j] & 1) == 0) y[j] += p[j];\n\t\t\t}\n\t\t\tfor (kl = bl; kl < bh; kl += L1)\n\t\t\t{\n\t\t\t\tkh = min(kl + L1, bh) - bl;\n\t\t\t\tfor (j = 1; j < P; j++)\n\t\t\t\t{\n  \t\t\t\t\tfor (k = y[j]; k < kh; k += 2ll*p[j]) \n\t\t\t\t\t\ta[k] = 1;\n\t\t\t\t\ty[j] = k;\n\t\t\t\t}\n\t\t\t\tif (kl == 0)\n\t\t\t\t{\n\t\t\t\t\tk = 3;\n\t\t\t\t\ta[2] = 1;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tk = kl - bl + 1;\n\t\t\t\t}\n    \t\t\t\tfor (; k < kh; k+=2)\n\t\t\t\t\ta[k] = a[k+1] = (a[k]==0? ++c: c);\n\t\t\t}\n\t\t} // b\n\t\tans = ans + b[b1] + a[q2] - (i + 1);\n\t}\n\n\t// 3\n\ti = 0; j = P;\n\tfor (;;)\n\t{\n\t\tk = i + (j - i) / 2;\n\t\tif (k == i)\n\t\t\tbreak;\n\t\tif (p[k] > P3)\n\t\t\tn3 = n + 1;\n\t\telse\n\t\t\tn3 = (long long) p[k] * p[k] * p[k];\n\t\tif (n3 > n)\n\t\t\tj = (int) k;\n\t\telse if (n3 < n)\n\t\t\ti = (int) k;\n\t\telse \n\t\t\tbreak;\n\t}\n\tif (p[k]*p[k]*p[k]<=n)\n\t\tans += k + 1;\n\n\tprintf(\"%I64d\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "ffb7762f1d60dc3f16e9b27ea0ecdd7d"}
{"source_code": "#include<stdio.h>\n#include<stdint.h>\n#include<math.h>\n\nint main()\n{\n\tint nod,k;\n\tint64_t n,min,max,i,num,rem,s;\n\tfloat x,y;\n\n\tscanf(\"%I64d\",&n);\n\t//for(n=1;n<=200;n++){\n\tnum = n;nod=0;\n\twhile(num)\n\t{\n\t\trem = num%10;\n\t\tnum = num/10;\n\t\tnod++;\n\t}\n\t//printf(\"%d\\n\",nod);\n\n\tx = n;k = 9*(nod/2+1);\n\ty = (-k + sqrtf((k*k)+(4*x)))/2;min = y;\n\ty = (-1 + sqrtf(1+4*x))/2;max = y;\n\t\n\t//printf(\"%d %d\\n\",min,max);\n\n\t//x = n; y = sqrtf(n/2);min=y;\n\tfor(i=min;i<=max;i++)\n\t{\n\t\tnum = i; s = 0;\n\t\twhile(num)\n\t\t{\n\t\t\trem = num%10;\n\t\t\ts = s+rem;\n\t\t\tnum = num/10;\n\t\t}\n\t\t\n\t\tif(i*i + s*i == n)\t{printf(\"%I64d\\n\",i);break;}\n\t}\n\tif(i>max)\tprintf(\"-1\\n\");\n\t//}\n\treturn 0;\n}\n", "src_uid": "e1070ad4383f27399d31b8d0e87def59"}
{"source_code": "#include <stdio.h>\nchar d[3][3];\nint checkWin(char ch)\n{\n    int a = 0, b = 0, c = 0;\n    for(int i = 0; i < 3; i++)\n    {\n        if(d[i][0] == ch)\n            a++;\n        if(d[i][1] == ch)\n            b++;\n        if(d[i][2] == ch)\n            c++;\n    }\n//    if(a+b == 6 || b+c == 6 || a+c == 6)\n//        return -1;\n    if(a == 3 || b == 3 || c == 3)\n        return 1;\n    a = 0, b = 0, c = 0;\n    for(int i = 0; i < 3; i++)\n    {\n        if(d[0][i] == ch)\n            a++;\n        if(d[1][i] == ch)\n            b++;\n        if(d[2][i] == ch)\n            c++;\n    }\n//    if(a+b == 6 || b+c == 6 || a+c == 6)\n//        return -1;\n    if(a == 3 || b == 3 || c == 3)\n        return 1;\n    a = 0;\n    for(int i = 0; i < 3; i++)\n    {\n        if(d[i][i] == ch)\n            a++;\n    }\n    if(a == 3)\n        return 1;\n    a = 0;\n    for(int i = 0; i < 3; i++)\n    {\n        if(d[i][2-i] == ch)\n            a++;\n    }\n    if(a == 3)\n        return 1;\n    return 0;\n}\nint main()\n{\n//\tfreopen(\"test.txt\", \"r\", stdin);\n    int i = 0, j = 0;\n    int first = 0, second = 0;\n    char ch;\n    while((ch=getchar())!=EOF)\n    {\n        if(ch == 'X' || ch == '0' || ch == '.')\n        {\n            if(ch == 'X')\n                first++;\n            else if(ch == '0')\n                second++;\n\n            d[i][j++] = ch;\n            if(j == 3)\n                i++, j = 0;\n        }\n    }\n/*    for(int i = 0; i < 3; i++)\n    {\n        for(int j = 0; j < 3; j++)\n            putchar(d[i][j]);\n        putchar('\\n');\n    }*/\n    if(first > second+1 || first < second)\n    {\n        puts(\"illegal\");\n        return 0;\n    }\n    if(checkWin('X') == 1 && checkWin('0') == 1)\n    {\n        puts(\"illegal\");\n        return 0;\n    }\n    if(checkWin('X') < 0 || checkWin('0') < 0)\n    {\n        puts(\"illegal\");\n        return 0;\n    }\n    if(checkWin('X') == 1)\n    {\n        if(first != second+1)\n            puts(\"illegal\");\n        else\n            puts(\"the first player won\");\n        return 0;\n    }\n    if(checkWin('0') == 1)\n    {\n        if(first != second)\n            puts(\"illegal\");\n        else\n            puts(\"the second player won\");\n        return 0;\n    }\n    if(first+second == 9)\n    {\n        puts(\"draw\");\n        return 0;\n    }\n    if(first == second)\n        puts(\"first\");\n    else\n        puts(\"second\");\n}", "src_uid": "892680e26369325fb00d15543a96192c"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n\tlong int n,i,j;\n\tscanf(\"%I64d\",&n);\n\tj=n%4;\n\tif(n==0)\n\tprintf(\"1\");\n\telse{\n\t\n\tswitch(j)\n\t{\n\tcase 1:\n\tprintf(\"8\");\n\tbreak;\n\tcase 2:\n\tprintf(\"4\");\n\tbreak;\n\tcase 3:\n\tprintf(\"2\");\n\tbreak;\n\tdefault:\n\tprintf(\"6\");\n\tbreak;}\n\t}\treturn 0;\n\t\t\n\t\t\n\t\t\n\t\t\n\n}", "src_uid": "4b51b99d1dea367bf37dc5ead08ca48f"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,a[100],b,c,d,i;\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++)\n        scanf(\"%d\",&a[i]);\n        b=a[1]-a[0];\n        if(n==2)\n        {\n            d=a[1]+b;\n        }\n        else\n        {\n            for(i=1;i<n-1;i++)\n        {\n        c=a[i+1]-a[i];\n        if(c==b)\n            {d=a[i+1]+c;}\n        if(c!=b)\n        {\n            d=a[n-1];\n            break;\n        }\n        }}\n        printf(\"%d\",d);\n    return 0;\n}\n", "src_uid": "d04fa4322a1b300bdf4a56f09681b17f"}
{"source_code": "#include <stdio.h>\n\nint cmpfnc(const void *p, const void *q)\n{\n\treturn (*(int*)p - *(int*)q);\n}\n\nint main()\n{\n\tint n,d,m,sum=0;;\n\tscanf(\"%d %d\",&n,&d);\n\tint ar[n],i;\n\tfor(i=0;i<n;i++)\n\t\tscanf(\"%d \",&ar[i]);\n\tscanf(\"%d\",&m);\n\tqsort(ar,n,sizeof(int),cmpfnc);\n\n\tif(m<=n)\n\t{\n\t\tfor(i=0;i<m;i++)\n\t\t\tsum+=ar[i];\n\t}\n\telse\n\t{\n\t\tfor(i=0;i<n;i++)\n\t\t\tsum+=ar[i];\n\t\tsum-=(m-n)*d;\n\t}\n\tprintf(\"%d\",sum);\n\treturn 0;\n}", "src_uid": "5c21e2dd658825580522af525142397d"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<stdint.h>\n#include<inttypes.h>\n\ntypedef int64_t i64;\ntypedef int32_t i32;\n\nstatic void print_int(i64 n){if(n<0){putchar('-');n=-n;}if(n==0){putchar('0');return;}int s[20],len=0;while(n>0){s[len++]=n%10+'0';n/=10;}while(len>0){putchar(s[--len]);}}\nstatic i64 read_int(void){int prev='\\0';int c=getchar();while(!('0'<=c && c<='9')){prev=c;c=getchar();}i64 res=0;while('0'<=c && c<='9'){res=10*res+c-'0';c=getchar();}return prev=='-'?-res:res;}\n\nvoid run (void) {\n  i32 n = read_int();\n  i32 *dp = (i32 *) calloc (n + 3, sizeof (i32)) + 1;\n  const i32 mod = 1000000000 + 7;\n  dp[0] = 1;\n  i32 ans = 0;\n  for (i32 i = 1; i <= n; ++i) {\n    if ((i & 1) == 0) {\n      for (i32 j = i - 1; j >= 0; j -= 2) {\n\tans = (ans + dp[j]) % mod;\n      }\n    }\n    for (i32 j = i; j >= 0; j -= 2) {\n      i32 v = (dp[j - 1] + dp[j + 1]) % mod;\n      dp[j] = v;\n    }\n  }\n  for (i32 i = n - 1; i >= 0; --i) {\n    if ((i & 1) == 0) {\n      for (i32 j = i + 1; j >= 0; j -= 2) {\n\tans = (ans + dp[j]) % mod;\n      }\n    }\n    for (i32 j = i; j >= 0; j -= 2) {\n      i32 v = (dp[j - 1] + dp[j + 1]) % mod;\n      dp[j] = v;\n    }\n  }\n  print_int (ans);\n  puts (\"\");\n}\n\nint main (void) {\n  run ();\n  return 0;\n}\n", "src_uid": "8218255989e5eab73ac7107072c3b2af"}
{"source_code": "#include<stdio.h>\nint main()\n{\nint n,i;\nscanf(\"%d\",&n);\nchar ch[n+69];\nscanf(\"%s\",ch);\nint B=0,R=0,G=0;\nfor(i=0;ch[i]!='\\0';i++)\n{\nif(ch[i]=='B')\nB++;\nelse\nif(ch[i]=='R')\nR++;\nelse\nif(ch[i]=='G')\nG++\t;\t\n}\n\n//\tprintf(\"%d %d %d\\n\",G,B,R);\n\n\nif(G>0 && B>0 && R>0)\nprintf(\"BGR\\n\");\nelse\nif(G==0)\n{\nif(R==0)\nprintf(\"B\");\nelse\nif(B==0)\nprintf(\"R\");\nelse\nif(R==1 && B==1)\nprintf(\"G\");\nelse\nif(R>1 && B==1)\nprintf(\"BG\");\nelse\nif(B>1 && R==1)\nprintf(\"GR\");\nelse\nprintf(\"BGR\");\t\n}\nelse\nif(B==0)\n{\nif(G==0)\nprintf(\"R\");\nelse\nif(R==0)\nprintf(\"G\");\nelse\nif(G==1 && R==1)\nprintf(\"B\");\nelse\nif(R>1 && G==1)\nprintf(\"BG\");\nelse\nif(G>1 && R==1)\nprintf(\"BR\");\nelse\nprintf(\"BGR\");\t\n}\nelse\nif(R==0)\n{\nif(G==0)\nprintf(\"B\");\nelse\nif(B==0)\nprintf(\"G\");\nelse\nif(G==1 && B==1)\nprintf(\"R\");\nelse\nif(B>1 && G==1)\nprintf(\"GR\");\nelse\nif(G>1 && B==1)\nprintf(\"BR\");\nelse\nprintf(\"BGR\");\n}\nreturn 0;\t\n}", "src_uid": "4cedd3b70d793bc8ed4a93fc5a827f8f"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long n,m,a;\n    scanf(\"%lld%lld%lld\",&n,&m,&a);\n    long long r=n%a==0?n/a:n/a+1;\n    long long c=m%a==0?m/a:m/a+1;\n    printf(\"%lld\",r*c);\n    return 0;\n}", "src_uid": "ef971874d8c4da37581336284b688517"}
{"source_code": "#include <stdint.h>\n#include <stdio.h>\n\n#define MODULUS 1000000007\n#define _       % MODULUS\n\n#define MAX_RG  76543\n#define MAX_PR  7654\n\nint prime_ct = 0, primes[MAX_PR];\nunsigned char not_prime[MAX_RG] = { 0 };\n\nvoid sieve()\n{\n    int i, j;\n    not_prime[0] = not_prime[1] = 1;\n    for (i = 2; i < MAX_RG; ++i) {\n        if (!not_prime[i]) primes[prime_ct++] = i;\n        for (j = 0; j < prime_ct && i * primes[j] < MAX_RG; ++j)\n            not_prime[i * primes[j]] = 1;\n    }\n}\n\nint mu(int n)\n{\n    int i, ret = 1;\n    for (i = 0; i < prime_ct; ++i) {\n        if (n % primes[i] == 0) {\n            n /= primes[i];\n            ret = -ret;\n            if (n % primes[i] == 0) return 0;\n        }\n    }\n    if (n > 1) ret = -ret;\n    return ret;\n}\n\nint qpow(int base, int exp)\n{\n    int ans = 1;\n    for (; exp; exp >>= 1, base = ((int64_t)base * base)_)\n        if (exp & 1) ans = ((int64_t)ans * base)_;\n    return ans;\n}\n\nint count_seqs(int sum, int gcd_mul)\n{\n    if (sum % gcd_mul != 0) return 0;\n    return qpow(2, sum / gcd_mul - 1);\n}\n\nint main()\n{\n    int x, y;\n    scanf(\"%d%d\", &x, &y);\n\n    if (y % x != 0) { puts(\"0\"); return 0; }\n    y /= x;\n\n    sieve();\n\n    int64_t ans = 0;\n    int i;\n    for (i = 1; i * i <= y; ++i) if (y % i == 0) {\n        ans += count_seqs(y, i) * mu(i);\n        if (i * i != y)\n            ans += count_seqs(y, y / i) * mu(y / i);\n    }\n\n    printf(\"%I64d\\n\", (ans _ + MODULUS)_);\n\n    return 0;\n}\n", "src_uid": "de7731ce03735b962ee033613192f7bc"}
{"source_code": "/**\n* I'm sorry I was an Idiot\n*/\n#include<stdio.h>\n#include<string.h>\n#include<limits.h>\n#define max(x,y)(x > y? x:y)\n\nint memo[16][360];\nint N;\nint nums[16];\n\nint solve(int toTake,int sum){\n\tif(toTake == N){\n\t\tif(sum == 0)\n\t\t\treturn 1;\n\t\telse\n\t\t\treturn INT_MIN;\n\t}\n\tint neSum1 = sum +nums[toTake];\n\tint neSum2 = sum - nums[toTake];\n\tif(neSum1 >= 360)\n\t\tneSum1 -= 360;\n\tif(neSum2 < 0)\n\t\tneSum2 += 360;\n\treturn memo[toTake][sum] = max(solve(toTake+1,neSum1),solve(toTake+1,neSum2));\n}\n\nint main(){\n\t//puts(\"lil\");\n\tscanf(\" %d\",&N);\n\tmemset(memo,0,sizeof(memo));\n\tfor(int i = 0; i < N;++i){\n\t\tscanf(\" %d\",&nums[i]);\n\t}\n\tint ans = solve(0,0);\n\tif(ans < 0)\n\t\tputs(\"NO\");\n\telse\n\t\tputs(\"YES\");\n\treturn 0;\n}", "src_uid": "01b50fcba4185ceb1eb8e4ba04a0cc10"}
{"source_code": "#include<stdio.h>\nmain()\n{\n    int i,j,k,l,a,c=0,b,s=0,f=1,g=1;\n    char p[100],q[100];\n    gets(p);\n    l=strlen(p);\n    for(i=0;i<l;i++)\n        c=c+p[i];\n    for(i=0;i<l;i++)\n        q[i]=p[i];\n    q[i]='\\0';\n    if(l==1)\n        printf(\"%c\",p[0]);\n    else if(p[1]=='9')\n    {\n        for(i=2;i<l;i++)\n        if(p[i]!='9')\n        {\n           g=0;\n        }\n        if(g==0)\n        {\n        for(i=2;i<l;i++)\n        {\n            if(p[i]=='9')\n                p[i-1]='9';\n            else\n               {\n            p[i-1]='8';\n            break;}\n        }\n        for(j=i;j<l;j++)\n            p[j]='9';\n        //p[1]='8';\n        //for(i=2;i<l;i++)\n           // p[i]='9';\n        p[j]='\\0';\n        for(i=0,s=0;i<l;i++)\n            s=s+p[i];\n        if(s==c)\n            printf(\"%s\",q);\n        else\n        printf(\"%s\",p);\n        }\n        else\n        {\n            printf(\"%s\",q);\n        }\n    }\n    else\n    {\n    for(i=1;i<l;i++)\n        if(p[i]!='9')\n    {\n        f=0;\n        break;\n    }\n    if(f==1)\n    {\n        printf(\"%s\",p);\n    }\n    else\n    {\n        for(i=l-1;i>0;i--)\n        {\n            p[i]='9';\n        }\n        p[0]=p[0]-1;\n        for(i=0;i<l;i++)\n            s=s+p[i];\n    if(c==s)\n        printf(\"%s\",q);\n    else\n        //printf(\"%c\",p[0]);\n        {\n        for(i=0;i<l;i++)\n            if(p[i]!='0')\n            printf(\"%c\",p[i]);\n        }\n    }\n    }\n}\n", "src_uid": "e55b0debbf33c266091e6634494356b8"}
{"source_code": "#include<stdio.h>\n\nint main() {\n\tlong long n, b;\n\tscanf(\"%lld%lld\", &n, &b);\n\tlong long ans = 1000000000000000000;\n\tfor( long long i=2, p, l, tn, cans; i*i <= b; ++i ) {\n\t\tif( b%i )\n\t\t\tcontinue;\n\t\tfor( l=0, p=1; b%i == 0 ; b /= i )\n\t\t\tl++;\n\t\tcans = 0;\n\t\tfor( tn=n/i; tn; tn /= i ) cans += tn;\n\t\tif( cans/l < ans )\n\t\t\tans = cans/l;\n\t}\n\tif( b != 1 ) {\n\t\tlong long cans = 0;\n\t\tfor( long long tn=n/b; tn; tn /= b ) cans += tn;\n\t\tif( cans < ans )\n\t\t\tans = cans;\t\t\n\t}\n\tprintf(\"%lld\\n\", ans);\n}", "src_uid": "491748694c1a53771be69c212a5e0e25"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#define MAXN 23333\n#define MAXELEM 308\n\nint n, t;\nint a[MAXN];\n\n// Calculate the longest non-decreasing sequence\n// Time complexity: O(n log n)\nint *lnds(int *a, int n)\n{\n    int *ret = (int *)malloc(n * sizeof(int));\n    int a_with_f[MAXN], maxlen = 1;\n    ret[0] = 1;\n    a_with_f[0] = -1;\n    a_with_f[1] = a[0];\n    int lo, hi, mid, i;\n    for (i = 1; i < n; ++i) {\n        if (a[i] >= a_with_f[maxlen]) {\n            a_with_f[++maxlen] = a[i];\n        } else {\n            lo = 0, hi = maxlen;\n            while (lo < hi - 1) {\n                mid = (lo + hi) / 2;\n                if (a[i] >= a_with_f[mid]) lo = mid;\n                else hi = mid;\n            }\n            a_with_f[lo + 1] = a[i];\n        }\n        ret[i] = maxlen;\n    }\n    return ret;\n}\n\nint main()\n{\n    scanf(\"%d%d\", &n, &t);\n    int i;\n    for (i = 0; i < n; ++i) scanf(\"%d\", &a[i]);\n    if (t <= 233) {\n        for (i = n; i < n * t; i += n)\n            memcpy(a + i, a, n * sizeof(int));\n        int *first_part = lnds(a, n * t);\n        printf(\"%d\\n\", first_part[n * t - 1]);\n    } else {\n        for (i = n; i < n * 233; i += n)\n            memcpy(a + i, a, n * sizeof(int));\n        int *first_part = lnds(a, n * 233);\n        int count[MAXELEM] = { 0 }, maxcount = 0;\n        for (i = 0; i < n; ++i) ++count[a[i]];\n        for (i = 0; i < MAXELEM; ++i) if (maxcount < count[i]) maxcount = count[i];\n        for (i = 0; i < n * 233; i += n)\n            if (first_part[i + n] - first_part[i] == maxcount) break;\n        i /= n;\n        // assert(i == 1)?\n        printf(\"%d\\n\", first_part[i * n + n - 1] + (t - i - 1) * maxcount);\n    }\n    return 0;\n}\n", "src_uid": "26cf484fa4cb3dc2ab09adce7a3fc9b2"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main()\n{\n    char s[3],t[3],xy,yx;\n    int a,b,c,d,x,i=0;\n    gets(s);\n    gets(t);\n    xy=s[0];\n    a=s[1];\n    yx=t[0];\n    b=t[1];\n    c=abs(xy - yx);\n    d=abs(a-b);\n    if(c>d){\n        printf(\"%d\\n\",c);\n        x=c;\n    }\n    else{\n        printf(\"%d\\n\",d);\n        x=d;\n    }\n    while(i<=x)\n    {\n        if(xy<yx)\n        {\n        if(a<b)\n        {\n            printf(\"RU\\n\");\n            a++;\n            xy++;\n        }\n        else if(a>b)\n        {\n            printf(\"RD\\n\");\n            a--;\n            xy++;\n        }\n        else\n        {\n            printf(\"R\\n\");\n            xy++;\n        }\n        i++;\n        }\n        else if(xy>yx){\n           if(a<b)\n        {\n            printf(\"LU\\n\");\n            a++;\n            xy--;\n        }\n        else if(a>b)\n        {\n            printf(\"LD\\n\");\n            a--;\n            xy--;\n        }\n        else\n        {\n            printf(\"L\\n\");\n            xy--;\n        }\n        i++;\n        }\n        else{\n            if(a<b)\n            {\n                printf(\"U\\n\");\n                a++;\n            }\n            else if(a>b){\n                printf(\"D\\n\");\n                a--;\n            }\n            i++;\n        }\n    }\n\n}\n", "src_uid": "d25d454702b7755297a7a8e1f6f36ab9"}
{"source_code": "#include <stdio.h>\nint main(){\n    long long n,l,r;\n    scanf(\"%lli %lli %lli\",&n,&l,&r);\n    long long min;\n    if(l>1) min = (n-l)+((1<<l)-1);\n    else min = n;\n    long long max = 1;\n    if(r>=n){\n        max = (1<<n)-1;\n    }\n    else{\n        max = (1<<r)-1;\n        n -= r;\n        r--;\n        max += n*(1<<r);\n    }\n    printf(\"%lli %lli\",min,max);\n    return 0;\n}", "src_uid": "ce220726392fb0cacf0ec44a7490084a"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    int t;\n    scanf(\"%d\", &t);\n    while(t--)\n    {\n        int x, y = 0, le = 0, k = 0;\n        \n        scanf(\"%d\", &x);\n        \n        while(x > 0)\n        {\n            le++;\n            y = x % 10;\n            x = x / 10;\n        }\n        k = (y - 1) * 10;\n        \n        for(int i = 1; i <= le; i++)\n        {\n            k += i;\n        }\n        printf(\"\\n %d\", k);\n    }\n\n    return 0;\n}\n", "src_uid": "289a55128be89bb86a002d218d31b57f"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#define mod 12345\n\nint a[27],v[27],p[1001],num[1001],mat[123][123],one[123][123],tmp[123][123];\nchar str[15];\nint s=1;\n\nvoid mi(long long a)\n{\n   int i,j,k;\n   if (!a)\n      for (i=0;i<s;i++)\n         mat[i][i]=1;\n   else\n   {\n      mi(a>>1);\n      memset(tmp,0,sizeof(tmp));\n      for (i=0;i<s;i++)\n         for (j=0;j<s;j++)\n            for (k=0;k<s;k++)\n               tmp[i][j]=(mat[i][k]*mat[k][j]+tmp[i][j])%mod;\n      for (i=0;i<s;i++)\n         for (j=0;j<s;j++)\n            mat[i][j]=tmp[i][j];\n      if (a&1)\n      {\n         memset(tmp,0,sizeof(tmp));\n         for (i=0;i<s;i++)\n            for (j=0;j<s;j++)\n               for (k=0;k<s;k++)\n                  tmp[i][j]=(mat[i][k]*one[k][j]+tmp[i][j])%mod;\n         for (i=0;i<s;i++)\n            for (j=0;j<s;j++)\n               mat[i][j]=tmp[i][j];\n      }\n   }\n}\n\nint main()\n{\n   long long n;\n   int i,j,k,c,t,ans=0;\n   scanf(\"%I64d%d\",&n,&c);\n   if (c)\n      getchar();\n   for (i=1;i<=c;i++)\n   {\n      gets(str+1);\n      p[i]=str[1]-'A'+1;\n      v[str[1]-'A'+1]=1;\n      for (j=3;str[j]>='0'&&str[j]<='9';j++)\n         num[i]=num[i]*10+str[j]-'0';\n      s*=num[i];\n   }\n   for (i=1;i<=c;i++)\n      v[p[i]]*=num[i];\n   for (i=0;i<s;i++)\n   {\n      t=i;\n      for (j=1;j<=26;j++)\n         if (v[j])\n         {\n            a[j]=t%v[j];\n            t/=v[j];\n         }\n      t=1;\n      for (j=1;j<=26;j++)\n         if (v[j])\n         {\n            if (a[j]==v[j]-1)\n               one[i][i-a[j]*t]++;\n            else\n               one[i][i+t]++;\n            t*=v[j];\n         }\n   }\n   mi(n);\n   for (i=0;i<s;i++)\n   {\n      t=i;\n      for (j=1;j<=26;j++)\n         if (v[j])\n         {\n            a[j]=t%v[j];\n            t/=v[j];\n            for (k=1;k<=c&&(p[k]!=j||a[j]%num[k]);k++);\n            if (k>c)\n               break;\n         }\n      if (j>26)\n         ans=(ans+mat[0][i])%mod;\n   }\n   printf(\"%d\\n\",ans);\n   return 0;\n}\n", "src_uid": "76d4684d26dac380713a566a1e277c91"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n\ntypedef long long int int64;\n\n#define MAX(a,b) ((a)>(b)?(a):(b))\n#define MIN(a,b) ((a)<(b)?(a):(b))\n#define ABS(a) ((a)>(0)?(a):-(a))\n\nvoid factorize(int64 n,int64 *f,int *resLen){\n  f[0]=1;\n  int len=1;\n  int64 k;\n  for(k=2;k*k<=n;k++){\n    if(n%k==0){\n      int c=0;\n      while(n%k==0){\n\tc++;\n\tn/=k;\n      }\n      int64 mul;\n      int i;\n      for(i=1,mul=k;i<=c;i++,mul*=k){\n\tint j;\n\tfor(j=0;j<len;j++){\n\t  f[i*len+j]=f[j]*mul;\n\t}\n      }\n      len*=c+1;\n    }\n  }\n  if(n>1){\n    int i;\n    for(i=0;i<len;i++){\n      f[len+i]=f[i]*n;\n    }\n    len*=2;\n  }\n  *resLen=len;\n  return;\n}\n\nint cmp(const void *a,const void *b){\n  int64 p=*(int64 *)a;\n  int64 q=*(int64 *)b;\n  return p==q?0:p-q<0?-1:1;\n}\n\nvoid run(void){\n  int64 a,b;\n  scanf(\"%lld%lld\",&a,&b);\n  int64 factorA[20000];\n  int lenA=0;\n  factorize(a,factorA,&lenA);\n  int64 factorB[20000];\n  int lenB=0;\n  factorize(b,factorB,&lenB);\n  int64 s=a+b;\n  int64 factorS[40000];\n  int lenS=0;\n  factorize(s,factorS,&lenS);\n  qsort(factorA,lenA,sizeof(int64),cmp);\n  qsort(factorB,lenB,sizeof(int64),cmp);\n  qsort(factorS,lenS,sizeof(int64),cmp);\n  /*\n  {\n  int i;\n  printf(\"%lld : \",a);for(i=0;i<lenA;i++) printf(\"%lld \",factorA[i]);printf(\"\\n\");\n  printf(\"%lld : \",b);for(i=0;i<lenB;i++) printf(\"%lld \",factorB[i]);printf(\"\\n\");\n  printf(\"%lld : \",s);for(i=0;i<lenS;i++) printf(\"%lld \",factorS[i]);printf(\"\\n\");\n  }\n  */\n  int ai=0;\n  int bi=0;\n  int64 min=2*a+2*b+2;\n  int i;\n  for(i=0;i<=(lenS+1)/2 && factorS[i]*factorS[i]<=s;i++){\n    int64 r=factorS[i];\n    while(ai<lenA && factorA[ai]<=r) ai++;\n    while(bi<lenB && factorB[bi]<=r) bi++;\n    if(s/r>=a/factorA[ai-1] || s/r>=b/factorB[bi-1]){\n      min=2*(r+s/r);\n    }\n  }\n  printf(\"%lld\\n\",min);\n}\n\nint main(void){\n  run();\n  return 0;\n}\n", "src_uid": "7d0c5f77bca792b6ab4fd4088fe18ff1"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\nint main()\n{\n    int x1,x2,y1,y2;\n    while(~scanf(\"%d%d%d%d\",&x1,&y1,&x2,&y2))\n    {\n        int n1,n2,n3,tmp1,tmp2;\n        printf(\"%d \",!(!abs(x1-x2))+!(!abs(y1-y2)));\n        tmp1 = abs(x1-x2);\n        tmp2 = abs(y1-y2);\n        if((abs(tmp1-tmp2))%2!=0&&abs(tmp1-tmp2)>0)\n            printf(\"0 \");\n        else \n        {\n            if(tmp1==tmp2)\n                printf(\"1 \");\n            else \n                printf(\"2 \");\n        }\n        printf(\"%d\\n\",tmp1>tmp2?tmp1:tmp2);\n    }\n}\n", "src_uid": "7dbf58806db185f0fe70c00b60973f4b"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\ntypedef long long unsigned llu;\ntypedef unsigned u;\nint cmp(const void*x,const void*y)\n{\n\tif(*(llu*)x>*(llu*)y)return 1;\n\tif(*(llu*)x<*(llu*)y)return-1;\n\treturn 0;\n}\nllu Ps[78499];\nu P[78499],S[15626],Pi;\nu DC(llu x)\n{\n\tu i,r=0;\n\tfor(i=-1;Ps[++i]<=x;)while(x%P[i]==0){++r;x/=P[i];}\n\treturn r+(x>1);\n}\nllu A[9],B[9];u D[9],n,r,N[9];\nvoid R(u deep)\n{\n\tu i,j,k;\n\tfor(i=deep;++i<n;)\n\t{\n\t\tif(B[i]%A[deep]==0)\n\t\t{\n\t\t\tB[i]/=A[deep];\n\t\t\tN[deep]=i;\n\t\t\tR(deep+1);\n\t\t\tB[i]*=A[deep];\n\t\t}\n\t}\n\tif(deep==n)\n\t{\n\t\tfor(j=k=0,i=-1;++i<n;)\n\t\t{\n\t\t\tj+=(D[i]>1);\n\t\t\tif(N[i]==i){j+=D[i];++k;}\n\t\t}\n\t\tj+=(k>1);\n\t\tif(r>j)r=j;\n\t}\n\telse{N[deep]=deep;R(deep+1);}\n\treturn;\n}\nint main()\n{\n\tu x,y,z,i,j;r=-1u;\n\tfor(x=5,z=4;x<=1000;z^=6,x+=z)\n\t{\n\t\tif((S[x>>6]>>((x>>1)&31))&1)continue;\n\t\tfor(y=x*x,n=z>>1;y<=1000000;n^=3,y+=x<<n)S[y>>6]|=1<<((y>>1)&31);\n\t}\n\tPs[Pi]=4;P[Pi++]=2;Ps[Pi]=9;P[Pi++]=3;\n\tfor(x=5,z=4;x<=1000000;z^=6,x+=z)\n\t{\n\t\tif((S[x>>6]>>((x>>1)&31))&1)continue;\n\t\tPs[Pi]=x*(llu)x;P[Pi++]=x;\n\t}\n\tP[Pi]=i=-1u;Ps[Pi]=-1llu;\n\tfor(scanf(\"%u\",&n);++i<n;)scanf(\"%I64u\",A+i);\n\tqsort(A,n,sizeof(llu),cmp);\n\tfor(i=j=0;++i<n;)if(A[i]!=A[j])A[++j]=A[i];n=j+1;\n\tfor(i=-1;++i<n;)D[i]=DC(B[i]=A[i]);\n\tR(0);\n\tprintf(\"%u\\n\",r);\n\treturn 0;\n}\n", "src_uid": "52b8b6c68518d5129272b8c56e5b7662"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nint main()\n{\n\tint n,i;\n\tscanf(\"%d\",&n);\n\tint a[n];\n\tfor(i=0;i<n;i++)\n\t{\n\t\tscanf(\"%d\",&a[i]);\n\t}\n\tif(n==1&&a[n-1]!=15&&a[n-1]!=0)\n\t{\n\t\tprintf(\"-1\");\n\t\texit(0);\n\t}\n\tif(a[n-1]!=15&&a[n-1]!=0)\n\t{\n\t\tif(a[n-1]>a[n-2])\n\t\t\tprintf(\"UP\");\n\t\telse\n\t\t\tprintf(\"DOWN\");\n\t}\n\telse if(a[n-1]==15)\n\t\tprintf(\"DOWN\");\n\telse\n\t\tprintf(\"UP\");\n}\n\n", "src_uid": "8330d9fea8d50a79741507b878da0a75"}
{"source_code": "#include \"stdio.h\"\n\nint main(){\nint i,j,c1,c2,c3,c4,b=1;\nscanf(\"%d%d%d%d\",&c1,&c2,&c3,&c4);\nif(c1!=c4) b=0;\nif(c3!=0&&c1==0&&c4==0) b=0;\nif(b) printf(\"1\");\nelse printf(\"0\");\n\n}\n", "src_uid": "b99578086043537297d374dc01eeb6f8"}
{"source_code": "#include<math.h>\n#include<time.h>\n#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#define oo 1000000000\n#define pi 3.14159265359\n#define zero(a) (abb(a)<=1e-7)\n#define lowbit(a) ((a)&(-(a)))\n#define min(a,b) ((a)<(b)?(a):(b))\n#define max(a,b) ((a)>(b)?(a):(b))\n#define abb(a) ((a)>0?(a):(-(a)))\n#define cj(x1,y1,x2,y2) ((x1)*(y2)-(x2)*(y2))\n#define dj(x1,y1,x2,y2) ((x1)*(y1)+(y1)*(y2))\n#define dis(x1,y1,x2,y2) sqrt(((x2)-(x1))*((x2)-(x1))+((y2)-(y1))*((y2)-(y1)))\n\nlong head[27001]={0},e[1000001]={0},next[1000001]={0},num[27001]={0},p[2][27001]={0};\nchar rec[27001][35]={0},str[31][35]={0},tmp[35]={0},flag[27001]={0},visit[27001]={0};\nlong tot=1,totm=0;\n\nvoid add(long a,long b)\n{\n   e[++totm]=b;\n   next[totm]=head[a];\n   head[a]=totm;\n}\n\nvoid qs(long x,long y)\n{\n   long i=x,j=y;\n   char t[35];\n   strcpy(t,rec[(x+y)>>1]+1);\n   if (x>=y)\n      return;\n   strcpy(rec[(x+y)>>1]+1,rec[x]+1);\n   while (i<j)\n   {\n      while (i<j&&strcmp(rec[j]+1,t)>0)\n         j--;\n      if (i<j)\n         strcpy(rec[i++]+1,rec[j]+1);\n      while (i<j&&strcmp(rec[i]+1,t)<0)\n         i++;\n      if (i<j)\n         strcpy(rec[j--]+1,rec[i]+1);\n   }\n   strcpy(rec[i]+1,t);\n   qs(x,i-1);\n   qs(i+1,y);\n}\n\nvoid find(long x)\n{\n   long l=0,r=tot,m;\n   while (l<r-1)\n   {\n      m=(l+r)>>1;\n      if (strcmp(rec[m]+1,tmp+1)>=0)\n         r=m;\n      else\n         l=m;\n   }\n   if (!strcmp(rec[r]+1,tmp+1))\n      add(x,r);\n}\n\nvoid dfs(long now)\n{\n   long i;\n   visit[now]=1;\n   p[0][now]=p[1][now]=flag[now]=0;\n   for (i=head[now];i;i=next[i])\n   {\n      if (!visit[e[i]])\n         dfs(e[i]);\n      if (!flag[e[i]]&&!flag[now]||!flag[e[i]]==flag[now]&&p[1][e[i]]+num[e[i]]>p[0][now]||!flag[e[i]]==flag[now]&&p[1][e[i]]+num[e[i]]==p[0][now]&&p[0][e[i]]<p[1][now])\n      {\n         flag[now]=!flag[e[i]];\n         p[0][now]=p[1][e[i]]+num[e[i]];\n         p[1][now]=p[0][e[i]];\n      }\n   }\n}\n\nint main()\n{\n   long i,j,k,l,n,len,s,m;\n   scanf(\"%ld\\n\",&n);\n   for (i=1;i<=n;i++)\n   {\n      gets(str[i]+1);\n      len=strlen(str[i]+1);\n      for (j=1;j<=len;j++)\n         for (k=j;k<=len;k++)\n         {\n            tot++;\n            for (l=1;l<=k-j+1;l++)\n               rec[tot][l]=str[i][j+l-1];\n         }\n   }\n   qs(1,tot);\n   for (i=1;i<=tot;i++)\n   {\n      s=m=0;\n      for (j=1;rec[i][j];j++)\n      {\n         s+=rec[i][j]-'a'+1;\n         m=max(m,rec[i][j]-'a'+1);\n      }\n      num[i]=s*m;\n      for (j=1;j<=n;j++)\n         if (strstr(str[j]+1,rec[i]+1)!=NULL)\n            num[i]++;\n      len=strlen(rec[i]+1);\n      strcpy(tmp+2,rec[i]+1);\n      for (j=1;j<=26;j++)\n      {\n         tmp[1]='a'+j-1;\n         find(i);\n      }\n      strcpy(tmp+1,rec[i]+1);\n      for (j=1;j<=26;j++)\n      {\n         tmp[len+1]='a'+j-1;\n         find(i);\n      }\n   }\n   dfs(1);\n   printf(\"%s\\n%ld %ld\\n\",flag[1]?\"First\":\"Second\",p[0][1],p[1][1]);\n   return 0;\n}\n", "src_uid": "d0f8976d9b847f7426dc56cb59b5b5b9"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\nint table[2][3000][3000];\nlong long g, x, y, z;\n#define MAXINT 0x7fffffff\n\nint nextg(){\n\tint ret=g;\n\tg=(g*x+y)%z;\n\treturn ret;\n}\n\nint min(int a, int b){\n\treturn a<b?a:b;\n}\n\nint msb(int a){\n\ta|=a>>1;\n\ta|=a>>2;\n\ta|=a>>4;\n\ta|=a>>8;\n\ta|=a>>16;\n\treturn (a+1)>>1;\n}\n\nint main(){\n\tint i, j, k, n, m, a, b, tren=0, prev, l;\n\tlong long sum=0;\n\tscanf(\"%d %d %d %d %I64d %I64d %I64d %I64d\", &n, &m, &a, &b, &g, &x, &y, &z);\n\tfor(i=0;i<n;++i)\n\t\tfor(j=0;j<m;++j)\n\t\t\ttable[0][i][j]=nextg();\n\tfor(k=0;(1<<k)<msb(a);++k){\n\t\tprev=k&1;\n\t\ttren=!prev;\n\t\tfor(i=0;i+(1<<k)<n;++i){\n\t\t\tfor(j=0;j<m;++j){\n\t\t\t\ttable[tren][i][j]=min(table[prev][i][j], table[prev][i+(1<<k)][j]);\n\t\t\t}\n\t\t}\n\t}\n\tfor(l=0;(1<<l)<msb(b);++l){\n\t\tprev=(l+k)&1;\n\t\ttren=!prev;\n\t\tfor(i=0;i+(1<<k>>1)<n;++i){\n\t\t\tfor(j=0;j+(1<<l)<m;++j){\n\t\t\t\ttable[tren][i][j]=min(table[prev][i][j], table[prev][i][j+(1<<l)]);\n\t\t\t}\n\t\t}\n\t}\n\tfor(i=0;i+a-1<n;++i){\n\t\tfor(j=0;j+b-1<m;++j){\n\t\t\tsum+=(long long)(min(min(min(\n\t\t\t\t\t\t\t\ttable[tren][i][j],\n\t\t\t\t\t\t\t\ttable[tren][i+(a^msb(a))][j]),\n\t\t\t\t\t\t\t\ttable[tren][i][j+(b^msb(b))]),\n\t\t\t\t\t\t\t\ttable[tren][i+(a^msb(a))][j+(b^msb(b))]));\n\t\t}\n\t}\n\tprintf(\"%I64d\\n\", sum);\n\treturn 0;\n}\n", "src_uid": "4618fbffb2b9d321a6d22c11590a4773"}
{"source_code": "#include<stdio.h>\nmain()\n{\n    int s,v1,v2,t2,t1,a,b,c,d;\n    while(scanf(\"%d%d%d%d%d\",&s,&v1,&v2,&t1,&t2)!=EOF)\n    {\n        a=(s*v1)+(2*t1);\n        b=(s*v2)+(2*t2);\n        if(a>b)\n        printf(\"Second\\n\");\n        else if(a<b)\n            printf(\"First\\n\");\n        else\n            printf(\"Friendship\\n\");\n    }\n    return 0;\n}\n", "src_uid": "10226b8efe9e3c473239d747b911a1ef"}
{"source_code": "#include<stdio.h>\nmain(){\n    char s[]=\"GBIV\";\n    int n,i=0;\n    scanf(\"%d\",&n);\n    printf(\"ROY\");\n    while(i<n-3) {putchar(s[i%4]);i++;}\n    return 0;\n}\n", "src_uid": "dc3817c71b1fa5606f316e5e94732296"}
{"source_code": "#define rep(v, a, b) for (v = (a); v <= (b); v++)\n#define repi(n) for (i = 0; i < (n); i++)\n#define repj(n) for (j = 0; j < (n); j++)\n#define repk(n) for (k = 0; k < (n); k++)\n\n#include <stdio.h>\n#include <string.h>\n\n\nint main()\n{\n\tint i, j, k, len, max = 0;\n\tchar str[110];\n\n\tscanf(\"%s\", str);\n\tlen = strlen(str);\n\trepi(len) rep(j, i+1, len-1)\n\t{\n\t\tk = 0;\n\t\twhile (k < len && str[i+k] == str[j+k]) k++;\n\t\tif (max < k) max = k;\n\t}\n\tprintf(\"%d\\n\", max);\n\treturn 0;\n}\n", "src_uid": "13b5cf94f2fabd053375a5ccf3fd44c7"}
{"source_code": "#include <stdio.h>\n#include <math.h>\nint main(){\n\tint x,y,n;\n\tscanf(\"%d %d %d\\n\",&x,&y,&n);\n\tdouble res = (double)0/1, input = (double)x/y;\n\tint a = 0, b = 1;\n\tint num = 0;\n\tint i;\n\tfor(i = 1; i <= n; i++){\n\t\twhile(1){\n\t\t\tdouble cur = (double)num/i;\n\t\t\tif(fabs(cur-input) < fabs(res-input)){\n\t\t\t\tres = cur;\n\t\t\t\ta = num;\n\t\t\t\tb = i;\n\t\t\t}\n\t\t\tif(num <= x && fabs((double)(num+1)/i - input) < fabs(cur-input) ){\n\t\t\t\tnum++;\n\t\t\t}\n\t\t\telse{\tbreak;\t}\n\t\t}\n\n\t}\n\tprintf(\"%d/%d\\n\",a,b);\n\n\treturn 0;\n}\n", "src_uid": "827bc6f120aff6a6f04271bc84e863ee"}
{"source_code": "#include <stdio.h>\nlong long n,res,a=1;\nint main()\n{\n\tfor (scanf(\"%I64d\",&n);a<n;res+=(n-1)/a*(a-(a>>1)),a<<=1ll);\n\tprintf(\"%I64d\\n\",res);\n\treturn 0;\n}", "src_uid": "a98f0d924ea52cafe0048f213f075891"}
{"source_code": "#define _USE_MATH_DEFINES\n#include <stdio.h>\n#include <math.h>\n#include <stdlib.h>\n#include <string.h>\n#include <ctype.h>\n#include <stdbool.h>\n#include <float.h>\n#include <limits.h>\n#include <malloc.h>\n#include <memory.h>\n#include <complex.h>\n#include <errno.h>\n#include <time.h>\nint n,m,i,j,k,min,ans[25],f[25],s,l,t[25];\nstruct u\n{\n\tint a,b;\n}a[25],b[25];\n\n\nint main()\n{\n\tscanf(\"%d %d\",&n,&m);\n\tfor (i=1;i<=n;i++) scanf(\"%d %d\",&a[i].a,&a[i].b);\n\tfor (i=1;i<=m;i++) scanf(\"%d %d\",&b[i].a,&b[i].b);\n\tmemset(ans,0,sizeof(ans));\n\tfor (i=1;i<=n;i++) \n\t{\n\t\tfor (j=1;j<=9;j++) t[j]=ans[j];\n\t\tfor (j=1;j<=m;j++)\n\t\t{\n\t\t\tmemset(f,0,sizeof(f));\n\t\t\tf[a[i].a]++;\n\t\t\tf[a[i].b]++;\n\t\t\tf[b[j].a]++;\n\t\t\tf[b[j].b]++;\n\t\t\tfor (l=1,s=0;l<=9;l++)\n\t\t\tif (f[l]) \n\t\t\t{\n\t\t\t\ts++;\n\t\t\t\tif (f[l]==2) k=l;\n\t\t\t}\n\t\t\tif (s==3) ans[k]++;\n\t\t}\n\t\tmemset(f,0,sizeof(f));\n\t\tfor (j=1,s=0;j<=9;j++) \n\t\tif (t[j]<ans[j]) s++;\n\t\tif (s>1) \n\t\t{\n\t\t\tputs(\"-1\");\n\t\t\texit(0);\n\t\t}\n\t}\n\tmemset(ans,0,sizeof(ans));\n\tfor (i=1;i<=m;i++) \n\t{\n\t\tfor (j=1;j<=9;j++) t[j]=ans[j];\n\t\tfor (j=1;j<=n;j++)\n\t\t{\n\t\t\tmemset(f,0,sizeof(f));\n\t\t\tf[a[j].a]++;\n\t\t\tf[a[j].b]++;\n\t\t\tf[b[i].a]++;\n\t\t\tf[b[i].b]++;\n\t\t\tfor (l=1,s=0;l<=9;l++)\n\t\t\tif (f[l]) \n\t\t\t{\n\t\t\t\ts++;\n\t\t\t\tif (f[l]==2) k=l;\n\t\t\t}\n\t\t\tif (s==3) ans[k]++;\n\t\t}\n\t\tfor (j=1,s=0;j<=9;j++) \n\t\tif (t[j]<ans[j]) s++;\n\t\tif (s>1) \n\t\t{\n\t\t\tputs(\"-1\");\n\t\t\texit(0);\n\t\t}\n\t}\n\tmemset(f,0,sizeof(f));\n\tfor (i=1,s=0;i<=9;i++) \n\tif (ans[i]) \n\t{\n\t\ts++;\n\t\tk=i;\n\t}\n\tif (s==0) puts(\"-1\");\n\telse if (s==1) printf(\"%d\\n\",k);\n\telse puts(\"0\");\n\treturn 0;\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n", "src_uid": "cb4de190ae26127df6eeb7a1a1db8a6d"}
{"source_code": "# include <stdio.h>\nint main()\n{\n    int n, m, x, y, min;\n    while(scanf(\"%d%d\", &n, &m) != EOF)\n    {\n        min = n < m ? n : m;\n        x = (m + n) / 3;\n        y = x < min ? x : min;\n        printf(\"%d\\n\", y);\n    }\n    return 0;\n}\n\n\n                                                                                                                                 ", "src_uid": "0718c6afe52cd232a5e942052527f31b"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\nint cmpfunc(const void *a,const void *b){\n    return *(int*)a-*(int*)b;\n}\nint main()\n{\n    char a[3],b[3],c[3];\n    scanf(\"%s%s%s\",a,b,c);\n    int a1[3];\n    a1[0]=(int)a[0]-48;\n    a1[1]=(int)b[0]-48;\n    a1[2]=(int)c[0]-48;\n    qsort(a1,3,sizeof(int),cmpfunc);\n    if(a[1]!=b[1] && a[1]!=c[1] && b[1]!=c[1]){\n        printf(\"2\");exit(0);\n    }\n    else{\n        if(a[1]==b[1] && a[1]==c[1]){\n            if(a1[0]==a1[1] && a1[1]==a1[2]){\n                printf(\"0\");exit(0);\n            }\n            else if(a1[1]-a1[0]==1 && a1[2]-a1[1]==1){printf(\"0\");exit(0);}\n            else if(a1[0]==a1[1] || a1[1]==a1[2]){printf(\"1\");exit(0);}\n            else if(a1[1]-a1[0]==1 || a1[2]-a1[1]==2 || a1[1]-a1[0]==2 || a1[2]-a1[1]==1){printf(\"1\");exit(0);}\n            else {printf(\"2\");exit(0);}\n        }\n        else if(a[1]==b[1]){\n            if((int)a[0]==(int)b[0] || abs((int)a[0]-(int)b[0])==1 || abs((int)a[0]-(int)b[0])==2){printf(\"1\");exit(0);}\n            else {printf(\"2\");exit(0);}\n        }\n        else if(a[1]==c[1]){\n            if((int)a[0]==(int)c[0] || abs((int)a[0]-(int)c[0])==1 || abs((int)a[0]-(int)c[0])==2){printf(\"1\");exit(0);}\n            else {printf(\"2\");exit(0);}\n        }\n        else{\n            if((int)c[0]==(int)b[0] || abs((int)c[0]-(int)b[0])==1 || abs((int)c[0]-(int)b[0])==2){printf(\"1\");exit(0);}\n            else {printf(\"2\");exit(0);}\n        }\n\n    }\n    return 0;\n}\n", "src_uid": "7e42cebc670e76ace967e01021f752d3"}
{"source_code": "#include <stdio.h>\r\n\r\nint a[128], mem[128][204800];\r\n\r\nint main(void) {\r\n    int n, s = 0;\r\n    scanf(\"%d\", &n);\r\n    for (int i = 1; i <= n; i++) {\r\n        scanf(\"%d\", &a[i]);\r\n    }\r\n    mem[0][0] = 1;\r\n    for (int i = 1; i <= n; i++) {\r\n        s += a[i];\r\n        for (int j = 0; j <= s; j++) {\r\n            if (j >= a[i] && mem[i - 1][j - a[i]]) mem[i][j] = 1;\r\n            else if (mem[i - 1][j]) mem[i][j] = 1;\r\n        }\r\n    }\r\n    if (s & 1) printf(\"0\");\r\n    else if (mem[n][s / 2]) {\r\n        printf(\"1\\n\");\r\n        for (int i = 1; i <= n; i++) {\r\n            if (a[i] & 1) {\r\n                printf(\"%d\", i);\r\n                return 0;\r\n            }\r\n            else if (!mem[n][(s - a[i]) / 2]) {\r\n                printf(\"%d\", i);\r\n                return 0;\r\n            }\r\n        }\r\n        return 1;\r\n    }\r\n    else printf(\"0\");\r\n    return 0;\r\n}", "src_uid": "29063ad54712b4911c6bf871969ee147"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int l=0,z,g=0;\n    char a[1000],t;\n    scanf(\"%s\",&a);\n    z=strlen(a);\n    for(int i=0;i<z;i++)\n    {\n        if(a[i]=='a'||a[i]=='A'||a[i]=='o'||a[i]=='O'||a[i]=='y'||a[i]=='Y'||a[i]=='e'||a[i]=='E'||a[i]=='u'||a[i]=='U'||a[i]=='i'||a[i]=='I')\n    {\n       g++;\n        a[i]=' ' ;\n    }\n    else\n    l++;\n    }\n    int j=1;\n    for(int i=0;i<z;i++)\n    {\n        for(int j=i+1;j<z;j++)\n        {\n        if(a[i]==' ')\n        {\n        t=a[j];\n        a[j]=a[i];\n        a[i]=t;\n        }\n        }\n    }\n    char b[100];\n    int c=0;\n    for(int i=0;i<z;i++)\n    {\n    if(c<(l*2))\n{\nc++;\n        b[c]='.';\n        c++;\n        b[c]=a[i];\n}\nelse\n    break;\n    }\n\nfor(int i=1;i<=(l*2);i++)\n{\n    if((b[i]>='A'&&b[i]<'a')&&b[i]!='.')\n        b[i]=b[i]+32;\n    printf(\"%c\",b[i]);\n}\n}\n//koko", "src_uid": "db9520e85b3e9186dd3a09ff8d1e8c1b"}
{"source_code": "#include<stdio.h>\n\nlong long llgcd(long long a,long long b){long long c;while(b!=0){c=a%b;a=b;b=c;}return a;}\nlong long lllcm(long long a,long long b){long long c=llgcd(a,b);a/=c;return a*b;}\n\nint main(){\n  long long n,a[128],res=1;\n  scanf(\"%lld\",&n);\n  for(int i=1;i<=n;i++){scanf(\"%lld\",&a[i]);}\n  for(int i=1;i<=n;i++){\n    long long len=1,pt=a[i];\n    while(len<1000){\n      if(pt==i){break;}\n      len++;\n      pt=a[pt];\n    }\n    if(len==1000){puts(\"-1\");return 0;}\n    if(len%2==0){len/=2;}\n    res=lllcm(len,res);\n  }\n  printf(\"%lld\\n\",res);\n}", "src_uid": "149221131a978298ac56b58438df46c9"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\n#define N\t100000\n\nint jj[N], pp[N], dd[N], mn;\n\nvoid match(int i) {\n\twhile (dd[i] == 1) {\n\t\tint j = jj[i], tmp;\n\n\t\tif (pp[i] == i || dd[j] == 1)\n\t\t\ttmp = pp[i], pp[i] = pp[j], pp[j] = tmp;\n\t\telse\n\t\t\tmn -= 2;\n\t\tjj[i] ^= j, dd[i] = 0, jj[j] ^= i, dd[j]--;\n\t\ti = j;\n\t}\n}\n\nint main() {\n\tint n, h, i, j;\n\n\tscanf(\"%d\", &n);\n\tfor (h = 0; h < n - 1; h++) {\n\t\tscanf(\"%d%d\", &i, &j), i--, j--;\n\t\tjj[i] ^= j, dd[i]++, jj[j] ^= i, dd[j]++;\n\t}\n\tfor (i = 0; i < n; i++)\n\t\tpp[i] = i;\n\tmn = (n - 1) * 2;\n\tfor (i = 0; i < n; i++)\n\t\tmatch(i);\n\tprintf(\"%d\\n\", mn);\n\tfor (i = 0; i < n; i++)\n\t\tprintf(\"%d \", pp[i] + 1);\n\tprintf(\"\\n\");\n\treturn 0;\n}\n", "src_uid": "98ded03cdd1870500667f0069d6a84b1"}
{"source_code": "#include<stdio.h>\n// Merges two subarrays of arr[].\n// First subarray is arr[l..m]\n// Second subarray is arr[m+1..r]\nvoid merge(int arr[], int l, int m, int r)\n{\n    int i, j, k;\n    int n1 = m - l + 1;\n    int n2 =  r - m;\n\n    /* create temp arrays */\n    int L[n1], R[n2];\n\n    /* Copy data to temp arrays L[] and R[] */\n    for (i = 0; i < n1; i++)\n        L[i] = arr[l + i];\n    for (j = 0; j < n2; j++)\n        R[j] = arr[m + 1+ j];\n\n    /* Merge the temp arrays back into arr[l..r]*/\n    i = 0; // Initial index of first subarray\n    j = 0; // Initial index of second subarray\n    k = l; // Initial index of merged subarray\n    while (i < n1 && j < n2)\n    {\n        if (L[i] <= R[j])\n        {\n            arr[k] = L[i];\n            i++;\n        }\n        else\n        {\n            arr[k] = R[j];\n            j++;\n        }\n        k++;\n    }\n\n    /* Copy the remaining elements of L[], if there\n       are any */\n    while (i < n1)\n    {\n        arr[k] = L[i];\n        i++;\n        k++;\n    }\n\n    /* Copy the remaining elements of R[], if there\n       are any */\n    while (j < n2)\n    {\n        arr[k] = R[j];\n        j++;\n        k++;\n    }\n}\n\n/* l is for left index and r is right index of the\n   sub-array of arr to be sorted */\nvoid mergeSort(int arr[], int l, int r)\n{\n    if (l < r)\n    {\n        // Same as (l+r)/2, but avoids overflow for\n        // large l and h\n        int m = l+(r-l)/2;\n\n        // Sort first and second halves\n        mergeSort(arr, l, m);\n        mergeSort(arr, m+1, r);\n\n        merge(arr, l, m, r);\n    }\n}\n\nint fu(int a,int b){\nif(a-b<=0){\n    return 0;\n}\nelse{\n    return a-b;\n}\n}\nint main()\n{\n    int n,m,arr[100],i,l,r,mid,in,j,sum=0,w;\n    scanf(\"%d%d\",&n,&m);\n    for(i=1;i<=n;i++){\n        scanf(\"%d\",&arr[i]);\n    }\n    mergeSort(arr,1,n);\n    l=1;r=n;\n    while(l<=r)\n    {sum=0;w=n;\n        mid=(l+r)/2;\n        (n%mid==0)?(in=n/mid):(in=(n/mid)+1);\n        for(i=0;i<in;i++){\n            for(j=1;j<=mid&&w>=1;j++){\n                sum=sum+fu(arr[w],i);\n                w--;//printf(\"%d \",sum);\n            }\n        }//printf(\"\\n%d_%d \",mid,sum);\n        if(sum==m){l=mid;r=mid;\n            break;\n        }\n        else if(sum<m){\n            l=mid+1;\n        }\n        else{\n            r=mid-1;\n        }\n    }\n   if(l<=n&&r>=0){\n       if((l+r)%2!=0)\n        printf(\"%d\",(l+r)/2+1);\n        else\n            printf(\"%d\",(l+r)/2);\n   }\n\n   else printf(\"-1\");\n    return 0;\n}\n", "src_uid": "acb8a57c8cfdb849a55fa65aff86628d"}
{"source_code": "#include<stdio.h>\nint main() \n{\n\tchar s[28];\n\tchar map[3][14];\n\tint i,j,l,r,mid,n;\n\tscanf(\"%s\",s+1);\n\tfor(i=1;i<=26;i++) \n\t\tfor(j=i+1;j<=27;j++)\n\t\t\tif(s[i]==s[j])\n\t\t\t{\n\t\t\t\tl=i;\n\t\t\t\tr=j;\n\t\t\t}\n\tif(r-l==1)\n\t\tprintf(\"Impossible\");\n\telse\n\t{\n\t\tmid=(r-1-l)/2;\n\t\tn=r-mid;\n\t\tfor(i=1;i<=13;)\n\t\t{\n\t\t\tif(n!=l)\n\t\t\t{\n\t\t\t\tmap[1][i]=s[n];\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tn++;\n\t\t\tif(n==28)\n\t\t\t\tn=1;\n\t\t}\n\t\tfor(i=13;i>0;)\n\t\t{\n\t\t\tif(n!=l)\n\t\t\t{\n\t\t\t\tmap[2][i]=s[n];\n\t\t\t\ti--;\n\t\t\t}\n\t\t\tn++;\n\t\t\tif(n==28)\n\t\t\t\tn=1;\n\n\t\t}\n\t\tfor(i=1;i<=2;i++)\n\t\t{\n\t\t\tfor(j=1;j<=13;j++)\n\t\t\t\tprintf(\"%c\",map[i][j]);\n\t\t\tprintf(\"\\n\");\n\t\t}\n\t}\n\treturn 0;\n}\n", "src_uid": "56c5ea443dec7a732802b16aed5b934d"}
{"source_code": "#include <stdio.h>\nlong long int b,s,num,n[4],p[4],r,c;\n\nint main()\n{\n\tchar str[101];\n\tscanf(\"%s\",str);\n\tc=0;b=0;s=0;\n\tlong long int i,j,k;\n    for(i=0;str[i]!='\\0';i++)\n    {\n    \tif(str[i]=='B')\n    \t\tb++;\n    \telse if(str[i]=='S')\n    \t\ts++;\n    \telse\n    \t\tc++;\n\n    }\n    //printf(\"%I64d %I64d %I64d\",b,s,c);\n    num=0;\n    long long int bb=b,ss=s,cc=c;\n\tfor(i=1;i<4;i++)\n\tscanf(\"%I64d\",&n[i]);\n\tfor(i=1;i<4;i++)\n\tscanf(\"%I64d\",&p[i]);\n\tscanf(\"%I64d\",&r);\n\n\twhile(1)\n\t{\n\n\t\tif((n[1]==0 || b==0) && (n[2]==0 || s==0) && (n[3]==0 || c==0))\n\t\t\tbreak;\n\t\tif(n[1]-b>=0)\n\t\t\tn[1]=n[1]-b;\n\t\telse\n\t\t\t{r=r-(b-n[1])*p[1];\n\t\t\t\tif(r<0)\n\t\t\t\t\t{printf(\"%d\",num);\n\t\t\t\treturn 0;}\n\t\t   n[1]=0;}\n\t\tif(r==0)\n\t\t\tbreak;\n\t\tif(n[2]-s>=0)\n\t\t\tn[2]=n[2]-s;\n\t\telse\n\t\t\t{r=r-(s-n[2])*p[2];\n\t\t\t\tif(r<0)\n\t\t\t\t\t{printf(\"%d\",num);\n\t\t\t\treturn 0;}\n\t\tn[2]=0;}\n\t\tif(r==0)\n\t\t\tbreak;\n\t\tif(n[3]-c>=0)\n\t\t\tn[3]=n[3]-c;\n\t\telse\n\t\t\t{r=r-(c-n[3])*p[3];\n\t\t\t\tif(r<0)\n\t\t\t\t\t{printf(\"%d\",num);\n\t\t\t\treturn 0;}\n\t\tn[3]=0;}\n\t\tif(r==0)\n\t\t\tbreak;\n\t\t//printf(\"%I64d %I64d %I64d\\n\",n[1],n[2],n[3]);\n\t\tnum++;\n\n\t}\n\tif(r==0)\n\t\t{\t\n\t\tprintf(\"%I64d\",num+1);\n\t\treturn 0;\n\t\t}\n\tlong int req=b*p[1]+s*p[2]+c*p[3];\n\tnum=num+r/req;\n\tprintf(\"%I64d\",num);\n\n}", "src_uid": "8126a4232188ae7de8e5a7aedea1a97e"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\nint main()\n{\n\n    char str[100];\n    scanf(\"%s\", str);\n    int l,i;\n    l = strlen(str);\n    for(i=l-1;i>=0;i--){\n        if(str[i]=='0'){\n            str[i] = '\\0';\n        }\n        else break;\n    }\n    int l1,flag;\n    l1 = strlen(str);\n    flag=0;\n    for(i=0;i<l1;i++){\n        if(str[i] != str[l1-i-1]){\n            flag = 1;\n            break;\n        }\n    }\n    if(flag) printf(\"NO\\n\");\n    else printf(\"YES\\n\");\n    return 0;\n}\n", "src_uid": "d82278932881e3aa997086c909f29051"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    unsigned long long a, b;\n    unsigned long long c = 0;\n\n    scanf(\"%I64u %I64u\", &a, &b);\n\n    while ((a > 0) && (b > 0))\n    {\n        if (a >= b)\n        {\n            c += a / b;\n            a = a % b;\n        }\n        else\n        {\n            c += b / a;\n            b = b % a;          \n        }\n    }\n\n    printf(\"%I64u\", c);\n\n    return 0;\n}\n\n/*\na = 10   b = 7\na = 10 % 7\n\n\n\n*/\n", "src_uid": "ce698a0eb3f5b82de58feb177ce43b83"}
{"source_code": "#include <stdio.h>\n\nint main(){\n\tint a[1000];\n\tint n, i, elimina, dif, difMax = 0, difMin = 1000;\n\n\tscanf(\"%d\", &n);\n\n\tfor(i = 0; i < n; i++) scanf(\"%d\", &a[i]);\n\n\tfor(elimina = 1; elimina < n-1; elimina++){\n\t\tdifMax = 0;\n\t\t\n\t\tfor(i = 1; i < n; i++){\n\t\t\tif(elimina == i){\n\t\t\t\tdif = a[i+1] - a[i-1];\n\t\t\t\ti++;\n\t\t\t}\n\t\t\telse{\n\t\t\t\tdif = a[i] - a[i-1];\n\t\t\t}\n\n\t\t\tif(dif > difMax) difMax = dif;\n\t\t}\n\n\t\tif(difMax < difMin) difMin = difMax; \n\t}\n\n\tprintf(\"%d\\n\", difMin);\n\n\treturn 0;\n}", "src_uid": "8a8013f960814040ac4bf229a0bd5437"}
{"source_code": "#include<stdio.h>\n\nint main(){\n\n    int w, h, k;\n\n    scanf(\"%d %d %d\",&w, &h, &k);\n\n    printf(\"%d\",2*k*(w + h) - 4*k*(2*k - 1));\n\n    return 0;\n}\n", "src_uid": "2c98d59917337cb321d76f72a1b3c057"}
{"source_code": "#include <stdio.h>\n\nenum {\n    BOUND = 10000 * 1010,\n    MAXP = 1000\n};\n\nchar notPrime[BOUND];\nint conv[BOUND];\n\nint countPower(int x, int n) {\n    int res = 0;\n    while(n % x == 0) {\n        n /= x;\n        res++;\n    }\n    return res;\n}\n\nvoid init() {\n    int i, j;\n    for(i = 1; i < BOUND; i++)\n        conv[i] = 1;\n    notPrime[0] = notPrime[1] = 1;\n    for(i = 2; i < BOUND; i++) {\n        if(notPrime[i]) continue;\n        conv[i] *= i;\n        for(j = 2; i * j < BOUND; j++) {\n            notPrime[i * j] = 1;\n            if(countPower(i, j) % 2 == 0)\n                conv[i * j] *= i;\n        }\n    }\n}\n\nint main() {\n    int i, n, a;\n    long long ans = 0;\n    init();\n    scanf(\"%d %d\", &a, &n);\n    for(i = a; i < a + n; i++) {\n        ans += conv[i];\n    }\n    printf(\"%I64d\\n\", ans);\n    return 0;\n}\n", "src_uid": "915081861e391958dce6ee2a117abd4e"}
{"source_code": "#include <stdio.h>\n\nint mod_inv(int a, int p){\n\tint y = p-2;\n\tint res = 1;\n\twhile(y!=0){\n\t\tif(y&1){\n\t\t\tres = ((long long)res * a)%p;\n\t\t}\n\t\ta = ((long long)a*a)%p;\n\t\ty = y>>1;\n\t}\n\treturn res;\n}\n\nint main(void) {\n\t// your code goes here\n\tint n,c,i;\n\tscanf(\"%d %d\",&n,&c);\n\tint res = c;\n\tint prev = c;\n\tint p = 1000003;\n\tfor(i=2; i<=n ;i++){\n\t\tprev = ((((long long)(c+i-1)*prev)%p)*mod_inv(i,p))%p;\n\t\tres = (res + prev)%p;\n\t}\n\tprintf(\"%d\\n\",res);\n\treturn 0;\n}", "src_uid": "e63c70a9c96a94bce99618f2e695f83a"}
{"source_code": "#include <stdio.h>\n\nint main(){\n  int n,t,k,d;\n  int oven1;\n  int i;\n  int totalCakes = 0;\n  int isO2Built = 0;\n  scanf(\"%d %d %d %d\",&n, &t, &k, &d);\n  oven1 = ((n/k)+(n%k!=0))*t;\n  for(i = 0; i < oven1; i++){\n    if(i == d) isO2Built = 1;\n    if(i%t == 0 && i > 0) totalCakes += k;\n    if(isO2Built && (i-d)%t == 0 && (i-d) > 0) totalCakes += k;\n    if(totalCakes >= n) break;\n    }\n    // printf(\"cakes: %d, time: %d\\n\",totalCakes, i );\n  if(i < oven1) printf(\"YES\\n\" );\n  else printf(\"NO\\n\" );\n}\n", "src_uid": "32c866d3d394e269724b4930df5e4407"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a;\n    int q,r,sum;\n\n\n\n\n\n    scanf(\"%d\",&a);\n\n    do\n    {\n            sum=0;\n        q=a;\n\n        while(q!=0)\n        {\n            r=q%10;\n            q=q/10;\n            sum=sum+r;\n        }\n\n\n        if(sum%4==0)\n            {\n            printf(\"%d\\n\",a);\n        }\n        a=a+1;\n    }\n    while(sum%4!=0);\n\n    return 0;\n}\n\n\n", "src_uid": "bb6fb9516b2c55d1ee47a30d423562d7"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nvoid swap(int *n, int *m)\n{\n    int temp = *n;\n    *n = *m;\n    *m = temp;\n}\n\nint main()\n{\n    char str[101];\n    scanf(\"%s\", str);\n\n    int len = strlen(str);\n    int nums[101];\n    for(int i = 0; i < len; i += 2) {\n        nums[i] = str[i] - '0'; \n    }\n\n    for(int i = 0; i < len; i += 2) {\n        for(int k = i + 2; k < len; k += 2) {\n            if(nums[i] > nums[k]) {\n                swap(&nums[i], &nums[k]);\n            }\n        }\n    }\n\n    for(int i = 0; i < len; i += 2) {\n        printf(\"%d\", nums[i]);\n        if(i != len - 1) printf(\"+\");\n    }\n\n    return 0;\n}", "src_uid": "76c7312733ef9d8278521cf09d3ccbc8"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int c,d,m,k,n;\n    \n    scanf(\"%d %d %d %d %d\",&c,&d,&n,&m,&k);\n    int z;\n    if((m*n-k)>0)\n    z=m*n-k;\n    else\n    z=0;\n    float s=n*1.0/c;\n    float a=1.0/d;\n    int ans=0,t;\n    if(a>=s)\n    { \n        printf(\"%d\",d*(z));\n    }\n\n    else\n    {\n        t=z%n;\n        if(d*t<c)\n        ans+=d*t;\n        else\n        ans+=c;\n        ans+=(z/n)*c;\n        printf(\"%d\",ans);\n    }\n    \n    \n    \n    return 0;\n}", "src_uid": "c6ec932b852e0e8c30c822a226ef7bcb"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nchar cmd[100005];\nint main()\n{\n\tint n;\n\tint l = 0, r = 0;\n\tint sum = 0;\n\tscanf(\"%d\", &n);\n\tscanf(\"%s\", cmd);\n\tfor (int i = 0;i < n;i++)\n\t{\n\t\tif (cmd[i] == 'L')l++;\n\t\telse r++;\n\t}\n\tif (l != r)sum = l + r +1;\n\telse sum = l + r + 1;\n\t\tprintf(\"%d\", sum);\n\treturn 0;\n}", "src_uid": "098ade88ed90664da279fe8a5a54b5ba"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,a,r;\n    scanf(\"%d\",&n);\n    if(n>=0)\n    {\n        printf(\"%d\",n);\n        return 0;\n    }\n    n=n*(-1);\n    a=n%10;\n    n=n/10;\n    r=n%10;\n    n=n/10;\n    if(a>r)\n    {\n        if(n==0&&r==0)\n        {\n            printf(\"%d\",n);\n            return 0;\n        }\n        if(n==0&&r!=0)\n        {\n            printf(\"-%d\",r);\n            return 0;\n        }\n        printf(\"-%d%d\",n,r);\n    }\n    else\n    {\n        if(n==0&&a==0)\n        {\n            printf(\"%d\",n);\n            return 0;\n        }\n        if(n==0&&a!=0)\n        {\n            printf(\"-%d\",a);\n            return 0;\n        }\n        printf(\"-%d%d\",n,a);\n    }\n    return 0;\n}\n", "src_uid": "4b0a8798a6d53351226d4f06e3356b1e"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint dir[6][2]={{-1,2},{-2,0},{-1,-2},{1,-2},{2,0},{1,2}};\nint main()\n{\n    long long  n,i;\n    scanf(\"%lld\",&n);\n    double x,y;\n    double a;\n    if(!n)\n        printf(\"0 0\\n\");\n    else\n    {   \n    long long a=sqrt(n/3);\n    for(;;++a)\n    {\n        if(a*(a+1)/2*6==n)\n        {\n            printf(\"%d %d\\n\",a*2,0);\n            return 0;\n        }\n        if(a*(a+1)/2*6>n)\n        {\n            break;\n        }\n    }\n        n-=(a*(a-1))*3;\n        if(n==0)\n            printf(\"%.0lld 0\\n\",2*(a-1));\n        else{\n        \n        x=2*(a-1);y=0;          //第a圈的起点 \n        i=0;             //i记录移动几次 \n        x+=1;y+=2;i++;      \n\n        if(i==n)\n        {\n            printf(\"%.lf %.lf\\n\",x,y);\n            return 0;\n        }\n        n--;\n        for(int k=0;k<6;++k)\n        {\n            long long t=(k<=0?a-1:a);\n            if(n>=t)\n            {\n                x+=t*dir[k][0];\n                y+=t*dir[k][1];\n                n-=t;\n            }\n            else\n            {\n                x+=n*dir[k][0];\n                y+=n*dir[k][1];\n                break;\n            }\n        }   \n        printf(\"%.lf %.lf\\n\",x,y);\n    }\n    }\n    return 0;\n}", "src_uid": "a4b6a570f5e63462b68447713924b465"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a[3]={-1,-1,-1};\n    int b[3]={-1,-1,-1};\n    int aa[8],bb[8];\n    int ca=0,cb=0,ia,ib,i,j;\n    for(i=0;i<8;i++)\n    {\n        scanf(\"%d %d\",&ia,&ib);\n        aa[i]=ia; bb[i]=ib;\n        if(ia!=a[0] && ia!=a[1] && ia!=a[2])\n        {\n            a[ca]=ia;\n            ca++;\n        }\n        if(ib!=b[0] && ib!=b[1] && ib!=b[2])\n        {\n            b[cb]=ib;\n            cb++;\n        }\n    }\n    for(i=0;i<3;i++)\n    {\n        int ta,tb;\n        for(j=i+1;j<3;j++)\n        {\n            if(a[i]>a[j])\n            {\n                ta=a[j];\n                a[j]=a[i];\n                a[i]=ta;\n            }\n            if(b[i]>b[j])\n            {\n                tb=b[j];\n                b[j]=b[i];\n                b[i]=tb;\n            }\n        }\n    }\n    for(i=0;i<8;i++)\n    {\n        for(j=i+1;j<8;j++)\n        {\n        if(aa[i]==aa[j])\n        {\n            if(bb[i]==bb[j])\n            {\n                printf(\"ugly\");\n                return 0;\n            }\n        }\n        }\n        if(aa[i]==a[1] )\n        {\n            if(bb[i]==b[1] )\n            {\n                printf(\"ugly\");\n                return 0;\n            }\n        }\n    }\n    if(ca==3 && cb==3)\n    {\n        printf(\"respectable\");\n        return 0;\n    }\n    else\n    printf(\"ugly\");\n    return 0;\n}\n", "src_uid": "f3c96123334534056f26b96f90886807"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n\tlong long int n,i,k;\n\tscanf(\"%lld %lld\",&n,&k);\n\tfor(i=0;i<k;i++) {\n\t\tif(n%2==0)\n\t\t\tn/=2;\n\t\tif(n%5==0)\n\t\t\tn/=5;\n\t}\n\tprintf(\"%d\",n);\n\tfor(i=0;i<k;i++)\n\t{\n\t\tprintf(\"0\");\n\t}\n\treturn 0;\n}", "src_uid": "73566d4d9f20f7bbf71bc06bc9a4e9f3"}
{"source_code": "#include<stdio.h>\nint main()\n{\n\tint i,a,b,x,c,d;\n\tscanf(\"%d %d %d\",&a,&b,&x);\n\tint arr[x+1];\n\tc=a;\n\td=b;\n\tfor(i=0;i<x+1;i++)\n\t{\n\t\tif(i%2==0)\n\t\t{\t\n\t\tif(c==x/2)\t\n\t\t\t{\n\t\t\tarr[i]=1;\n\t\t\tb--;}\n\t\telse {\n\t\tarr[i]=0;\n\t\t\ta=a-1;}\n\t\t}\n\t\telse\n\t\t{\t\n\t\t\tif(c==x/2)\n\t\t\t{\n\t\t\tarr[i]=0;\n\t\t\ta--;}\n\t\t\telse\n\t\t\t{\n\t\t\tarr[i]=1;\n\t\t\tb=b-1;\n\t\t}}\n}\nif(c!=x/2)\nfor(i=0;i<a;i++)\n{\n\tprintf(\"0\");\n}\nelse \nfor(i=0;i<b;i++)\n{\n\tprintf(\"1\");\n}\nfor(i=0;i<x;i++)\n{\n\tprintf(\"%d\",arr[i]);\n}\nif(x%2==0)\n\t{\n\t\tif(c!=x/2)\n\t\tfor(i=0;i<b;i++)\n\t\t{\n\t\t\tprintf(\"1\");\n\t\t}\n\t\telse\n\t\tfor(i=0;i<a;i++)\n\t\t{\n\t\t\tprintf(\"0\");\n\t\t}\n\t\tprintf(\"%d\",arr[x]);\n\t}\nelse\n\t{\n\t\t\tprintf(\"%d\",arr[x]);\n\t\t\tif(c!=x/2)\n\t\t\tfor(i=0;i<b;i++)\n\t\t\t\t{\n\t\t\t\t\tprintf(\"1\");\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\tfor(i=0;i<a;i++)\n\t\t\t\t{\n\t\t\t\t\tprintf(\"0\");\n\t\t\t\t}\n\t}\n\treturn 0;\n}\n", "src_uid": "ef4123b8f3f3b511fde8b79ea9a6b20c"}
{"source_code": "#include <stdio.h>\n#include <string.h>\nint main()\n{\n     char a,b,c,d,e;\n     int i,j,k,l;\n     scanf(\"%d:%d\",&i,&j);\n     l=0;\n    while(i%10!=j/10 || i/10!=j%10)\n    {\n         l++;\n         j++;\n         if(j>59)\n         {\n              j=0;\n              i++;\n         }\n          if(i==24)\n         break;\n    }\n     printf(\"%d\",l);\n}", "src_uid": "3ad3b8b700f6f34b3a53fdb63af351a5"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,m,k,max,min,rem,ans,var;\n    scanf(\"%lld%lld%lld\", &n, &m, &k);\n    if(n>=m)\n    {\n        max = n;\n        min = m;\n    }\n    else\n    {\n        max = m;\n        min = n;\n    }\n    if(k<max)\n    {\n        if((min%(k+1)==0) && (k < min))\n        {\n            ans = (min/(k+1))*max;\n        }\n        else if(max%(k+1)==0)\n            ans = (max/(k+1))*min;\n        else\n        {\n            //if(k<min)\n            ans = (min/(k+1))*max;\n           // else\n            //{\n            var = (max/(k+1))*min;\n            if(var>ans)\n                ans = var;\n            //}\n        }\n    }\n    else\n    {\n        rem = k - (max-1);\n//        printf(\"%lld\\n\", rem);\n        if(rem < min)\n        {\n            if(min%(rem+1)==0)\n                ans = min/(rem + 1);\n            else\n                ans = min/(rem + 1);\n        }\n        else\n            ans = -1;\n    }\n    printf(\"%lld\\n\", ans);\n    return 0;\n}\n", "src_uid": "bb453bbe60769bcaea6a824c72120f73"}
{"source_code": "#include<stdio.h>\n\nlong long mod = 998244353;\n\nlong long dp[2002][2002];\n\nlong long mod1(long long n, long long k){\n\n    int i, j;\n\n    for(i = 0; i < n; i++){\n\n        dp[i][0] = 1;\n\n        dp[i][1] = i;\n\n        dp[i][i] = 1;\n    }\n    for(i = 2; i < n; i++){\n\n        for(j = 1; j < i; j++){\n\n            dp[i][j] = (dp[i - 1][j] + dp[i - 1][j - 1]) % mod;\n        }\n    }\n    return dp[n - 1][k];\n}\nlong long bigmod(long a, long p){\n\n    long long res = 1;\n\n    long long x = a;\n\n    while(p){\n\n        if(p & 1){\n\n            res = (res*x) % mod;\n        }\n        x = (x*x)%mod;\n\n        p = p >> 1;\n    }\n    res = (res*(a + 1))%mod;\n\n    return res;\n}\nint main(){\n\n    long long n,m,k;\n\n    scanf(\"%lld %lld %lld\",&n,&m,&k);\n\n    long long r = (mod1(n,k)*bigmod(m - 1, k))%mod;\n\n    printf(\"%lld\",r);\n\n    return 0;\n}\n", "src_uid": "b2b9bee53e425fab1aa4d5468b9e578b"}
{"source_code": "#include <stdio.h>\n\nint min(int a, int b) {\n\treturn a <= b ? a : b;\n}\n\nint main(void) {\n\tint p1; int p2; int p3; int p4; int a; int b;\n\t\n\tscanf(\"%d%d%d%d%d%d\", &p1, &p2, &p3, &p4, &a, &b);\n\t\n\tint min_p = p1;\n\tmin_p = min(min_p, p2);\n\tmin_p = min(min_p, p3);\n\tmin_p = min(min_p, p4);\n\t\n\tint result = 0;\n\tif (a < min_p) {\n\t\tresult = min_p - a;\n\t\tif (b < min_p) result = b - a + 1;\n\t}\n\t\n\tprintf(\"%d\\n\", result);\n\t\n\treturn 0;\n}\n", "src_uid": "63b9dc70e6ad83d89a487ffebe007b0a"}
{"source_code": "#include<stdio.h>\n\nint answer(long long int  bx,long long int  by,long long int  cx,long long int  cy);\n\nint main(void){\n  struct vector{\n    long long int  x;\n    long long int  y;\n  }a,b,c,d;\n  int flg,j,k;\n  \n  scanf(\"%I64d %I64d\",&a.x,&a.y);\n  scanf(\"%I64d %I64d\",&b.x,&b.y);\n  scanf(\"%I64d %I64d\",&c.x,&c.y);\n\n  flg=0;\n  flg+=answer(b.x-a.x,b.y-a.y,c.x,c.y);\n  flg+=answer(b.x+a.y,b.y-a.x,c.x,c.y);\n  flg+=answer(b.x+a.x,b.y+a.y,c.x,c.y);\n  flg+=answer(b.x-a.y,b.y+a.x,c.x,c.y);\n\n  if(flg==0) puts(\"NO\");\n  else puts(\"YES\");\n  return 0;\n}\n\nint answer(long long int  bx,long long int  by,long long int  cx,long long int  cy){\n  long long int  tmp;\n  if(cx==0 && cy==0){\n    if(bx==0 && by==0) return 1;\n    return 0;\n  }\n  if(cx==0){\n    if(bx%cy==0 && by%cy==0) return 1;\n    return 0;\n  }else if(cy==0){\n    if(bx%cx==0 && by%cx==0) return 1;\n    return 0;\n  }else{\n    tmp=cx*cx+cy*cy;\n    if((bx*cx+by*cy)%tmp==0 && (by*cx-bx*cy)%tmp==0) return 1;\n    return 0;\n  }\n  return 0;\n}\n\n\n\n\n\n  \n", "src_uid": "cc8a8af1ba2b19bf081e379139542883"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    int i,pos=0;\n    char s[100009],s1[1000009];\n    scanf(\"%s\",s);\n    int l=strlen(s);\n    for(i=0;i<l;i++)\n    {\n        if(((int)s[i]-97)<=pos && pos<26)\n        {\n            s1[i]=(char)(97+pos);\n            pos++;\n        }\n        else\n            s1[i]=s[i];\n    }\n    if(pos>=26)\n    printf(\"%s\",s1);\n    else\n    printf(\"-1\");\n    return 0;\n}", "src_uid": "f8ad543d499bcc0da0121a71a26db854"}
{"source_code": "#include<stdio.h>\nint main(){\nint i,j,m,max=0,min,A[100],n,a;\nscanf(\"%d\",&n);\nscanf(\"%d\",&m);\nfor(i=0;i<n;i++){\n    scanf(\"%d\",&A[i]);\n    if(A[i]>max){\n        max=A[i];\n    }\n}\na=m;\ni=0;\nwhile(m>0&&i<n){\n    if(A[i]!=max){\n        if(m>=(max-A[i])){\n            m=m-(max-A[i]);\n            //printf(\"%d %d\\n\",A[i],m);\n        }\n        else if(m<(max-A[i])){\n            A[i]=A[i]+m;\n            m=0;\n        }\n\n    }\n     min=max;\n    i=i+1;\n}\n\n//printf(\"%d %d\",min,m);\nif(m!=0)\n    min=min+m/n;\nif(m%n!=0)\n    min=min+1;\nprintf(\"%d %d\",min,max+a);\n}\n", "src_uid": "78f696bd954c9f0f9bb502e515d85a8d"}
{"source_code": "#include <stdio.h>\n\nint main() {\n\tlong long n, x;\n\n\tscanf(\"%lld\", &n);\n\tfor (x = 2; x * x <= n; )\n\t\tif (n % (x * x) == 0)\n\t\t\tn /= x;\n\t\telse\n\t\t\tx++;\n\tprintf(\"%lld\\n\", n);\n\treturn 0;\n}\n", "src_uid": "6d0da975fa0961acfdbe75f2f29aeb92"}
{"source_code": "/*\nID: mohamma73\nLANG: C\nTASK: crypt1\n*/\n\n#include\"stdio.h\"\n#include\"stdlib.h\"\n#include\"ctype.h\"\n#include\"math.h\"\n#include\"string.h\"\nstruct element{\n\tint val;\n\tint indx;\n};\nstruct person{\n\tint id;\n\tint nd;\n\tint nl;\n\tint like[15];\n\tint dis[15];\n};\nstruct farmer{\n\tint p;\n\tint c;\n};\nvoid inc(int *a,int n){\n\tint i;\n\tif(a[0]!=2){\n\t\ta[0]++;\n\t\treturn;\n\t}\n\tfor(i=0;i<n && a[i]==2;i++)\n\t\ta[i]=0;\n\tif(i<n)\n\t\ta[i]++;\n}\nint cmp(char *s,char *t){\n\tint n=strlen(s);\n\tint m=strlen(t);\n\tint i,j;\n\tfor(i=0,j=0;i<n && j<m && s[i]==t[j];i++,j++);\n\tif(s[i]>t[j])\n\t\treturn 1;\n\telse if(s[i]<t[j])\n\t\treturn -1;\n\telse \n\t\treturn 0;\n\t\n}\nint getword(char *s,int n){\n\tint i;\n\tchar c;\n\twhile(isspace(c=getchar()));\n\tfor(i=0;i<n && !isspace(c);i++,c=getchar())\n\t\ts[i]=c;\n\ts[i++]='\\0';\n\treturn i-1;\n}\nint fgetword(char *s,int n,FILE *fp){\n\tint i;\n\tchar c;\n\twhile(isspace(c=getc(fp)));\n\tfor(i=0;i<n && !isspace(c) && c!=EOF;i++,c=getc(fp))\n\t\ts[i]=c;\n\ts[i++]='\\0';\n\treturn i-1;\n}\nlong long atll(char *s){\n\tlong long n=0;\n\tint i;\n\tfor(i=0;s[i]!='\\0';i++){\n\t\tn*=10;\n\t\tn+=(s[i]-'0');\n\t}\n\treturn n;\n}\nint Bsear(char *s,char words[][13],int n){\n\tint l=0;\n\tint h=n;\n\tint mid;\n\twhile(l<h){\n\t\tmid=(l+h)/2;\n\t\tif(cmp(words[mid],s)==0)\n\t\t\treturn 1;\n\t\telse if(cmp(words[mid],s)==1){\n\t\t\th=mid;\n\t\t}else\n\t\t\tl=mid+1;\n\t}\n\treturn -1;\n}\nvoid func(int *n,int base,int num){\n\tint i=0;\n\twhile(num/base!=0){\n\t\tn[i++]=num%base;\n\t\tnum/=base;\n\t}\n\tn[i++]=num;\n\tn[i++]=20;\n}\nint pal(int *n){\n\tint i,j;\n\tfor(i=0;n[i]!=20;i++);\n\tfor(j=0;j<i/2 && n[j]==n[i-j-1];j++);\n\tif(j==i/2)\n\t\treturn 1;\n\treturn 0;\n}\nint ispal(char *s, int i, int j){\n\tint k;\n\tfor(k=0;k<((j-i+1)/2) && s[i+k]==s[j-k];k++);\n\tif(k==(j-i+1)/2)\n\t\treturn 1;\n\treturn 0;\n}\nvoid insort(int *a,int n){\n\tint i,j,temp;\n\tfor(i=1;i<n;i++){\n\t\tj=i;\n\t\twhile(j>0 && a[j]<a[j-1]){\n\t\t\ttemp=a[j-1];\n\t\t\ta[j-1]=a[j];\n\t\t\ta[j]=temp;\n\t\t\tj--;\n\t\t}\n\t}\n}\nchar lower(char c){\n\treturn c<'a'?c+('a'-'A'):c;\n}\nvoid merge(struct element *a,int l,int q,int n){\n\tint n1=q-l+1;\n\tint i,j,k;\n\tint n2=n-q;\n\tstruct element L[n1+1];\n\tstruct element R[n2+1];\n\tfor(i=0;i<n1;i++)\n\t\tL[i]=a[l+i];\n\tfor(i=0;i<n2;i++)\n\t\tR[i]=a[q+i+1];\n\tL[n1].val=100002;\n\tR[n2].val=100002;\n\ti=0;\n\tj=0;\n\tfor(k=l;k<=n;k++)\n\t\tif(L[i].val<=R[j].val){\n\t\t\ta[k]=L[i];\n\t\t\ti++;\n\t\t}else{\n\t\t\ta[k]=R[j];\n\t\t\tj++;\n\t\t}\n}\nvoid mergesort(struct element *a,int l,int n){\n\tif(n>l){\n\t\tint q=(l+n)/2;\n\t\tmergesort(a,l,q);\n\t\tmergesort(a,q+1,n);\n\t\tmerge(a,l,q,n);\n\t}\n}\nint isOkay(int a,int *s , int n){\n\tif(a<100 || a>=1000)\n\t\treturn 0;\n\tint c,i;\n\twhile(a/10>0){\n\t\tc=0;\n\t\tfor(i=0;i<n;i++)\n\t\t\tif(a%10==(s[i]-'0')){\n\t\t\t\tc=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tif(!c)\n\t\t\treturn 0;\n\t\ta/=10;\n\t}\n\tc=0;\n\tfor(i=0;i<n;i++)\n\t\tif(a==(s[i]-'0')){\n\t\t\tc=1;\n\t\t\tbreak;\n\t\t}\n\tif(c)\n\t\treturn 1;\n\treturn 0;\n}\nint isOkay2(int a,int *s , int n){\n\tif(a<1000 || a>=10000)\n\t\treturn 0;\n\tint c,i;\n\twhile(a/10>0){\n\t\tc=0;\n\t\tfor(i=0;i<n;i++)\n\t\t\tif(a%10==(s[i]-'0')){\n\t\t\t\tc=1;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tif(!c)\n\t\t\treturn 0;\n\t\ta/=10;\n\t}\n\tc=0;\n\tfor(i=0;i<n;i++)\n\t\tif(a==(s[i]-'0')){\n\t\t\tc=1;\n\t\t\tbreak;\n\t\t}\n\tif(c)\n\t\treturn 1;\n\treturn 0;\n}\nvoid sort(int *a,int n){\n\tint i,j,temp;\n\tfor(i=1;i<n;i++)\n\t\tfor(j=i;j>0 && a[j-1]>a[j];j--){\n\t\t\t\ttemp=a[j];\n\t\t\t\ta[j]=a[j-1];\n\t\t\t\ta[j-1]=temp;\n\t\t\t\n\t\t}\n}\nvoid fun(int n,char *s){\n\tint i=0;\n\tfor(i=0;n/10!=0;i++,n/=10)\n\t\ts[i]=n%10+'0';\n\ts[i++]=n+'0';\n\ts[i]='\\0';\n}\nvoid sortIn(int *a,int *indx,int n){\n\tint t1;\n\tint i,j;\n\tfor(i=1;i<n;i++)\n\t\tfor(j=i;j>0 && a[j-1]>a[j];j--){\n\t\t\tt1=a[j-1];\n\t\t\ta[j-1]=a[j];\n\t\t\ta[j]=t1;\n\t\t\tt1=indx[j-1];\n\t\t\tindx[j-1]=indx[j];\n\t\t\tindx[j]=t1;\n\t\t}\n}\nint valid(int *a,int l,int r,int n){\n\tint f=0;\n\tif(l>0 && a[l-1]>a[r])\n\t\tf=1;\n\tif(a[l+1]<a[r])\n\t\tf=1;\n\tif(a[r-1]>a[l])\n\t\tf=1;\n\tif(r<n-1 && a[r+1]<a[l])\n\t\tf=1;\n\tif(f) \n\t\treturn 0;\n\treturn 1;\n}\nvoid change(char *stripe,int *colors,int idx,int k){\n\tint j=0;\n\tif(idx==1){\n\t\tif(stripe[0]-'A'>0)\n\t\t\tstripe[0]=colors[stripe[0]-'A'-1];\n\t\telse\n\t\t\tstripe[0]=colors[stripe[0]-'A'+1];\n\t\treturn ;\n\t}\n\tfor(j=0;j<idx;j+=2){\n\t\tif(stripe[j]-'A'>0){\n\t\t\tif(stripe[j]==stripe[j+1])\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'-1];\n\t\t\telse if(stripe[j+1]!=colors[stripe[j]-'A'-1])\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'-1];\n\t\t\telse if(stripe[j]-'A'<k-1)\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'+1];\n\t\t\telse\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'-2];\n\t\t}else{\n\t\t\tif(stripe[j]==stripe[j+1])\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'+1];\n\t\t\telse\n\t\t\t\tstripe[j]=colors[stripe[j]-'A'+2];\n\t\t}\n\t}\n}\nint invite(struct person *nom[],int n,struct person *acq[],struct person *inac[],int m,struct person *invite[]){\n\tint i,j,idx=0,z;\n\tfor(i=0;i<n;i++){\n\t\tfor(j=0;j<nom[i]->nl;j++){\n\t\t\tfor(z=0;z<m && inac[z]->id!=nom[i]->like[j];z++);\n\t\t\tif(z==m){\n\t\t\t\tinac[m++]=acq[nom[i]->like[j]];\n\t\t\t\tinvite[idx++]=acq[nom[i]->like[j]];\n\t\t\t}\n\t\t}\n\t\t\t\n\t}\n\treturn idx;\n}\nint feasible(struct person *a[],int n){\n\tint i,j,k;\n\tint flag=1;\n\tfor(i=0;flag && i<n;i++)\n\t\tfor(j=0;flag && j<a[i]->nd;j++)\n\t\t\tfor(k=0;flag &&k<n;k++){\n\t\t\t\tif(a[k]->id==a[i]->dis[j]){\n\t\t\t\t\tflag=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\tif(i==n)\n\t\treturn 1;\n\treturn 0;\n}\nmain(){\n\tchar s[200];\n\tstruct person *acquin[15];\n\tstruct person *nominee[15];\n\tstruct person *invited[15];\n\tstruct person *inac[15];\n\tint i,j;\n\tint greatest=0;\n\tint from,to;\n\tint m,q,r;\n\tgetword(s,20);\n\tint n=atoi(s);\n\tfor(i=0;i<n;i++){\n\t\tacquin[i]=(struct person *)malloc(sizeof(struct person));\n\t\tacquin[i]->nd=0;\n\t\tacquin[i]->nl=0;\n\t\tacquin[i]->id=i;\n\t}\n\tgetword(s,20);\n\tint k=atoi(s);\n\tfor(i=0;i<k;i++){\n\t\tgetword(s,20);\n\t\tfrom=atoi(s)-1;\n\t\tgetword(s,20);\n\t\tto=atoi(s)-1;\n\t\tacquin[from]->like[acquin[from]->nl++]=to;\n\t\tacquin[to]->like[acquin[to]->nl++]=from;\n\t}\n\tgetword(s,20);\n\tk=atoi(s);\n\tfor(i=0;i<k;i++){\n\t\tgetword(s,20);\n\t\tfrom=atoi(s)-1;\n\t\tgetword(s,20);\n\t\tto=atoi(s)-1;\n\t\tacquin[from]->dis[acquin[from]->nd++]=to;\n\t\tacquin[to]->dis[acquin[to]->nd++]=from;\n\t}\n\tfor(i=0;i<n;i++){\n\t\tinac[0]=acquin[i];\n\t\tm=1;\n\t\tnominee[0]=acquin[i];\n\t\tr=1;\n\t\tq=invite(nominee,r,acquin,inac,m,invited);\n\t\tm+=q;\n\t\twhile(q>0){\n\t\t\tif(!feasible(inac,m))\n\t\t\t\tbreak;\n\t\t\tfor(j=0;j<q;j++)\n\t\t\t\tnominee[j]=invited[j];\n\t\t\tr=q;\n\t\t\tq=invite(nominee,r,acquin,inac,m,invited);\n\t\t\tm+=q;\n\t\t}\n\t\tif(q==0){\n\t\t\tif((m-q)>greatest)\n\t\t\t\tgreatest=(m-q);\n\t\t}\n\t}\n\tprintf(\"%d\",greatest);\n\treturn 0;\n}\n", "src_uid": "e1ebaf64b129edb8089f9e2f89a0e1e1"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int a[6];\n        scanf(\"%d%d%d%d%d%d\",&a[1],&a[2],&a[3],&a[4],&a[5],&a[6]);\n\n    if(a[1]<=a[4] && (a[2]+a[1])<=(a[4]+a[5]) && a[3]<=(a[4]+a[5]+a[6]-a[2]-a[1]))\n        printf(\"YES\");\n    else\n        printf(\"NO\");\n    return 0;\n}", "src_uid": "d54201591f7284da5e9ce18984439f4e"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nint main()\n{\n    long long n,y,prey,ans=0,i;\n    scanf(\"%I64d\",&n);\n    if(n==0)\n        printf(\"1\\n\");\n    else\n    {\n        prey = sqrt(n*n - 1);\n        ans++;\n        for(i=2;i<=n;i++)\n        {\n            y = sqrt(n*n-i*i);\n                    //printf(\"%lld %lld prevy y\\n\",prey,y);\n            if(y==prey)\n                ans++;\n            else\n                ans += prey - y;\n            prey = y;\n        }\n        ans--;\n                        //printf(\"%lld check\\n\",ans);\n        ans *= 4;\n\n        ans += 4;\n        printf(\"%I64d\\n\",ans);\n    }\n    return 0;\n}\n", "src_uid": "d87ce09acb8401e910ca6ef3529566f4"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\nlong long int cmpfunc( const void *a, const void *b) {\n  return *(long long int*)a - *(long long int *)b;\n}\n\nint main()\n{\n long long int test,d,n,x,i,sum=0,count=0,j,flag=0,p,y,m,max=0,o,g,r,k, a[1002];\n scanf(\"%lld%lld\",&n,&m);\nmax=abs(n-m);\nif(max>=2){\nif(max/2>=max/3){\n    printf(\"2\");\n}else{\n   printf(\"3\");\n    }\n       \n    \n}else{\n printf(\"%lld\",n);\n}\n\n\n    return 0;\n}", "src_uid": "a8d992ab26a528f0be327c93fb499c15"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int a, b, n, rnds=0;\n    scanf(\"%d %d %d\",&n,&a,&b);\n    if ((a <= n/2 && b > n/2) || (n == 2) || (b <= n/2 && a > n/2) ) {\n            //printf(\"%d,%d,%d\",n,a,b);\n        printf(\"Final!\");\n    } else {\n        while (a != b) {\n            a = ceil (a/2.0);\n            b = ceil (b/2.0);\n    //printf(\"%d,%d,%d\",n,a,b);\n            rnds++;\n        }\n        printf(\"%d\",rnds);\n    }\n\n    return 0;\n}\n", "src_uid": "a753bfa7bde157e108f34a28240f441f"}
{"source_code": "#include <stdio.h>\n\n#define N\t1000\n\nint main() {\n\tstatic int aa[N], bb[N], cc[N], dd[N], ee[N], ii[N];\n\tint n, h, i, j, k, cnt;\n\n\tscanf(\"%d\", &n);\n\tfor (i = 0; i < n; i++)\n\t\tscanf(\"%d%d%d%d%d\", &aa[i], &bb[i], &cc[i], &dd[i], &ee[i]);\n\tcnt = 0;\n\tfor (i = 0; i < n; i++) {\n\t\tfor (j = 0; j < n; j++)\n\t\t\tfor (k = 0; k < n; k++)\n\t\t\t\tif (j != i && k != i && j != k && (aa[j] - aa[i]) * (aa[k] - aa[i]) + (bb[j] - bb[i]) * (bb[k] - bb[i]) + (cc[j] - cc[i]) * (cc[k] - cc[i]) + (dd[j] - dd[i]) * (dd[k] - dd[i]) + (ee[j] - ee[i]) * (ee[k] - ee[i]) > 0)\n\t\t\t\t\tgoto out;\n\t\tii[cnt++] = i;\nout:\n\t\t;\n\t}\n\tprintf(\"%d\\n\", cnt);\n\tfor (h = 0; h < cnt; h++)\n\t\tprintf(\"%d\\n\", ii[h] + 1);\n\treturn 0;\n}\n", "src_uid": "c1cfe1f67217afd4c3c30a6327e0add9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int i,k,n,a,min=0;\n    scanf(\"%d %d\",&n,&k);\n    for (i=0;i<n;i++)\n    {\n        scanf(\"%d\",&a);\n        if ((k%a==0)&&(a>min))\n        {\n            min=a;\n\n        }\n    }\n    printf(\"%d\",k/min);\n    return 0;\n}\n", "src_uid": "80520be9916045aca3a7de7bc925af1f"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n#define min(a,b) (a<b?a:b)\n#define max(a,b) (a>b?a:b)\n\nint main()\n{\n    int x,y,z,x1,y1,z1;\n    int X,Y,Z;\n    int a[6];\n    scanf(\"%d%d%d%d%d%d\",&x,&y,&z,&x1,&y1,&z1);\n    int i;\n    for (i=0; i<6; i++) scanf(\"%d\",a+i);\n    if (x<min(0,x1)) X=-1; else\n        if (x>max(0,x1)) X=1; else\n            X=0;\n    if (y<min(0,y1)) Y=-1; else\n        if (y>max(0,y1)) Y=1; else\n            Y=0;\n    if (z<min(0,z1)) Z=-1; else\n        if (z>max(0,z1)) Z=1; else\n            Z=0;\n    if (X<=0) a[x1>0?5:4]=0;\n    if (X>=0) a[x1>0?4:5]=0;\n    if (Y<=0) a[y1>0?1:0]=0;\n    if (Y>=0) a[y1>0?0:1]=0;\n    if (Z<=0) a[z1>0?3:2]=0;\n    if (Z>=0) a[z1>0?2:3]=0;\n    int sum=0;\n    for (i=0; i<6; i++) sum+=a[i];\n    printf(\"%d\",sum);\n    return 0;\n}\n", "src_uid": "c7889a8f64c57cf7be4df870f68f749e"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint n, k, num = 0, i;\n\tscanf(\"%d %d\", &n, &k);\n\tint a[101] = {0};\n\tfor (; n; n--) {\n\t\tscanf(\"%d\", &i);\n\t\ta[i] = 1;\n\t}\n\tfor (; n < k; n++)\n\t\tif (!a[n])\n\t\t\tnum++;\n\tif (a[n])\n\t\tnum++;\n\tprintf(\"%d\", num);\n\treturn 0;\n}\n", "src_uid": "21f579ba807face432a7664091581cd8"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define N\t1000000\n\nint min(int a, int b) { return a < b ? a : b; }\n\nint aa[N + 1], kk[N + 1];\n\nvoid init() {\n\tint a, b, k;\n\n\tmemset(aa, -1, (N + 1) * sizeof *aa);\n\tfor (a = 2; a <= N; a++) {\n\t\tif (aa[a] != -1)\n\t\t\tcontinue;\n\t\tb = 1, k = 0;\n\t\twhile (1) {\n\t\t\tif (b > N / a)\n\t\t\t\tbreak;\n\t\t\tb *= a, k++;\n\t\t\taa[b] = a, kk[b] = k;\n\t\t}\n\t}\n}\n\nlong long gcd(long long a, long long b) {\n\treturn b == 0 ? a : gcd(b, a % b);\n}\n\nlong long lcm(long long a, long long b) {\n\treturn a / gcd(a, b) * b;\n}\n\nlong long solve(int n, int m, int a, long long b, int k, int k_, long long k1, int l) {\n\tif (b <= n)\n\t\treturn solve(n, m, a, b * a, k + 1, k_, k1, l) + solve(n, m, a, b * a, k + 1, k_ == -1 ? k : k_, lcm(k1, k), l + 1);\n\telse\n\t\treturn l == 0 ? 0 : ((long long) m * k_ / k1) * (l % 2 == 1 ? 1 : -1);\n}\n\nint main() {\n\tint n, m, a;\n\tlong long ans;\n\n\tinit();\n\tscanf(\"%d%d\", &n, &m);\n\tans = 1;\n\tfor (a = 2; a <= n; a++)\n\t\tif (aa[a] == a)\n\t\t\tans += solve(n, m, a, a, 1, -1, 1, 0);\n\tprintf(\"%lld\\n\", ans);\n\treturn 0;\n}\n", "src_uid": "6ca310cb0b6fc4e62e63a731cd55aead"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n#include <stdlib.h>\nint max=0;\nint a[10];\nint p[100];\ntypedef struct\n{\n\tint val;\n\tint mvrg;\n\tint thrg;\n}Ch;\ntypedef Ch CA[4];\nint movethrow(CA,int);\nint search(int pe)\n{\n\tint i,t;\n\tfor (i=1;i<45;i++)\t\n\t{\n\t\tif (p[i]>0)\n\t\t{\n\t\t\tt=p[i];\n\t\t\twhile (t)\n\t\t\t{\n\t\t\t\tif ((t%10)==pe)\n\t\t\t\t\treturn i;\n\t\t\t\tt=t/10;\n\t\t\t}\n\t\t}\n\t}\n}\nint change(int pe,int pos)\n{\n\tint t;\n\tt=search(pe);\n\tp[t]=0;\n\tp[pos]=pe;\n\t\n}\nint tr(CA C,int pe)\n{\n\tint i,j;\n\tint f,m,r,t[4];\n\tint temp;\n\tt[1]=search(1);\n\tt[2]=search(2);\n\tt[3]=search(3);\n\tm=t[pe];\n\ttemp=p[m];\n\tf=m-C[pe].thrg;\n\tr=m+C[pe].thrg;\n\tif (r>max)\n\t\tmax=r;\n\tif (f<=0)\n\t\tf=1;\n\tfor (i=f;i<=r;i++)\n\t{\n\t\tif (i!=m&&p[i]==0&&\n\t\t\t(abs(i-t[1])==1||abs(i-t[2]==1)||abs(i-t[3])==1||i==r))\n\t\t{\n\t\t\t\n\t\t\tp[i]=temp/10;\n\t\t\tp[m]=temp%10;\n\t\t\tfor (j=1;j<=9;j++)\n\t\t\t{\n\t\t\t\t\n\t\t\t\tif (a[j]==0)\n\t\t\t\t{\n\t\t\t\t\ta[j]=1;a[0]++;\n\t\t\t\t\tmovethrow(C,j);\n\t\t\t\t\ta[j]=0;a[0]--;\n\t\t\t\t}\n\t\t\t}\n\t\t\tp[i]=0;\n\t\t\tp[m]=temp;\n\t\t}\n\t}\n\treturn 0;\n}\nint mv(CA C,int pe)\n{\n\tint i,j;\n\tint f,m,r,t[4];\n\tt[1]=search(1);\n\tt[2]=search(2);\n\tt[3]=search(3);\n\tint temp;\n\ttemp=t[pe];\n\tm=t[pe];\n\tt[pe]=t[3];\n\tt[3]=temp;\n\tf=m-C[pe].mvrg;\n\tr=m+C[pe].mvrg;\n\tif (r>max)\n\t\tmax=r;\n\tif (f<=0)\n\t\tf=1;\n\tfor (i=f;i<=r;i++)\n\t{\n\t\tif (i!=m&&p[i]==0&&\n\t\t\t(abs(i-t[1])<=2||abs(i-t[2]<=2)||abs(i-t[3])<=1||i==r))\n\t\t{\n\t\t\tchange(pe,i);\n\t\t\t\n\t\t\tfor (j=1;j<=9;j++)\n\t\t\t{\n\t\t\t\tif (a[j]==0)\n\t\t\t\t{\n\t\t\t\t\ta[j]=1;a[0]++;\n\t\t\t\t\tmovethrow(C,j);\n\t\t\t\t\ta[j]=0;a[0]--;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tchange(pe,m);\n\treturn 0;\n}\n\nint movethrow(CA C,int fr)\n{\n\tint i,j;\n\tint rt;\n\tif (fr%3==1)\n\t{\n\t\trt=fr/3+1;\n\t\tif (a[fr+1]==1&&a[fr+2]==0)\n\t\t{\n\t\t\treturn 0;\n\t\t}\n\t\telse if (p[search(rt)]>10)\n\t\t{\n\t\t\treturn 0;\n\t \t}\n\t\telse\n\t\t{\n\t\t\tmv(C,rt);\n\n\t\t\treturn 0;\n\t\t}\n\t\t\n\t}\n\tif (fr%3==2)\n\t{\n\t\tint px;\n\t\trt=fr/3+1;\n\t\tpx=search(rt);\n\t\tif (p[px]>10)\n\t\t{\n\t\t\treturn 0;\n\t\t}\n\t\telse if (p[px-1]>0)\n\t\t{\n\t\t\tint temp;\n\t\t\tp[px]+=p[px-1]*10;\n\t\t\ttemp=p[px-1];\n\t\t\tp[px-1]=0;\n\t\t\tfor (j=1;j<=9;j++)\n\t\t\t{\n\t\t\t\tif (a[j]==0)\n\t\t\t\t{\n\t\t\t\t\ta[j]=1;a[0]++;\n\t\t\t\t\tmovethrow(C,j);\n\t\t\t\t\ta[j]=0;a[0]--;\n\t\t\t\t}\n\t\t\t}\n\t\t\tp[px]=rt;\n\t\t\tp[px-1]=temp;\n\t\t}\n\t\telse if (p[px+1]>0)\n\t\t{\n\t\t\tint temp;\n\t\t\tp[px]+=p[px+1]*10;\n\t\t\ttemp=p[px+1];\n\t\t\tp[px+1]=0;\n\t\t\tfor (j=1;j<=9;j++)\n\t\t\t{\n\t\t\t\tif (a[j]==0)\n\t\t\t\t{\n\t\t\t\t\ta[j]=1;a[0]++;\n\t\t\t\t\tmovethrow(C,j);\n\t\t\t\t\ta[j]=0;a[0]--;\n\t\t\t\t}\n\t\t\t}\n\t\t\tp[px]=rt;\n\t\t\tp[px+1]=temp;\n\t\t\treturn 0;\n\t\t}\n\t\telse\n\t\t{\n\t\t\treturn 0;\n\t\t}\n\t}\n\tif (fr%3==0)\n\t{\n\t\trt=fr/3;\n\t\tint px;\n\t\tpx=search(rt);\n\t\tif (a[fr-1]==0)\n\t\t{\n\t\t\treturn 0;\n\t\t}\n\t\telse if (p[px]%10!=rt)\n\t\t{\n\t\t\treturn 0;\n\t\t}\n\t\telse \n\t\t{\n\t\t\ttr(C,rt);\n\t\t\treturn 0;\n\t\t}\n\t}\n}\nint main()\n{\n\tCA C;\n\tint i,j;\n\tfor (i=1;i<100;i++)\n\t{\n\t\tp[i]=0;\n\t}\n\tfor (i=1;i<=3;i++)\n\t{\n\t\tscanf(\"%d %d %d\",&C[i].val,&C[i].mvrg,&C[i].thrg);\n\t\tp[C[i].val]=i;\n\t}\n\tfor (i=0;i<=9;i++)\n\t{\n\t\ta[i]=0;\n\t}\n\tfor (i=1;i<=9;i++)\n\t{\n\t\ta[i]=1;a[0]++;\n\t\tmovethrow(C,i);\n\t\ta[i]=0;a[0]--;\n\t}\n\t\n\tprintf(\"%d\",max);\n\treturn 0;\n}\n", "src_uid": "a14739b86d1fd62a030226263cdc1afc"}
{"source_code": "#include <stdio.h>\n#define mod 1000000007\n\nint f[1001],c[1001][1001],r1[1001],r2[2001];\n\nint mi(int a,long long b)\n{\n   int t;\n   if (!b)\n      return 1;\n   t=mi(a,b>>1);\n   t=(long long)t*t%mod;\n   if (b&1)\n      t=(long long)t*a%mod;\n   return t;\n}\n\nint main()\n{\n   int i,j,n,m,k,x,s=0,t=1;\n   scanf(\"%d%d%d\",&n,&m,&k);\n   if (m==1)\n      s=mi(k,n);\n   else\n   {\n      for (i=0;i<=n;i++)\n      {\n         c[i][0]=1;\n         for (j=1;j<=i;j++)\n            c[i][j]=(c[i-1][j-1]+c[i-1][j])%mod;\n      }\n      for (i=1;i<=n;i++)\n      {\n         f[i]=mi(i,n);\n         for (j=1;j<i;j++)\n            f[i]=(f[i]-(long long)f[j]*c[i][j]%mod+mod)%mod;\n      }\n      r1[0]=r2[0]=1;\n      for (i=1;i<=n;i++)\n         r1[i]=(long long)r1[i-1]*mi(i,mod-2)%mod;\n      for (i=1;i<=2*n&&i<=k;i++)\n         r2[i]=(long long)r2[i-1]*(k-i+1)%mod;\n      for (i=0;i<=n;i++)\n      {\n         x=mi(i,(long long)(m-2)*n);\n         for (j=0;i+j<=n&&i+2*j<=k;j++)\n            s=(s+(long long)r2[2*j+i]*r1[j]%mod*r1[j]%mod*r1[i]%mod*f[i+j]%mod*f[i+j]%mod*x)%mod;\n      }\n   }\n   printf(\"%d\\n\",s);\n   return 0;\n}\n", "src_uid": "f22f28e2d8933f4199ba5ccfc0de8cda"}
{"source_code": "#include <stdio.h>\n\nlong long min(long long x,long long y){return (x<y?x:y);}\nint n,prev;\nchar s[111];\nlong long k,store[111][111];\n\nvoid Main(){\n    scanf(\"%d %lld\",&n,&k);\n    scanf(\"%s\",s);\n    store[0][0] = 1;\n    for(int i = 0;i<n;i++){\n        prev = -1;\n        for(int j = 0;j<i;j++) if(s[i]==s[j]) prev = j;\n        for(int j = n;j>=1;j--){\n            for(int k = prev;k<i;k++){\n                store[j][i+1] += store[j-1][k+1];\n                store[j][i+1] = min(store[j][i+1],1000000000000ll);\n            }\n        }\n    }\n    long long Ans = 0,total = 0;\n    for(int i = n;i>=0;i--){\n        total = 0;\n        for(int j = 0;j<=n;j++) total += store[i][j];\n        if(total<k){\n            k-=total;\n            Ans+=(n-i)*total;\n        }\n        else{\n            \n            Ans += (n-i)*k;\n            k = 0;\n            break;\n        }\n    }\n    if(k==0) printf(\"%lld\\n\",Ans);\n    else puts(\"-1\");\n    return;\n}\nint main(){\n    Main();\n    return 0;\n}\n", "src_uid": "ae5d21919ecac431ea7507cb1b6dc72b"}
{"source_code": "#include <stdio.h>\n#include<math.h>\nint main()\n{\n    int n,m,x;\n    scanf(\"%d%d\",&n,&m);\n    x=m%(int)pow(2,n);\n    printf(\"%d\\n\",x);\n    return 0;\n}", "src_uid": "c649052b549126e600691931b512022f"}
{"source_code": "/*\n * LS4.2.c\n * \n * Copyright 2019  <examuser@11CPU0126L>\n * \n * This program is free software; you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation; either version 2 of the License, or\n * (at your option) any later version.\n * \n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n * \n * You should have received a copy of the GNU General Public License\n * along with this program; if not, write to the Free Software\n * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,\n * MA 02110-1301, USA.\n * \n * \n */\n\n\n#include <stdio.h>\n\nint main(int argc, char **argv)\n{\n\tint n,S,min;\n\tscanf(\"%d%d\",&n,&S);\n\tmin=((S-1)/n)+1;\n\tprintf(\"%d\",min);\n\treturn 0;\n}\n\n", "src_uid": "04c067326ec897091c3dbcf4d134df96"}
{"source_code": "#include \"stdio.h\"\n\nint main()\n{\n\tint T,S,q,count=0;\n\tscanf(\"%d%d%d\",&T,&S,&q);\n\twhile (S<T)\n\t{\n\t\tcount++;\n\t\tS*=q;\n\t}\n\tprintf(\"%d\",count);\n\treturn 0;\n}", "src_uid": "0d01bf286fb2c7950ce5d5fa59a17dd9"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int c,i ,j,n,a=0,b=0,d=1,l=3,k,s,wap;\n\n    scanf(\"%d%d%d\",&n,&k,&c);\n    for(i=n;i>=1;i--){\n        if(i*2<=k&&i*4<=c){\n            j=i;\n\n            break;\n        }\n        else {\n            j=0;\n\n        }\n    }\n    printf(\"%d\\n\",j+(j*2)+(j*4));\n    return 0;\n}\n\n", "src_uid": "82a4a60eac90765fb62f2a77d2305c01"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <ctype.h>\n#include <string.h>\n#include <math.h>\n\nint cmpfunc (const void * a, const void * b)\n{\n   return ( *(int*)a - *(int*)b );\n}\n\nint main()\n{\n    int size,max,i,counter=0,buffer=0,j,k;\n    scanf(\"%i %i\",&size,&max);\n    int array[size];\n    int array2[size];\n\n    for(i=0;i<size;++i)\n    {\n        scanf(\"%i\",&array[i]);\n        array2[i]=array[i];\n    }\n\n    qsort(array,size,sizeof(int),cmpfunc);\n\n    i=0;\n    while(counter<=max && i<=size)\n    {\n        counter += array[i];\n        ++buffer;\n        ++i;\n    }\n\n    printf(\"%i\\n\",buffer-1);\n\n    if(buffer-1==0)\n        return 0;\n    //*******************\n\n    for(j=0;j<buffer-1;++j)\n    {\n        for(k=0;k<size;++k)\n        {\n            if(array[j]==array2[k])\n            {\n                array2[k] = -1;\n                printf(\"%i \",k+1);\n                break;\n            }\n        }\n    }\n\n    printf(\"\\n\");\n\n    \n\n    return 0;\n}\n", "src_uid": "dbb164a8dd190e63cceba95a31690a7c"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n    char arr[3][3];\n    int i=0,j;\n    for(i=0;i<3;i++)\n    {\n        scanf(\"%c%c%c\",&arr[i][0],&arr[i][1],&arr[i][2]);\n        getchar();\n    }\n    char arr2[3]={'A','B','C'};\n    char arr3[3]={'0','0','0'};\n    for(j=0;j<3;j++)\n    {\n        char check=arr2[j];\n        int counter=0;\n        for(i=0;i<3;i++)\n        {\n            if(arr[i][0]==check)\n            {\n                if(arr[i][1]=='>')\n                    counter++;\n                else\n                    counter--;\n            }\n            if(arr[i][2]==check)\n            {\n                if(arr[i][1]=='>')\n                    counter--;\n                else\n                    counter++;\n            }\n        }\n        if(counter==2)\n        {\n            if(arr3[0]=='0')\n                arr3[0]=arr2[j];\n            else\n            {\n                arr3[0]='1';\n                break;\n            }\n\n        }\n        else if(counter==0)\n        {\n            if(arr3[1]=='0')\n                arr3[1]=arr2[j];\n            else\n            {\n                arr3[1]='1';\n                break;\n            }\n        }\n        else if(counter==-2)\n        {\n            if(arr3[2]=='0')\n                arr3[2]=arr2[j];\n            else\n            {\n                arr3[2]='1';\n                break;\n            }\n        }\n    }\n    if(arr3[0]=='1'||arr3[1]=='1'||arr3[2]=='1')\n        printf(\"Impossible\");\n    else\n    {\n        for(i=2;i>=0;i--)\n        {\n            printf(\"%c\",arr3[i]);\n        }\n    }\n    return 0;\n}\n", "src_uid": "97fd9123d0fb511da165b900afbde5dc"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\tint n,m,x,y;\n\tscanf(\"%d %d %d\",&n,&x,&y);\n\tn=n/2;\n\tif ((x == n || x == n + 1) && (y == n || y == n + 1)) printf(\"NO\\n\"); else printf(\"YES\\n\");\n\n \n\treturn 0;\n}\n", "src_uid": "dc891d57bcdad3108dcb4ccf9c798789"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    char s1[200],s2[200],s3[200],s4[200];\n    int l1,l2,l3,l4,i,c;\n    while(gets(s1)!=0)\n    {\n        gets(s2);\n        gets(s3);\n        gets(s4);\n        l1=strlen(s1)-2;\n        l2=strlen(s2)-2;\n        l3=strlen(s3)-2;\n        l4=strlen(s4)-2;\n        c=0;\n        if((l1>=2*l2&&l1>=2*l3&&l1>=2*l4)||(l1<=l2/2&&l1<=l3/2&&l1<=l4/2))\n        {\n            i=1;\n            c++;\n        }\n        if((l2>=2*l1&&l2>=2*l3&&l2>=2*l4)||(l2<=l1/2&&l2<=l3/2&&l2<=l4/2))\n        {\n            i=2;\n            c++;\n        }\n        if((l3>=2*l2&&l3>=2*l1&&l3>=2*l4)||(l3<=l2/2&&l3<=l1/2&&l3<=l4/2))\n        {\n            i=3;\n            c++;\n        }\n        if((l4>=2*l2&&l4>=2*l3&&l4>=2*l1)||(l4<=l2/2&&l4<=l3/2&&l4<=l1/2))\n        {\n            i=4;\n            c++;\n        }\n        if(c==0||c>1)\n            printf(\"C\\n\");\n        else\n        {\n            if(i==1)\n                printf(\"A\\n\");\n            else if(i==2)\n                printf(\"B\\n\");\n            else if(i==3)\n                printf(\"C\\n\");\n            else\n                printf(\"D\\n\");\n        }\n    }\n    return 0;\n}\n", "src_uid": "30725e340dc07f552f0cce359af226a4"}
{"source_code": "#include<stdio.h>\n#define min(a,b) a<b?a:b\nint main()\n{\n    long long n,k,a,b,s=0,c=0,mn;\n    scanf(\"%lld%lld%lld%lld\",&n,&k,&a,&b);\n    mn=(n-1)*a;\n    if(k==1||k>n)\n        printf(\"%lld\\n\",mn);\n    else\n    {\n        while(n>1)\n        {\n            if(n%k==0)\n            {\n                s+=min(b,a*(n-(n/k)));\n                n/=k;\n            }\n            else\n            {\n                s+=((n%k)*a);\n                n-=(n%k);\n            }\n            //printf(\"%lld \",n);\n        }\n        if(n==0)\n            s-=a;\n        printf(\"%lld\\n\",min(mn,s));\n    }\n}\n", "src_uid": "f838fae7c98bf51cfa0b9bd158650b10"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\n#define N\t50\n#define M\t(N * (N - 1))\n#define N_\t(N + 2)\n#define M_\t(M * 3 + 2)\n#define X\t100000\n#define INF\t0x3f3f3f3f\n\nint min(int a, int b) { return a < b ? a : b; }\n\nint oo[1 + M * 2], oh[1 + M * 2], _ = 1;\n\nint link(int o, int h) {\n\too[_] = o, oh[_] = h;\n\treturn _++;\n}\n\nint oo_[1 + M_ * 2], oh_[1 + M_ * 2], __;\n\nint link_(int o, int h) {\n\too_[__] = o, oh_[__] = h;\n\treturn __++;\n}\n\nint ae[N], af[N], ae_[N_], dd[N_], n_;\nint ii[M], jj[M], ww[M]; char tt[M]; int ij[M_], cc[M_ * 2], m_;\nint pq[1 + N], iq[N], cnt;\n\nint less(int u, int v) { return dd[u] < dd[v]; }\n\nint i2(int i) {\n\treturn (i *= 2) > cnt ? 0 : i < cnt && less(pq[i + 1], pq[i]) ? i + 1 : i;\n}\n\nvoid pq_up(int u) {\n\tint i, j, v;\n\n\tfor (i = iq[u]; (j = i / 2) && less(u, v = pq[j]); i = j)\n\t\tpq[iq[v] = i] = v;\n\tpq[iq[u] = i] = u;\n}\n\nvoid pq_dn(int u) {\n\tint i, j, v;\n\n\tfor (i = iq[u]; (j = i2(i)) && less(v = pq[j], u); i = j)\n\t\tpq[iq[v] = i] = v;\n\tpq[iq[u] = i] = u;\n}\n\nvoid pq_add_last(int u) {\n\tpq[iq[u] = ++cnt] = u;\n}\n\nint pq_remove_first() {\n\tint u = pq[1], v = pq[cnt--];\n\n\tif (v != u)\n\t\tiq[v] = 1, pq_dn(v);\n\tiq[u] = 0;\n\treturn u;\n}\n\nvoid dijkstra(int n, int s) {\n\tmemset(dd, 0x3f, n * sizeof *dd);\n\tdd[s] = 0, pq_add_last(s);\n\twhile (cnt) {\n\t\tint i = pq_remove_first(), o;\n\n\t\tfor (o = ae[i]; o; o = oo[o]) {\n\t\t\tint h = oh[o];\n\n\t\t\tif (!tt[h]) {\n\t\t\t\tint j = jj[h], d = dd[i] + ww[h];\n\n\t\t\t\tif (dd[j] > d) {\n\t\t\t\t\tif (dd[j] == INF)\n\t\t\t\t\t\tpq_add_last(j);\n\t\t\t\t\tdd[j] = d, pq_up(j);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\nvoid link2(int i, int j, int c) {\n\tint h = m_++;\n\n\tij[h] = i ^ j, cc[h << 1] = c, cc[h << 1 | 1] = 0;\n\tae_[i] = link_(ae_[i], h << 1);\n\tae_[j] = link_(ae_[j], h << 1 | 1);\n}\n\nint bfs(int s, int t) {\n\tstatic int qu[N_];\n\tint i, head, cnt;\n\n\tfor (i = 0; i < n_; i++)\n\t\tdd[i] = n_;\n\thead = cnt = 0;\n\tdd[s] = 0, qu[head + cnt++] = s;\n\twhile (cnt) {\n\t\tint d, o;\n\n\t\ti = qu[cnt--, head++], d = dd[i] + 1;\n\t\tfor (o = ae_[i]; o; o = oo_[o]) {\n\t\t\tint h_ = oh_[o];\n\n\t\t\tif (cc[h_]) {\n\t\t\t\tint h = h_ >> 1, j = i ^ ij[h];\n\n\t\t\t\tif (dd[j] > d) {\n\t\t\t\t\tdd[j] = d;\n\t\t\t\t\tif (j == t)\n\t\t\t\t\t\treturn 1;\n\t\t\t\t\tqu[head + cnt++] = j;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n}\n\nint dfs(int i, int t) {\n\tint d, o;\n\n\tif (i == t)\n\t\treturn 1;\n\td = dd[i] + 1;\n\tfor (o = ae_[i]; o; o = oo_[o]) {\n\t\tint h_ = oh_[o];\n\n\t\tif (cc[h_]) {\n\t\t\tint h = h_ >> 1, j = i ^ ij[h];\n\n\t\t\tif (dd[j] == d && dfs(j, t)) {\n\t\t\t\tcc[h_]--, cc[h_ ^ 1]++;\n\t\t\t\treturn 1;\n\t\t\t}\n\t\t}\n\t}\n\tdd[i] = n_;\n\treturn 0;\n}\n\nvoid dinic(int s, int t) {\n\twhile (bfs(s, t))\n\t\twhile (dfs(s, t))\n\t\t\t;\n}\n\nchar reachable[N];\n\nvoid dfs_(int j) {\n\tint o;\n\n\tif (reachable[j])\n\t\treturn;\n\treachable[j] = 1;\n\tfor (o = af[j]; o; o = oo[o]) {\n\t\tint h = oh[o], i = ii[h];\n\n\t\tdfs_(i);\n\t}\n}\n\nint main() {\n\tstatic double ans[X + 1];\n\tstatic int dd1[N], dd2[N], xx[M];\n\tint n, m, q, h, x, s, t;\n\n\tscanf(\"%d%d\", &n, &m);\n\tfor (h = 0; h < m; h++) {\n\t\tint i, j, w;\n\n\t\tscanf(\"%d%d%d\", &i, &j, &w), i--, j--;\n\t\tii[h] = i, jj[h] = j, ww[h] = w;\n\t\tae[i] = link(ae[i], h);\n\t}\n\tn_ = n + 2, s = n, t = n + 1;\n\tx = 0;\n\twhile (x < X) {\n\t\tint k, y, z, d, d_;\n\n\t\tmemset(tt, 0, m * sizeof *tt);\n\t\tdijkstra(n, 0);\n\t\tmemcpy(dd1, dd, n * sizeof *dd);\n\t\td = dd1[n - 1];\n\t\tmemset(ae_, 0, n_ * sizeof *ae_), __ = 1, m_ = 0;\n\t\tlink2(s, 0, INF);\n\t\tlink2(n - 1, t, INF);\n\t\tfor (h = 0; h < m; h++) {\n\t\t\tint i = ii[h], j = jj[h], w = ww[h];\n\n\t\t\tif (dd1[i] + w == dd1[j]) {\n\t\t\t\ttt[h] = 1;\n\t\t\t\tlink2(s, j, 1), link2(i, t, 1);\n\t\t\t\tif (xx[h] == 0)\n\t\t\t\t\tlink2(j, i, 1);\n\t\t\t}\n\t\t}\n\t\tdinic(s, t);\n\t\td_ = INF;\n\t\tk = 0;\n\t\tmemset(af, 0, n * sizeof *af), _ = 1 + m;\n\t\tfor (h = 0; h < m; h++) {\n\t\t\tint i = ii[h], j = jj[h];\n\n\t\t\tif (tt[h]) {\n\t\t\t\tif ((dd[i] == n_) == (dd[j] == n_)) {\n\t\t\t\t\ttt[h] = 0;\n\t\t\t\t\taf[j] = link(af[j], h);\n\t\t\t\t} else if (dd[i] != n_) {\n\t\t\t\t\ttt[h] = 1;\n\t\t\t\t\tk++;\n\t\t\t\t} else {\n\t\t\t\t\tif (xx[h] > 0) {\n\t\t\t\t\t\ttt[h] = 2;\n\t\t\t\t\t\tk--;\n\t\t\t\t\t\td_ = min(d_, d + xx[h]);\n\t\t\t\t\t} else\n\t\t\t\t\t\ttt[h] = 0;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tmemset(reachable, 0, n * sizeof *reachable);\n\t\tdfs_(n - 1);\n\t\tdijkstra(n, 0);\n\t\tmemcpy(dd2, dd, n * sizeof *dd);\n\t\td_ = min(d_, dd2[n - 1]);\n\t\tfor (h = 0; h < m; h++)\n\t\t\tif (tt[h] == 2 && dd2[ii[h]] != INF && dd1[jj[h]] != INF && reachable[jj[h]])\n\t\t\t\td_ = min(d_, d + dd2[ii[h]] + ww[h] - dd1[jj[h]]);\n\t\ty = d_ - d <= (X - x) / k ? x + (d_ - d) * k : X;\n\t\tfor (z = x; z <= y; z++)\n\t\t\tans[z] = d + (double) (z - x) / k;\n\t\tif (y < X) {\n\t\t\tfor (h = 0; h < m; h++)\n\t\t\t\tif (tt[h] == 1)\n\t\t\t\t\tww[h] += d_ - d, xx[h] += d_ - d;\n\t\t\t\telse if (tt[h] == 2)\n\t\t\t\t\tww[h] -= d_ - d, xx[h] -= d_ - d;\n\t\t}\n\t\tx = y;\n\t}\n\tscanf(\"%d\", &q);\n\twhile (q--) {\n\t\tscanf(\"%d\", &x);\n\t\tprintf(\"%f\\n\", ans[x]);\n\t}\n\treturn 0;\n}\n", "src_uid": "b0751071e12f729f6700586c5a8eed23"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint day,exam,give,check,prepare;\n\tint flag,t;\n\tint ok;\n\tint dd[100]; \n\tint num1[101],num2[101],num3[101],num4[101]; //本程序数组全部从零开始 \n\tint i,j;\n\twhile(scanf(\"%d %d\",&day,&exam)!=EOF)\n\t{\n\t\tok=0;\n//\t\tprintf(\"%d %d\\n\",day,exam);\n\t\tflag=0;\n\t\t/*基础想法，建立一个一维数组去把天数都赋值为零\n\t\t将考试的天数赋值为check+1；\n\t\t再建四个数组去保存序号，和字面上的三列数据；\n\t\t按照第二组从大到小排序 \n\t\t重右向做找非零数 并将其赋值为第一列序号值；检查是否大于等于第一列序号值 和是否可以赋值；*/\n\t\tfor(i=0;i<exam;i++)\n\t\t{\n\t\t\tnum1[i]=i+1;\n\t\t\tscanf(\"%d %d %d\",&num2[i],&num3[i],&num4[i]);\n\t\t}//数组遍历输入 \n//\t\tfor(i=0;i<exam;i++)\n//\t\t{\n//\t\t\tprintf(\"%d %d %d %d\\n\",num1[i],num2[i],num3[i],num4[i]);\n//\t\t}//数组测试 \n\t\t for(i=0;i<exam-1;i++)\n\t\t {\n\t\t \tfor(j=0;j<exam-1;j++)\n\t\t \t{\n\t\t \t\tif(num2[j]<num2[j+1])\n\t\t \t\t{\n\t\t \t\t\tt=num2[j];\n\t\t \t\t\tnum2[j]=num2[j+1];\n\t\t \t\t\tnum2[j+1]=t;\n\t\t \t\t\tt=num3[j];\n\t\t \t\t\tnum3[j]=num3[j+1];\n\t\t \t\t\tnum3[j+1]=t;\n\t\t \t\t\tt=num4[j];\n\t\t \t\t\tnum4[j]=num4[j+1];\n\t\t \t\t\tnum4[j+1]=t;\n\t\t \t\t\tt=num1[j];\n\t\t \t\t\tnum1[j]=num1[j+1];\n\t\t \t\t\tnum1[j+1]=t;\n\t\t\t\t }\n\t\t\t }\n\t\t }\n//\t\t\t\t printf(\"序号 发布 考试 复习\\n\"); \n//\t\t\t\t \t\t for(i=0;i<exam;i++)\n//\t\t\t\t{\n//\t\t\t\t\tprintf(\"%d %d %d %d\\n\",num1[i],num2[i],num3[i],num4[i]);\n//\t\t\t\t}//数组测试 \n//\t\t\t数组排序完成\n\t\t for(i=0;i<100;i++)\n\t\t {\n\t\t \tdd[i]=0;\n\t\t }\n\t\t for(i=0;i<exam;i++)\n\t\t {\n\t\t \tdd[num3[i]-1]=exam+1;\n\t\t }//将要打印出的考赋值为考试总数+1 \n\t\t \n\t\t \n//\t\t\t for(i=0;i<day;i++)\n//\t\t\t {\n//\t\t\t \tprintf(\"%d\",dd[i]);\n//\t\t\t }//测试数组赋值是否成功，测试完成 \n\t\t \n\t\t \n\t\tfor(i=0;i<exam;i++)\n\t\t{\n\t\t\tfor(j=num3[i]-2;j>=0;j--)\n\t\t\t{\n\t\t\t\twhile(num4[i]>0&&j>=0)\n\t\t\t\t{\n\t\t\t\t\tif(dd[j]==0&&j>num2[i]-2)\n\t\t\t\t\t{\n\t\t\t\t\t\tdd[j]=num1[i];\n\t\t\t\t\t\tnum4[i]--;\n\t\t\t\t\t}\n\t\t\t\t\tj--;\t\n\t\t\t\t}\n\t\t\t\tif(num4[i]>0)\n\t\t\t\tflag=1;\n\t\t\t\telse \n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif(flag==0)\n\t\t{\n\t\t\t\n\t\t\tfor(i=0;i<day;i++)\n\t\t\t {\n\t\t\t \tif(ok!=0)\n\t\t\t\t\tprintf(\" \");\n\t\t\t \tprintf(\"%d\",dd[i]);\n\t\t\t \tok++;\n\t\t\t }\n\t\t\t printf(\"\\n\");\n\t\t}\n\t\t else\n\t\t printf(\"-1\\n\");\n\t\t \n\t}\n}", "src_uid": "02d8d403eb60ae77756ff96f71b662d3"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint GetSum(int n)\n{\n    return n + n * (n - 1) / 2;\n}\n\nint main()\n{\n    int a, b;\n    scanf(\"%d %d\", &a, &b);\n    int len = abs(a - b);\n    printf(\"%d\\n\", GetSum(len / 2) + GetSum(len - len / 2));\n    return 0;\n}\n", "src_uid": "d3f2c6886ed104d7baba8dd7b70058da"}
{"source_code": "#include <stdio.h>\nint main()\n{\n    int p,r_t,t,i=0,t2=0;\n    scanf(\"%d %d\",&p,&r_t);\n    t=240-(r_t);\n    for(i=1; i<=p; i++)\n    {\n        t2=t2+i*5;\n        if(t2>t)\n        {\n            break;\n        }\n    }\n    printf(\"%d\",i-1);\n    return 0;\n}\n", "src_uid": "41e554bc323857be7b8483ee358a35e2"}
{"source_code": "#include<stdio.h>\n#define max(a,b) a>b?a:b\n#define min(a,b) a<b?a:b\nint main()\n{\n    int a,ta,b,tb,h,m,num=0,t1,t2,i,j,x,y;\n    scanf(\"%d %d\",&a,&ta);\n    scanf(\"%d %d\",&b,&tb);\n    scanf(\"%d:%d\",&h,&m);\n    t1=h*60+m;\n    t2=t1+ta;\n    for(i=5*60;i<24*60;i+=b){\n        j=i+tb;\n        int x = max(t1, i), y = min(t2, j);\n\t\tif (x < y)\n\t\t\tnum++;\n    }\n    printf(\"%d\\n\",num);\n    return 0;\n}\n", "src_uid": "1c4cf1c3cb464a483511a8a61f8685a7"}
{"source_code": "#include<stdio.h>\nint main()\n{\nlong long int l,r;\nscanf(\"%I64d%I64d\",&l,&r);\nif((r-l)<=1 || (l%2==1) && (r-l)==2)\t\nprintf(\"-1\");\nelse if(l%2==0)\nprintf(\"%I64d %I64d %I64d\",l,l+1,l+2);\nelse\nprintf(\"%I64d %I64d %I64d\",l+1,l+2,l+3); \t\n}", "src_uid": "6c1ad1cc1fbecff69be37b1709a5236d"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\nint main()\n{\n    int i,j=0;\n    char w1[50];\n    char w2[50];\n    char ansr[50];\n    char ansl[50];\n    int cr=0,cl=0,s;\n    int count=0;\n    gets(w1);\n    gets(w2);\n    s=strlen(w2);\n    for(i=0;w1[i]!='|';i++)\n    {\n        cr++;\n    }\n    for(i=cr+1;i<strlen(w1);i++)\n    {\n        cl++;\n    }\n    if(s<abs(cr-cl))\n    {\n        printf(\"Impossible\");\n        return 0;\n    }\n    else if(((cr+cl+s)%2)!=0)\n    {\n        printf(\"Impossible\");\n        return 0;\n    }\n    else\n    {\n        for(i=0;i<cr;i++)\n        {\n            ansr[i]=w1[i];\n            j++;\n        }\n        j++;\n        for(i=cr;i<(cr+cl+s)/2;i++)\n        {\n            ansr[i]=w2[count];\n            count++;\n        }\n        for(i=0;i<cl;i++)\n        {\n            ansl[i]=w1[j];\n            j++;\n        }\n        for(i=cl;i<(cr+cl+s)/2;i++)\n        {\n            ansl[i]=w2[count];\n            count++;\n        }\n    }\n    for(i=0;i<(cr+cl+s)/2;i++)\n    {\n        printf(\"%c\",ansr[i]);\n    }\n    printf(\"|\");\n    for(i=0;i<(cr+cl+s)/2;i++)\n    {\n        printf(\"%c\",ansl[i]);\n    }\n    return 0;\n}\n", "src_uid": "917f173b8523ddd38925238e5d2089b9"}
{"source_code": "#include<stdio.h>\nint main()\n{\nlong long int c,marks,temp,a=1;\nscanf(\"%lld\",&marks);\ntemp=marks;\nwhile(temp!=0)\n{\n   if(temp%a!=0)\n   {\n      break;\n   }\n   else \n   a*=3;\n}\nc=temp/a+1;\nprintf(\"%lld\",c);\n}", "src_uid": "7e7b59f2112fd200ee03255c0c230ebd"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n\tint a,b,c,d,e,i,x;\n\tscanf(\"%d %d %d %d %d\",&a,&b,&c,&d,&e);\n    for(i=0;;i++){\n    \tif(i==0){\n    \t\tx=b;\n    \t}\n    \telse{\n    \t\tx=b+i*d;\n    \t}\n    \tif(x>c){\n    \t\tx=c;\n    \t}\n    \tif(i==0){\n    \t\ta=a-x;\n    \t}\n    \telse{\n    \t\ta=a-x+e;\n    \t}\n    \tif(a<=0){\n    \t\tbreak;\n    \t}\n    }\n\tprintf(\"%d\",i+1);\n\treturn 0;\n} \n", "src_uid": "b743110117ce13e2090367fd038d3b50"}
{"source_code": "#include<stdio.h>\nvoid f(int a,int b,char *s)\n{\n\tchar n;\n\tfor(;*s!='\\0';)\n\t{\n\t\tif(*s=='B'&&*(s+1)=='G')\n\t\t{n=*s;*s=*(s+1);*(s+1)=n;s+=2;}\n\t\telse s+=1;\n\t}\n}\nint main()\n{\n\tint m,t,i;char a[1000];\n\tscanf(\"%d%d%s\",&m,&t,&a);\t\n\tfor(i=0;i<t;i++)\n\t\tf(m,t,a);\n\tputs(a);\n}\n\n\n\n\n\n", "src_uid": "964ed316c6e6715120039b0219cc653a"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    double r,x2,y2,x1,y1,d;\n    double s;\n    scanf(\"%lf%lf%lf%lf%lf\",&r,&x1,&y1,&x2,&y2);\n    d = sqrt((y2 - y1)*(y2 - y1) + (x2 - x1)*(x2 - x1));\n   \n    s=d/r/2;\n\n    printf(\"%.0lf\\n\",ceil(s));\n\n    return 0;\n}\n", "src_uid": "698da80c7d24252b57cca4e4f0ca7031"}
{"source_code": "#include<stdio.h>\nint main()\n{\n   int n;\n    scanf(\"%d\",&n);\n    if((n*n)%2!=0)\n    {\n        printf(\"1\\n\");\n    }\n    else\n    {\n        printf(\"2\\n\");\n    }\n    return 0;\n}\n", "src_uid": "816ec4cd9736f3113333ef05405b8e81"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <stdbool.h>\n#include <math.h>\n#include <time.h>\n#define SIZE 1000001\n\nint base_2[] = {0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512};\n\n/*****************************************************************************/\nint main(void)\n{   \n\n    long i, j, k, m, n, b, p, w;\n    scanf(\"%ld %ld %ld\", &n, &b, &p);\n    w = n * p;\n    k = 0;\n    j = 0;\n    i = 10;\n    while (n > 1)\n    {\n        i = 10;\n        while (base_2[i] > n)\n        {\n            --i;\n        }\n        j += base_2[i - 1];\n        k += base_2[i];\n        n -= base_2[i - 1];;\n    }\n    k *= b;\n    printf(\"%ld %ld\\n\", k + j, w);\n    return 0;\n}", "src_uid": "eb815f35e9f29793a120d120968cfe34"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,m,i=1,a,b;\n    scanf(\"%lld %lld\",&n,&m);\n    a = n;\n    b = m;\n    while(a>=0 && b>=0)\n    {\n        if(i%2!=0)\n        {\n            if(a<i)\n            {\n                printf(\"Vladik\");\n                return 0;\n            }\n            else {\n                a = a-i;\n                i++;\n            }\n        }\n        else if(i%2==0)\n        {\n            if(b<i)\n            {\n                printf(\"Valera\");\n                return 0;\n            }\n            else\n            {\n                b = b-i;\n                i++;\n            }\n        }\n\n    }\n}\n", "src_uid": "87e37a82be7e39e433060fd8cdb03270"}
{"source_code": "#include<stdio.h>\nlong long int ans,t,a,b,c,p,q,r;\nint main()\n{\n    scanf(\"%I64d %I64d %I64d\",&a,&b,&c);\n    if(a==b&&a==c)\n    {\n        printf(\"%I64d\",a);\n        return 0;\n    }\n    if(a>=b&&a>=c)\n    {\n        p=a;\n        if(b>c)\n        {\n            q=b;r=c;\n        }\n        else\n        {\n            q=c;r=b;\n        }\n    }\n    else if(b>=a&&b>=c)\n    {\n        p=b;\n        if(a>c)\n        {\n            q=a;r=c;\n        }\n        else\n        {\n            q=c;r=a;\n        }\n    }\n    else\n    {\n        p=c;\n        if(a>b)\n        {\n            q=a;r=b;\n        }\n        else\n        {\n            q=b;r=a;\n        }\n    }\n\n\n    t=(p-q)/2;\n    if(r>=t)\n    {\n        r=r-t;\n        p=p-(t*2);\n        ans=ans+t;\n    }\n    else\n    {\n        p=p-(r*2);\n        ans=ans+r;r=0;\n    }\n    p=p-r;\n    q=q-r;\n    ans=ans+r;\n    t=q*2;\n    if(p>=t)\n    {\n        ans=ans+q;\n    }\n    else\n    {\n        r=(p+q)/3;\n        ans=ans+r;\n    }\n    printf(\"%I64d\",ans);\n    return 0;\n}\n", "src_uid": "bae7cbcde19114451b8712d6361d2b01"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n\nint main()\n{\n\tlong long int t,n,l,k,d[200],a[200],flag,i,tmr,temp;\n\tscanf(\"%lld\",&t);\n\twhile(t--)\n\t{\n\t\tscanf(\"%lld %lld %lld\",&n,&k,&l);\n\t\tfor(i=0;i<n;i++)\n\t\t{\n\t\t\tscanf(\"%lld\",&d[i]);\n\t\t}\n\t\tflag=0,tmr=1000;\n\t\tfor(i=0;i<n;i++)\n\t\t{\n\t\t\tif(d[i]+k<=l)\n\t\t\t{\n\t\t\t\ta[i]=d[i];\n\t\t\t\ttmr=1000;\n\t\t\t}\n\t\t\telse if(d[i]>l)\n\t\t\t{\n\t\t\t\tflag=1;\n\t\t\t\t// printf(\"%d-%d\\n\",d[i],i);\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\telse if(d[i]+k>l)\n\t\t\t{\n\t\t\t\tif(i==0 || tmr==1000)\n\t\t\t\t{\n\t\t\t\t\ta[i]=l;\n\t\t\t\t\ttmr=l-d[i];\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif(tmr>0)\n\t\t\t\t\t{\n\t\t\t\t\t\ttemp=a[i-1]-d[i-1];\n\t\t\t\t\t\ta[i]=d[i]+tmr-1;\n\t\t\t\t\t\ttmr--;\n\t\t\t\t\t\tif(a[i]>l)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ttmr=tmr-(a[i]-l);\n\t\t\t\t\t\t\ta[i]=l;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\t\ttmr=tmr-1;\n\t\t\t\t\t\tif(d[i]-tmr>l)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tflag=1;\n\t\t\t\t\t\t\t// printf(\"%d\\n\",i);\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\ta[i]=d[i]-tmr;\n\t\t\t\t\t\t}\n\t\t\t\t\t\t// if(tmr==-k)\n\t\t\t\t\t\t// {\n\t\t\t\t\t\t// \ttmr=k;\n\t\t\t\t\t\t// }\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif(flag==1)\n\t\t{\n\t\t\tprintf(\"No\\n\");\n\t\t}\n\t\telse\n\t\t{\n\t\t\tprintf(\"Yes\\n\");\n\t\t}\n\t}\n}", "src_uid": "4941b0a365f86b2e2cf686cdf5d532f8"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint n,flag=0;\n\tscanf(\"%d\",&n);\n\tint p1,p2,a1[200],a2[200],i,j;\n\tscanf(\"%d\",&p1);\n\tfor(i=0;i<p1;i++) scanf(\"%d\",&a1[i]);\n\tfor(i=p1;i<200;i++)  a1[i]=0;\n\tscanf(\"%d\",&p2);\n\tfor(i=0;i<p2;i++) scanf(\"%d\",&a2[i]);\n\tfor(i=p2;i<200;i++) a2[i]=0;\n\tint x=0,y=0;\n\tfor(i=0;i<200;i++){\n\t\tif(a1[i]==0){\n\t\t\tflag=2;\n\t\t\tbreak;\n\t\t}\n\t\telse if(a2[i]==0){\n\t\t\tflag=1;\n\t\t\tbreak;\n\t\t}\n\t\tif(a1[i]>a2[i]){\n\t\t\ta1[p1+x]=a2[i];\n\t\t\ta1[p1+x+1]=a1[i];\n\t\t\tx=x+2;\n\t\t}\n\t\telse{\n\t\t\ta2[p2+y]=a1[i];\n\t\t\ta2[p2+y+1]=a2[i];\n\t\t\ty=y+2;\n\t\t}\n\t}\n\tif(flag==1) printf(\"%d 1\",i);\n\telse if(flag==2) printf(\"%d 2\",i);\n\telse printf(\"-1\");\n\treturn 0;\n}", "src_uid": "f587b1867754e6958c3d7e0fe368ec6e"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    char st[1000];\n    scanf(\"%s\",st);\n    if(st[0]>='a' && st[0]<='z')\n    st[0]=st[0]-32;\n    printf(\"%s\\n\",st);\n    return 0;\n    }\n", "src_uid": "29e0fc0c5c0e136ac8e58011c91397e4"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int n,i,j=1,count;\n    scanf(\"%d\",&n);\n    if(n%10==0)\n    {\n        printf(\"%d\",n);\n    }\n    else if(n%10!=0)\n    {\n        count=n%10;\n        if(count>=5)\n        {\n            for(i=1;i!=0;i=i+0)\n            {\n                n=n+i;\n                if(n%10==0)\n                {\n                    printf(\"%d\",n);\n                    exit(0);\n                }\n            }\n        }\n        else if(count<5)\n        {\n            for(i=1;i!=0;i=i+0)\n            {\n                n=n-i;\n                if(n%10==0)\n                {\n                    printf(\"%d\",n);\n                    exit(0);\n                }\n            }\n        }\n    }\n\n}\n", "src_uid": "29c4d5fdf1328bbc943fa16d54d97aa9"}
{"source_code": "#pragma comment(linker, \"/STACK:1024000000,1024000000\")\n#pragma GCC optimize(\"Ofast\")\n#pragma GCC optimize(3)\n#pragma GCC optimize(\"inline\")\n#pragma GCC target(\"sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native\")\n\n#include <stdio.h>\n\nconst int dx[5] = {0, 1, -1, 0, 0};\nconst int dy[5] = {0, 0, 0, 1, -1};\n\nint n, m, best;\nlong long g[45], rest[45];\nlong long whole;\n\nvoid dfs(long long mask, int cur, int cura) {\n\tif (cura >= best) return;\n\tif (cur >= n * m) return;\n\tif (mask == whole) best = cura;\n\telse if ((mask | rest[cur]) ^ whole) return;\n\telse dfs(mask | g[cur], cur + 1, cura + 1), \n\tdfs(mask, cur + 1, cura);\n}\n\nint main() {\n\tregister int i, j, k, x, y;\n\tscanf(\"%d%d\", &n, &m);\n\twhole = (1LL << n * m) - 1;\n\tfor (i = 0; i < n; ++ i)\n\t\tfor (j = 0; j < m; ++ j)\n\t\t\tfor (k = 0; k < 5; ++ k) {\n\t\t\t\tx = i + dx[k], y = j + dy[k];\n\t\t\t\tif (x < 0 || x >= n || y < 0 || y >= m) continue;\n\t\t\t\tg[i * m + j] |= 1LL << x * m + y;\n\t\t\t}\n\tfor (i = n * m - 1; i >= 0; -- i) rest[i] = rest[i + 1] | g[i];\n\tbest = n * m; dfs(0, 0, 0);\n\tprintf(\"%d\\n\", n * m - best);\n\treturn 0;\n}", "src_uid": "097674b4dd696b30e102938f71dd39b9"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    int n,m,r,s1[35],s2[35];\n    int min_s=1001, max_b=0;\n    scanf(\"%d %d %d\",&n,&m,&r);\n    for(int i=0;i<n;i++)\n    {\n        scanf(\"%d\",&s1[i]);\n        min_s = min_s > s1[i] ? s1[i] : min_s;\n    }\n    for(int i=0;i<m;i++)\n    {\n        scanf(\"%d\",&s2[i]);\n        max_b = max_b < s2[i] ? s2[i] : max_b;\n    }\n    if(min_s>=max_b)\n        printf(\"%d\",r);\n    else\n        printf(\"%d\",r+(r/min_s)*(max_b-min_s));\n}\n", "src_uid": "42f25d492bddc12d3d89d39315d63cb9"}
{"source_code": "#include <stdio.h>\n\nint main(void) {\n\t// count the number of 1..9\n\t// check if cucumber can press\n\tchar a[4][4];\n\tint k;\n\tint panel[9]= {0};\n\tint temp;\n\tscanf(\"%d\\n\", &k);\n\tfor (int i = 0; i<4; i++)\n\t{\n\t\tfor (int j= 0; j < 4; j++)\n\t\t{\n\t\t\tscanf(\" %c\", &a[i][j]);\n\t\t\tif (a[i][j] != '.')\n\t\t\t{\n\t\t\t\ttemp = a[i][j] - '0';\n\t\t\t\tpanel[temp -1]++;\n\t\t\t}\n\t\t}\n\t}\n\tfor (int i = 0; i < 9; i++)\n\t{\n\t\tif (panel[i] > k*2)\n\t\t{\n\t\t\tprintf(\"NO\");\n\t\t\treturn 0;\n\t\t}\n\t}\n\tprintf(\"YES\");\n}\n", "src_uid": "5fdaf8ee7763cb5815f49c0c38398f16"}
{"source_code": "#include<stdio.h>\nint main()\n{\nlong d,l,k,n,p,x,z;\nscanf(\"%ld\",&p);\nn=0;\nk=0;\nd=p;\nwhile(p-->1)\n{\nx=p;\nk=0;\nl=1;\n    for(z=d-2;z>=1;--z)\n    {\n        l=(x*l)%d;\n            if((l-1)%d==0)\n            {\n                k=1;\n                break;\n            }\n    }\n    if(k==0)\n    {\n            l=(x*l)%d;\n            if((l-1)%d==0)\n            n++;\n    }\n}\nprintf(\"%ld\",n);\nreturn 0;\n}\n", "src_uid": "3bed682b6813f1ddb54410218c233cff"}
{"source_code": "#include <stdio.h>\n\n#define N\t100\n\nint main() {\n\tstatic int aa[N];\n\tint n, i, cnt;\n\n\tscanf(\"%d\", &n);\n\tfor (i = 0; i < n; i++)\n\t\tscanf(\"%d\", &aa[i]);\n\tfor (i = 1; i < n; i++)\n\t\tif (aa[i - 1] != 1 && aa[i] != 1) {\n\t\t\tprintf(\"Infinite\\n\");\n\t\t\treturn 0;\n\t\t}\n\tprintf(\"Finite\\n\");\n\tcnt = 0;\n\tfor (i = 1; i < n; i++)\n\t\tcnt += aa[i] == 1 ? aa[i - 1] + 1 : i >= 2 && aa[i] == 2 && aa[i - 2] == 3 ? 2 : aa[i] + 1;\n\tprintf(\"%d\\n\", cnt);\n\treturn 0;\n}\n", "src_uid": "6c8f028f655cc77b05ed89a668273702"}
{"source_code": "#include <stdio.h>\nvoid news(int *a,int start,int num,int sum,int newsum,int *flag)\n{\n    int i;\n    if (num==3){\n        if (newsum==sum-newsum){\n            *flag=1;\n            return;\n        }\n    }\n    for (i=start;i<6;++i) news(a,i+1,num+1,sum,newsum+a[i],flag);\n}\nint main(void)\n{\n    int a[6],i,sum,flag=0;\n    for (i=0;i<6;++i) {\n        scanf(\"%d\",&a[i]);\n        sum+=a[i];\n    }\n    news(a,0,0,sum,0,&flag);\n    if (flag==1) printf(\"YES\");\n    else printf(\"NO\");\n    return 0;\n}\n", "src_uid": "2acf686862a34c337d1d2cbc0ac3fd11"}
{"source_code": "#include<stdio.h>\nint main(){\n \nint a,n;\n    scanf(\"%d\",&n);\n    while(scanf(\"%d\",&a)!=EOF){\n\t   int p=9,q=0;\n    int str[9]={0};\n        if(a<10)\n            printf(\"%d\\n\",a);\n        \n       else if(a>=10){\n         for(int j=0;j<9;j++){\n         \t\n             for(int k=1;k<=p;k++){\n              str[j]=k;\n                 if(str[0]+str[1]+str[2]+str[3]+str[4]+str[5]+str[6]+str[7]+str[8]==a){\n                     q=j;\n           for(;q>=0;q--){\n               printf(\"%d\",str[q]);\n           }  printf(\"\\n\");        \n                 }\n                     \n             }p--;\n         }   }\n}\n}\n   \t\t\t \t\t  \t\t \t \t \t   \t   \t\t  \t", "src_uid": "fe126aaa93acaca8c8559bc9e7e27b9f"}
{"source_code": "#include<stdio.h>\n#include<math.h>\nint main()\n{\n    float A,B,C,D,E,F;\n    scanf(\"%f %f\",&A,&B);\n    C=(1/B);\n    D=1-C;\n    F=1/D;\n    E=A*F;\n    if(A < B){\n        printf(\"%0.0f\\n\",A);\n    }\n    else if(A==B){\n        printf(\"%0.0f\\n\",A+1);\n    }\n    else if(B ==4 && A/B ==2.25 || A/B ==1.5){\n        printf(\"%0.0f\\n\",E-1);\n    }\n    else if(B == 4){\n        printf(\"%0.0f\\n\",E);\n    }\n    else if (A > B){\n        printf(\"%0.0f\\n\",E-1);\n    }\n    return 0;\n}", "src_uid": "a349094584d3fdc6b61e39bffe96dece"}
{"source_code": "#include <stdio.h>\n\nint l[26]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101},prime[2000001];\nchar hash[20000001];\nint k,a,b,ans=0;\n\nvoid dfs(int now,int s,int f)\n{\n   if (l[now]==k)\n      ans+=f*(b/s-(a-1)/s);\n   else\n   {\n      dfs(now+1,s,f);\n      if ((long long)s*l[now]<=b)\n         dfs(now+1,s*l[now],-f);\n   }\n}\n\nint main()\n{\n   int i,j,o=0;\n   scanf(\"%d%d%d\",&a,&b,&k);\n   b/=k;\n   a=(long long)(a+k-1)/k;\n   for (i=2;i*i<=k&&k%i;i++);\n   if (i*i>k)\n      if (k<=100)\n         dfs(0,1,1);\n      else\n      {\n         ans+=(a==1&&b>=1);\n         for (i=2;i<=b;i++)\n         {\n            if (!hash[i])\n            {\n               ans+=(i>=k&&a<=i);\n               prime[++o]=i;\n            }\n            for (j=1;prime[j]*i<=b;j++)\n            {\n               hash[prime[j]*i]=1;\n               ans+=(prime[j]>=k&&a<=prime[j]*i);\n               if (i%prime[j]==0)\n                  break;\n            }\n         }\n      }\n   printf(\"%d\\n\",ans);\n   return 0;\n}\n", "src_uid": "04a26f1d1013b6e6b4b0bdcf225475f2"}
{"source_code": "#include<stdio.h>\n\nint is_leap_year(int year)\n{\n    int flag = 0;\n    if(year%400==0) flag = 1;\n    else if(year%4 == 0 && year%100) flag = 1;\n\n    return flag;\n}\n\nint in_days(int y1, int m1, int d1)\n{\n    int d = d1;\n\n    int Months[12] ={31,28,31,30,31,30,31,31,30,31,30,31};\n\n    int i;\n\n    for(i=0;i<m1-1;i++)\n    {\n        d+=Months[i];\n    }\n\n    d += (y1-1)*365;\n\n    d += (y1-1)/4;\n\n    d -= (y1-1)/100;\n\n    d += (y1-1)/400;\n\n\n\n    if(m1>=3)\n    {\n        if(is_leap_year(y1)) d++;\n    }\n\n     //printf(\"**%d\\n\",d);\n\n    return d;\n}\n\nint main()\n{\n    int y1,m1,d1,y2,m2,d2;\n\n    scanf(\"%d:%d:%d\",&y1,&m1,&d1);\n    scanf(\"%d:%d:%d\",&y2,&m2,&d2);\n\n\n\n\n    int d,D;\n\n    d = in_days(y1,m1,d1);\n\n    D = in_days(y2,m2,d2);\n\n    printf(\"%d\",abs(D-d));\n\n\n\n\n\n\n\n}\n", "src_uid": "bdf99d78dc291758fa09ec133fff1e9c"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main()\n{\n    char s1[105],s2[105],ans[105];\n    int i,j,k,l,len,n,m,x;\n    scanf(\"%s\",s1);\n    scanf(\"%s\",s2);\n    len=strlen(s1);\n    x=0;\n    for(i=0;i<len;i++)\n    {\n        if(s2[i]>s1[i])\n        {\n            x=1;\n            break;\n        }\n        if(s2[i]==s1[i])\n        {\n            ans[i]='z';\n        }\n        if(s2[i]<s1[i])\n        {\n            ans[i]=s2[i];\n        }\n    }\n    ans[len]='\\0';\n    if(x==0) printf(\"%s\\n\",ans);\n    if(x==1) printf(\"-1\\n\");\n\n}", "src_uid": "ce0cb995e18501f73e34c76713aec182"}
{"source_code": "/*\nAuthor:\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n%%%%%%%%   LALIT KUNDU      %%%%%%%% \n%%%%%%%%   IIIT HYDERABAD   %%%%%%%%\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n*/\n#include<stdio.h>\n#include<string.h>\n#include<stdlib.h>\n#include<math.h>\n#include<malloc.h>\n#define min(a,b)(a>b?b:a)\n#define max(a,b)(a<b?b:a)\n#define sort(arr,n) qsort(arr,n,sizeof(arr[0]),compare)\n#define sd(n) scanf(\"%d\",&n)\n#define sl(n) scanf(\"%lld\",&n)\n#define su(n) scanf(\"%llu\",&n)\n#define rep(i,start,end) for(i=start; i<end; i++)\n#define pdn(n) printf(\"%d\\n\",n)\n#define pln(n) printf(\"%lld\\n\",n)\n#define pun(n) printf(\"%llu\\n\",n)\n#define pd(n) printf(\"%d\",n)\n#define pl(n) printf(\"%lld\",n)\n#define pu(n) printf(\"%llu\",n)\n#define pn printf(\"\\n\")\n#define ps printf(\" \")\n#define llu long long int\n#define MOD 1000000007\nllu mpow(llu a, llu n)  \n{\n    llu ret=1;\n    llu b=a;\n    while(n) \n    {   \n        if(n&1) ret=(ret*b)%MOD;\n        b=(b*b)%MOD;\n        n>>=1;\n    }   \n    return (llu)ret;\n}\nint main()\n{\n    int i;\n    char str[109];\n    scanf(\"%s\",str);\n    int len=strlen(str);\n    llu p=mpow(2,len-1),count=1,ans=0;\n    for(i=len-1; i>=0; i--)\n    {\n        ans=(ans+(p*(str[i]-'0')*count))%MOD;\n        count=(count*2)%MOD;\n    }\n    printf(\"%lld\\n\",ans);\n    return 0;\n}\n\n", "src_uid": "89b51a31e00424edd1385f2120028b9d"}
{"source_code": "#include<stdio.h>\n#define MOD 1000000007\n\nlong long mpow(long long a, long long p)\n{\n  a %= MOD;\n  \n  long long r = 1;\n  while (p) {\n    if ((1 & p)) r = (r * a) % MOD;\n    a = (a * a) % MOD;\n    p >>= 1;\n  }\n  return r;\n}\n\nint inv(long long x)\n{ return mpow(x, MOD-2); }\n\n#define MAXF 100005\n\nlong long factorial[MAXF];\n\nlong long possib(long long width, long long boxes, long long minh)\n{\n  long long separators = width-1;\n  long long elements = boxes-width*minh;\n\n  if(elements < 0) return 0;\n  else return (factorial[separators+elements]*inv(factorial[separators]*factorial[elements])) % MOD;\n}\n\nlong long all_possib, nice_possib;\nvoid add_all(long long x)\n{\n  x %= MOD;\n  all_possib += x;\n  all_possib %= MOD;\n}\nvoid add_nice(long long x)\n{\n  x %= MOD;\n  nice_possib += x;\n  nice_possib %= MOD;\n}\n\nint main()\n{\n  long long fac;\n  int i;\n  int result;\n\n  i = 0;\n  for(fac = 1; i<MAXF; fac = fac*i % MOD){\n    factorial[i] = fac;\n    i++;\n  }\n\n  int F, W, H, width;\n  scanf(\"%d %d %d\\n\", &F, &W, &H);\n\n  if(W == 0 || F == 0){\n    if(W == 0 || W > H) printf(\"1\\n\");\n    else printf(\"0\\n\");\n    return 0;\n  }\n\n  all_possib = 0;\n  nice_possib = 0;\n  for(width=1; width<=W; width++){\n    add_all(possib(width, F, 1)*possib(width, W, 1));\n    add_all(possib(width+1, F, 1)*possib(width, W, 1));\n    add_all(possib(width, W, 1)*possib(width, F, 1));\n    add_all(possib(width+1, W, 1)*possib(width, F, 1));\n\n    add_nice(possib(width, F, 1)*possib(width, W, H+1));\n    add_nice(possib(width+1, F, 1)*possib(width, W, H+1));\n    add_nice(possib(width, W, H+1)*possib(width, F, 1));\n    add_nice(possib(width+1, W, H+1)*possib(width, F, 1));\n  }\n  result = nice_possib*inv(all_possib) % MOD;\n\n  printf(\"%d\\n\", result);\n\n  return 0;\n}\n", "src_uid": "a69f95db3fe677111cf0558271b40f39"}
{"source_code": "\n//bainchod\n//bainchod\n//bainchod\n//bainchod\n//bainchod\n//bainchod\n//bainchod\n\n#include<stdio.h>\nint main ()\n{\n    int n;\n    scanf(\"%d\",&n);\n\n    printf(\"%d\",(n/2)+n);\n\n\n\n}\n", "src_uid": "031e53952e76cff8fdc0988bb0d3239c"}
{"source_code": "#include<stdio.h>\n#include<math.h>\n\nint main(){\n    double n,R,r;\n    double pi = 3.141592653589793;\n    double ht;\n\tint flag = 0;\n    scanf(\"%lf%lf%lf\",&n,&R,&r);\n\n\tif(r<=R){\n\t\tif(n==1){\n\t\t\tif(r<=R) flag = 1;\n\t\t}else if(n==2){\n\t\t\tif(2*r<=R) flag = 1;\n\t\t}else{\n\t\t\tht = asin(r/(R-r));\n\t\t\tif(n*ht - 1e-7 <= pi) flag = 1;\n\t\t}\n\t}\n    if(flag){\n    \tprintf(\"YES\");\n    }else{\n    \tprintf(\"NO\");\n    }\n\n\treturn 0;\n}\n", "src_uid": "2fedbfccd893cde8f2fab2b5bf6fb6f6"}
{"source_code": "#include <stdio.h>\nint b[9];\nvoid printDivisors(int n)\n{\n    for (int i=n;i>=1;i--)\n    { \n    \t  if (n%i==0)\n            {\n          \t\tfor (int j = 0; j< 9; ++j)\n          \t\t{\n          \t\t\t//printf(\"%d\\n\",b[j]);\n          \t\t\tif (b[j]==i)\n          \t\t\t{\n          \t\t\t\tprintf(\"%d\\n\",i );\n          \t\t\t\treturn ;\n          \t\t\t}\n          \t\t}\n            }\n    }\n}\nvoid function()\n{\n\tfor (int i = 1;  ((1<<i)-1)*(1<<(i-1))<=100000; ++i)\n\t{\n\t\tb[i]=((1<<i)-1)*(1<<(i-1));\n\t\t//printf(\"%d\\n\",b[i] );\n\n\t}\n}\n/* Driver program to test above function */\nint main()\n{\n    int n;\n    scanf(\"%d\",&n);\n    //printDivisors(n);\n    function();\n   // printf(\"%d\\n\",((1<<2)-1)*(1<<(2-1)) );\n    printDivisors(n);\n    return 0;\n}\n", "src_uid": "339246a1be81aefe19290de0d1aead84"}
{"source_code": "#include <stdio.h>\nint main(void)\n{\n    int i,j,b,k,l,n,max=0,a=0,count1=0,count2=0;\n    int bin[100];\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++){\n        scanf(\"%d\",&bin[i]);\n        if(bin[i]==1){\n            count1++;\n        }\n    }\n    for(i=0;i<n;i++){\n        a=0;\n        count2=0;\n        for(l=0;l<i;l++){\n            if(bin[l]==1){\n                a++;\n                count2++;\n            }\n        }\n        for(j=i;j<n;j++){\n            if(bin[j]==1){\n                count2++;\n            }\n            if((1-bin[j])==1){\n                a++;\n            }\n             if((a+(count1-count2))>max){\n                max=a+(count1-count2);\n            }\n        }\n    }\n    printf(\"%d\",max);\n    return 0;\n}\n", "src_uid": "9b543e07e805fe1dd8fa869d5d7c8b99"}
{"source_code": "#include <stdio.h>\n\nint main()\n{\n\n\tint n, k, i, solution = 0;\n\tint groups[100][2] = {{0}};\n\t\n\tscanf(\"%i %i\", &n, &k);\n\tfor (i = 0; i < n; ++i)\n\t{\n\t\n\t\tint a;\n\t\t\n\t\tscanf(\"%i\", &a);\n\t\t++groups[i % k][a - 1];\n\t\t\n\t}\n\t\n\tfor (i = 0; i < k; ++i)\n\t{\n\t\tsolution += ((groups[i][0] < groups[i][1]) ? groups[i][0] : groups[i][1]);\n\t}\n\t\n\tprintf(\"%d\\n\", solution);\n\t\n\treturn 0;\n\t\n}", "src_uid": "5f94c2ecf1cf8fdbb6117cab801ed281"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n\nint min(int a, int b) {return a<b?a:b;}\nchar a[200];\nint na[10],nb[10];\n\nint main()\n{    \n    int i;\n\tscanf(\"%s\",a);\n    for(i=0;i<strlen(a);i++)\n        {\n\t\t int p=a[i]-'0';\n         if(p==9) p=6;\n         if(p==5) p=2;\n         na[p]++;\n        }\n    scanf(\"%s\",a);\n    for(i=0;i<strlen(a);i++)\n       {\n         int q=a[i]-'0';\n         if(q==9) q=6;\n         if(q==5) q=2;\n         nb[q]++;\n       }\n    int n=201;\n    for(i=0;i<10;i++)\n      if(na[i]!=0)\n        n=min(n,nb[i]/na[i]);\t\n   printf(\"%d\",n);\n   return 0;\n}\n", "src_uid": "72a196044787cb8dbd8d350cb60ccc32"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    char str[100],t;\n    int n;\n    int i,j;\n    int count=1;\n    scanf(\"%d\",&n);\n    getchar();\n    scanf(\"%s\",str);\n    getchar();\n    if (n<26)\n    {\n        printf(\"NO\");\n        return 0;\n    }\n    for (i=0;i<n;i++)\n    {\n        if (str[i]<=90)\n        {\n            str[i]+=32;\n        }\n    }\n    for (i=1;i<n;i++)\n    {\n        for (j=0;j<i;j++)\n            if (str[i]==str[j])\n                goto s;\n        count++;\n        s:;\n    }\n    if (count==26) printf(\"YES\");\n    else printf(\"NO\");\n    return 0;\n}\n\n\n                                                                                                            ", "src_uid": "f13eba0a0fb86e20495d218fc4ad532d"}
{"source_code": "#include<stdio.h>\nint main()\n{ \nlong long int n,i,j,k,l=0,x=1;\nscanf(\"%lld\",&n); \nfor(i=1;i<=n;i++)\n{\nx=2*x;\nl=l+x;\n}\nprintf(\"%lld\",l);\nreturn 0;\n}\n", "src_uid": "f1b43baa14d4c262ba616d892525dfde"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\nint main()\n{\n    int r,c,i,j,sum=0,result=0,flag1=0,flag2=0;\n    scanf(\"%d%d\",&r,&c);\n    char x[r+1][c+1];\n    char p;\n    for(i=1;i<=r;i++)\n    {\n        for(j=1;j<=c;j++)\n        {\n            scanf(\"%c\",&p);\n            if(p=='S'||p=='.')\n            {\n                x[i][j]=p;\n            }\n            else\n            {\n                j--;\n            }\n        }\n    }\ni=1;j=1;\n    while(j<=c&&i<=r)\n    {\n        if(x[i][j]=='S')\n        {\n\n            i++;\n            j=1;\n        }\n        else\n        {\n            j++;\n            if(j>c)\n            {\n                flag1++;\n                sum+=c;\n                j=1;\n                i++;\n\n            }\n        }\n     }\n         i=1;j=1;\n    while(j<=c&&i<=r)\n    {\n        if(x[i][j]=='S')\n        {\n\n            j++;\n            i=1;\n        }\n        else\n        {\n            i++;\n            if(i>r)\n            {\n                flag2++;\n                result+=r;\n                i=1;\n                j++;\n\n            }\n        }\n     }\n     printf(\"%d\",(sum+result)-(flag1*flag2));\n    return 0;\n    }\n\n\n\n", "src_uid": "ebaf7d89c623d006a6f1ffd025892102"}
{"source_code": "#include <stdio.h>\r\n\r\nint a[7];\r\n\r\nint main(){\r\n\tint t;\r\n\tscanf(\"%d\", &t);\r\n\tfor (int i = 1; i <= t; i++){\r\n\t\tint x;\r\n\t\tscanf(\"%d\", &x);\r\n\t\tfor (int j = 1; j <= 3; j++){\r\n\t\t\tscanf(\"%d\", &a[j]);\r\n\t\t}\r\n\t\tif (a[x] == 0){\r\n\t\t\tprintf(\"NO\\n\");\r\n\t\t} else {\r\n\t\t\tint t = x;\r\n\t\t\tx = a[x];\r\n\t\t\ta[t] = 0;\r\n\t\t\tif (a[x] == 0){\r\n\t\t\t\tprintf(\"NO\\n\");\r\n\t\t\t} else {\r\n\t\t\t\tprintf(\"YES\\n\");\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\treturn 0;\r\n}", "src_uid": "5cd113a30bbbb93d8620a483d4da0349"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n\nint main()\n{\n    int n, a, b, cnt=0, x, c;\n\n    scanf(\"%d\",&n);\n\n    for(a=1;a<=n;a++)\n    {\n        for(b=a;b<=n;b++)\n        {\n            c=a*a+b*b;\n            if(c>n*n)\n                continue;\n            x=(int)sqrt(c*1.0);\n            if(x*x==c)\n                cnt++;\n        }\n    }\n    printf(\"%d\\n\",cnt);\n\n    return 0;\n}\n", "src_uid": "36a211f7814e77339eb81dc132e115e1"}
{"source_code": "#include<stdio.h>\n#include<string.h>\n__int64 d[1<<18][100];\nint main(int argc, char const *argv[])\n{\n    int m,i,j,l,k;  //l:n的位数\n    int a[18],b[10];\n\n    __int64 n;\n    memset(d,0,sizeof(int)*100*(1<<18));\n    memset(b,0,sizeof(int)*10);\n    scanf(\"%I64d%d\",&n,&m);\n    for(l=0;n;++l)\n    {\n        a[l]=n%10;\n        n/=10;\n        if(a[l] && !b[a[l]])\n        {\n            d[1<<l][a[l]%m]=1;\n            b[a[l]]=1;\n        }   \n    }\n    \n\n\n    for(i=1;i< 1<<l;++i)\n        for(j=0;j<m;++j)\n        {\n            if(!d[i][j])\n                continue;\n            for(k=0;k<10;++k)\n                b[k]=0;\n            for(k=0;k<l;++k)\n                if(!(i&(1<<k))  && !b[a[k]] )\n                {\n                    d[i | (1<<k)][(j*10+(a[k]))%m]+=d[i][j];\n                    b[a[k]]=1;\n                }\n        }\n    printf(\"%I64d\\n\",d[(1<<l)-1][0]);\n    return 0;\n}", "src_uid": "5eb90c23ffa3794fdddc5670c0373829"}
{"source_code": "#include <stdio.h>\nmain(){\n    long long int a,b,x,y,temp;\n scanf(\"%I64d %I64d %I64d %I64d\",&a,&b,&x,&y);\n long long int t1=x,t2=y;\n while(t2!=0){\n     temp=t2;\n     t2=t1%t2;\n     t1=temp;\n }\n    x=x/t1;\n    y=y/t1;\n    if(a/x<b/y) printf(\"%I64d\",a/x);\n    else printf(\"%I64d\",b/y);\n    \n}", "src_uid": "907ac56260e84dbb6d98a271bcb2d62d"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    char table[8][8];\n    int i , j ;\n    int counter = 0 ;\n    int total = 0 ;\n\n    for ( i=0 ; i<8 ; ++i ){\n        scanf(\"%s\" , table[i]);\n    }\n\n    for ( i=0 ; i<8 ; ++i ){\n        counter = 0;\n        for ( j=0 ; j<8 ; ++j ){\n            if ( table[i][j] == 'B' ){\n                ++counter ;\n            }\n        }\n        if ( counter == 8 ){\n            ++total ;\n        }\n    }\n\n    if ( total == 8 ){\n        printf(\"8\");\n        return 0 ;\n    }\n\n    for ( j=0 ; j<8 ; ++j ){\n        counter = 0;\n        for ( i=0 ; i<8 ; ++i ){\n            if ( table[i][j] == 'B' ){\n                ++counter ;\n            }\n        }\n        if ( counter == 8 ){\n            ++total ;\n        }\n    }\n\n    printf(\"%d\",total);\n\n    return 0;\n}\n", "src_uid": "8b6ae2190413b23f47e2958a7d4e7bc0"}
{"source_code": "/*\n * main.c\n *\n *  Created on: 30 ���� 2014 �.\n *      Author: ulgish\n */\n#include <stdio.h>\n#include <string.h>\n#include <stdlib.h>\n#include <math.h>\n\ntypedef unsigned long long uint64;\ntypedef long long int64;\ntypedef char byte;\n\nvoid int64_print(int64 n){\n\tint64 carry = 10;\n\tchar buf[20];\n\tbuf[0] = '\\0';\n\tint i = 0, j;\n\twhile (n > 0){\n\t\tbuf[i] = n % carry;\n\t\tn = n / carry;\n\t\ti += 1;\n\t}\n\ti--;\n\tfor (j = i; j>= 0; j--){\n\t\tprintf(\"%c\", 48 + buf[j]);\n\t}\n}\nvoid uint64_print(uint64 n){\n\tuint64 carry = 10;\n\tchar buf[20];\n\tbuf[0] = '\\0';\n\tint i = 0, j;\n\twhile (n > 0){\n\t\tbuf[i] = n % carry;\n\t\tn = n / carry;\n\t\ti += 1;\n\t}\n\ti--;\n\tfor (j = i; j>= 0; j--){\n\t\tprintf(\"%c\", 48 + buf[j]);\n\t}\n}\n\n\nuint64 uint64_read(){\n\tchar* s = (char*) calloc(20, sizeof(char));\n\ts[0] = '\\0';\n\tscanf(\"%s\", s);\n\t//printf(\"=======%s\\n\", s);\n\tuint64 ret = 0;\n\tuint64 carry = 1;\n\tint len = strlen(s), i;\n\tfor (i = 0; i < len; i++){\n\t\tret += carry * (s[len-1-i] - 48);\n\t\tcarry*=10;\n\t};\n\tfree(s);\n\treturn ret;\n}\n\n\nint64 int64_read(){\n\tchar* s = (char*) calloc(21, sizeof(char));\n\ts[0] = '\\0';\n\tscanf(\"%s\", s);\n\t//printf(\"=======%s\\n\", s);\n\tint64 ret = 0;\n\tint64 carry = 1;\n\tint len = strlen(s), i;\n\tfor (i = 0; i < len; i++){\n\t\tret += carry * (s[len-1-i] - 48);\n\t\tcarry*=10;\n\t};\n\tfree(s);\n\treturn ret;\n}\n\n\ntypedef struct{\n\tbyte index[26];\n}set;\n\ntypedef set* setp;\n\nsetp set_create(){\n\tsetp ret = (setp) malloc(sizeof(set));\n\tmemset(ret->index, 0x0, sizeof(byte)*26);\n\treturn ret;\n}\n\nint set_count(setp s,char c){\n\tbyte i = (byte) (c - 'a');\n\treturn s->index[i];\n}\n\nsetp set_add(setp s, char c){\n\tbyte i = (byte) (c - 'a');\n\ts->index[i]++;\n\treturn s;\n}\n\nint set_in(setp part, setp global){\n\tint i;\n\tfor (i = 0; i < 26; i++){\n\t\tif (part->index[i] > global->index[i]){\n\t\t\treturn 0;\n\t\t}\n\t}\n\treturn 1;\n}\n\nint set_not_equal(setp set1, setp set2){\n\treturn (memcmp(set1->index, set2->index, sizeof(byte)*26));\n}\n\nsetp set_free(setp s){\n\tfree(s);\n\ts = NULL;\n\treturn s;\n}\n\nsetp set_from_str(const char* s){\n\tint len = strlen(s);\n\tsetp ret = set_create();\n\tint i;\n\tfor (i = 0; i < len; i++){\n\t\tret = set_add(ret, s[i]);\n\t}\n\treturn ret;\n}\n\nint main(){\n\tchar s[102], t[102];\n\tscanf(\"%s %s\", s, t);\n\t//printf(\"%s\\t %s\", s, t);\n\tsetp set_s = set_from_str(s);\n\tsetp set_t = set_from_str(t);\n\tint len_s = strlen(s);\n\tint len_t = strlen(t);\n\tif (!set_in(set_t, set_s)){\n\t\tprintf(\"need tree\\n\");\n\t\treturn 0;\n\t}\n\n\tif ((len_t == len_s) && (!set_not_equal(set_s, set_t))){\n\t\tprintf(\"array\\n\");\n\t\tset_s = set_free(set_s);\n\t\tset_t = set_free(set_t);\n\t\treturn 0;\n\t}\n\tset_s = set_free(set_s);\n\tset_t = set_free(set_t);\n\tint i_s = 0, i_t = 0;\n\twhile ((i_s < len_s) && (i_t < len_t)){\n\t\tif (t[i_t] == s[i_s]){\n\t\t\ti_t++;\n\t\t}\n\t\ti_s++;\n\t}\n\tif ((i_t == len_t) && (i_s <= len_s)){\n\t\tprintf(\"automaton\\n\");\n\t\treturn 0;\n\t}else{\n\t\tprintf(\"both\\n\");\n\t\treturn 0;\n\t}\n\treturn 0;\n}\n", "src_uid": "edb9d51e009a59a340d7d589bb335c14"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\nint main(void)\n{\n    int i, n, s, pos_c, pos_s, vel_c, win;\n    char states[201], direction[10];\n    \n    memset(states, 0, sizeof(states));\n    memset(direction, 0, sizeof(direction));\n    \n    scanf(\"%d%d%d%*s%s%s\", &n, &pos_s, &pos_c, direction, states);\n    \n    if (!strcmp(direction, \"head\")) vel_c = -1;\n    else vel_c = 1;\n\n    s = strlen(states);\n\n    if (pos_s < pos_c) pos_s = 1;\n    else pos_s = n;\n\n    win = 0;\n\n    for (i = 0; i < s; i++)\n    {\n        if (pos_c == pos_s) { win = 1; break; }\n        if (pos_c == 1 && vel_c == -1) vel_c = 1;\n        if (pos_c == n && vel_c == 1) vel_c = -1;\n        \n        if (states[i] == '0')\n        {\n            pos_c += vel_c;\n        }\n        else\n        {\n            pos_c += vel_c;\n            if (pos_c > 1) {\n                if (vel_c == 1) pos_s = 1;\n                else pos_s = n;\n            }\n            if (pos_c < n) {\n                if (vel_c == -1) pos_s = n;\n                else pos_s = 1;\n            }\n        }\n    }\n\n    if (win)\n        printf(\"Controller %d\\n\", i);\n    else\n        printf(\"Stowaway\\n\");\n    \n    return 0;\n}\n", "src_uid": "2222ce16926fdc697384add731819f75"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<math.h>\n\n\nint main(){\n    int n,*arr,i,alice,maj=0,total,max,*result = malloc(100*sizeof(int));\n    scanf(\"%d\",&n);\n    arr = (int*)malloc(n*sizeof(int));\n    for(i=0;i<n;i++){\n        scanf(\"%d\",&arr[i]);\n        maj = maj + arr[i];\n    }\n    maj = maj/2;\n    alice = arr[0];\n    if(alice>maj){\n        printf(\"%d\\n%d\",1,1);\n        return 0;\n    }\n    total = alice;\n    max = -1;\n    int k =1;\n    result[0]=1;\n    for(i=1;i<n;i++){\n     if(arr[i]<=alice/2){\n\n        result[k]=i+1;\n         k++;\n         total = total + arr[i];\n     }\n    }\n    if(total>maj){\n        printf(\"%d\\n\",k);\n        for(i=0;i<k;i++){\n            printf(\"%d \",result[i]);\n        }\n    }\n    else{\n        printf(\"%d\",0);\n    }\n    \n return 0;   \n}", "src_uid": "0a71fdaaf08c18396324ad762b7379d7"}
{"source_code": "#include <stdio.h>\n#include <math.h>\n#include <conio.h>\nint all_p_factor(int* ara,int* power,int number){\n    int factor=2,i=0,p;\n    if(number==1){\n        ara[0]=1;power[0]=1;\n        return 1;\n    }\n    while(number!=1){\n        if((number%factor)==0){\n            ara[i]=factor;\n            p=0;\n            while((number%factor)==0){\n                number=number/factor;\n                p++;\n            }\n            power[i]=p;\n            i++;\n        }\n        factor++;\n    }\n    return i;\n}\nint max_(int* data,int sz){\n    int i,mx=0;\n    for(i=0;i<sz;i++){\n        if(mx<data[i])mx=data[i];\n    }\n    return mx;\n}\nint _chk(int* data,int j){\n    int i;\n    for(i=0;i<j;i++){\n        if(data[i]!=data[0])return 0;\n    }\n    return 1;\n}\nint main(){\n    int i,prime[22],power[22],num,min_num=1,op=0,j;\n    double mx,lg,cl;\n    scanf(\"%d\",&num);\n    j=all_p_factor(prime,power,num);\n        mx=max_(power,j);\n        lg=log2(mx);\n        if(lg==ceil(lg)){\n            if(_chk(power,j)==0){\n                op=((int)ceil(lg))+1;\n            }\n            else{\n                op=(int)ceil(lg);\n            }\n        }\n        else{\n            op=((int)ceil(lg))+1;\n        }\n\n    for(i=0;i<j;i++)min_num*=prime[i];\n    printf(\"%d %d \",min_num,op);\n    return 0;\n}\n", "src_uid": "212cda3d9d611cd45332bb10b80f0b56"}
{"source_code": "#include<stdio.h>\nint main(){\n   char ar[100],b[100];\n   scanf(\"%s %s\",ar,b);\n   printf(\"%c\",ar[0]);\n   int i;\n   for( i=1;ar[i]!='\\0';i++){\n       if(ar[i]-'a'<b[0]-'a'){\n           printf(\"%c\",ar[i]);\n       }\n       else{\n           printf(\"%c\",b[0]);\n           break;\n       }\n   }\n   if(ar[i]=='\\0'){\n       printf(\"%c\",b[0]);\n   }\n}", "src_uid": "aed892f2bda10b6aee10dcb834a63709"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n#include <limits.h>\n\n#define FOR(i, a, b) for (i = (a); i < (b); ++i)\n#define REP(i, n) FOR(i, 0, n)\n\nint cmpfunc (const void * a, const void * b){\n\t//qsort(values, 5, sizeof(int), cmpfunc);\n\treturn ( *(int*)a - *(int*)b );\n}\n\nlong long min(long long a,long long b){\n\treturn a < b ? a : b;\n}\n\nlong long max(long long a,long long b){\n\treturn a > b ? a : b;\n}\n// long long ncr(int n, int k) \n// { \n//     long long C[k+1]; \n//     memset(C, 0, sizeof(C)); \n//   \tint i;\n//   \tint j;\n//     C[0] = 1;  // nC0 is 1 \n  \n//     for (i = 1; i <= n; i++) \n//     { \n//         // Compute next row of pascal triangle using \n//         // the previous row \n//         for ( j = min(i, k); j > 0; j--) \n//             C[j] = C[j] + C[j-1]; \n//     } \n//     return C[k]; \n// } \n\nvoid solve(int t){\n\tint n,k;\n\tscanf(\"%d%d\",&n,&k);\n\tint a[n];\n\tint i,j;\n\tfor(i = 0;i < n;i++){\n\t\tscanf(\"%d\",&a[i]);\n\t}\n\n\t// printf(\"Case #%d: %ld\\n\",t,count);\t\n}\n\nlong long gcd(long long a , long long b)\n{\n   if(b==0) return a;\n   a%=b;\n   return gcd(b,a);\n}\n\nint main(){\n\tint n,k,a,b;\n\tscanf(\"%d%d\",&n,&k);\n\tscanf(\"%d%d\",&a,&b);\n\tint i,j;\n\tlong long maximum = LLONG_MIN, minimum = LLONG_MAX;\n\tlong long l = a-b;\n\tlong long total = (long long)n*k;\n\twhile(l <= total){\n\t\tif(l <= 0){\n\t\t\tl += k;\n\t\t\tcontinue;\n\t\t}\n\t\tlong long g = ((long long)n*k)/gcd((long long)n*k,(long long)l);\n\n\t\tmaximum = max(g,maximum);\n\t\tminimum = min(g,minimum);\n\t\tl += k;\n\t}\n\n\tl = a+b;\n\twhile(l <= total){\n\t\tif(l <= 0){\n\t\t\tl += k;\n\t\t\tcontinue;\n\t\t}\n\t\tlong long g = ((long long)n*k)/gcd((long long)n*k,(long long)l);\n\n\t\tmaximum = max(g,maximum);\n\t\tminimum = min(g,minimum);\n\t\tl += k;\n\t}\n\n\tl = k-a+b;\n\twhile(l <= total){\n\t\tif(l <= 0){\n\t\t\tl += k;\n\t\t\tcontinue;\n\t\t}\n\t\tlong long g = ((long long)n*k)/gcd((long long)n*k,(long long)l);\n\n\t\tmaximum = max(g,maximum);\n\t\tminimum = min(g,minimum);\n\t\tl += k;\n\t}\n\n\tl = k-a-b;\n\twhile(l <= total){\n\t\tif(l <= 0){\n\t\t\tl += k;\n\t\t\tcontinue;\n\t\t}\n\t\tlong long g = ((long long)n*k)/gcd((long long)n*k,(long long)l);\n\n\t\tmaximum = max(g,maximum);\n\t\tminimum = min(g,minimum);\n\t\tl += k;\n\t}\n\n\tprintf(\"%I64d %I64d\\n\",minimum,maximum);\n}", "src_uid": "5bb4adff1b332f43144047955eefba0c"}
{"source_code": "#include <stdio.h>\n#include <string.h>\n\ntypedef unsigned long long ull;\ntypedef unsigned char uchar;\n\n#define MAX 222\nint g[MAX][MAX];\nint gn[MAX];\nint n;\nint where[MAX];\n\ntypedef struct {\n    ull key[4];\n    int at;\n} hashdata_t;\n\n#define MAXHASH 5000007\nint maxhash=MAXHASH;\n\nuchar hash[(MAXHASH+7)/8];  /*  bit i set if element i is taken */\nhashdata_t hashdata[MAXHASH];\n\nint gethash(hashdata_t *h) {\n    int res=h->key[0]%maxhash;\n    res=((ull)res*maxhash+h->key[1])%maxhash;\n    res=((ull)res*maxhash+h->key[2])%maxhash;\n    res=((ull)res*maxhash+h->key[3])%maxhash;\n    res=(res*3+h->at)%maxhash;\n    return res;\n}\n\n#define HASHBIT(pos) (hash[pos>>3]&(1<<(pos&7)))\n\nint gethashpos(hashdata_t *h) {\n  int pos=gethash(h),i;\n  while(1) {\n    if(!HASHBIT(pos)) break;\n        for(i=0;i<4;i++) if(hashdata[pos].key[i]!=h->key[i]) goto next;\n        if(hashdata[pos].at!=h->at) goto next;\n    break;\n    next:\n    pos++; if(pos==maxhash) pos=0;\n  }\n  return pos;\n}\n\nint exists(hashdata_t *h) {\n    int pos=gethashpos(h),i;\n    for(i=0;i<4;i++) if(hashdata[pos].key[i]!=h->key[i]) return 0;\n    return hashdata[pos].at==h->at;\n}\n\nvoid puthash(hashdata_t *h) {\n  int pos=gethashpos(h);\n  hash[pos>>3]|=1<<(pos&7);\n  hashdata[pos]=*h;\n}\n\nvoid inithashdata() {\n  memset(hash,0,sizeof(hash));\n}\n\n#define Q 500000\nint qs,qe,qe2;\nhashdata_t q[Q];\n\n#define SET(var,i) var[(i)>>6]|=1ULL<<((i)&63)\n#define CLEAR(var,i) var[(i)>>6]&=~(1ULL<<((i)&63))\n#define ISSET(var,i) var[(i)>>6]&(1ULL<<((i)&63))\n\nvoid insert1(ull mask[4],int at) {\n    hashdata_t h;\n    int i;\n    h.key[0]=mask[0];\n    h.key[1]=mask[1];\n    h.key[2]=mask[2];\n    h.key[3]=mask[3];\n    h.at=at;\n    if(exists(&h)) return;\n    puthash(&h);\n    q[qe2].at=at;\n    q[qe2].key[0]=mask[0];\n    q[qe2].key[1]=mask[1];\n    q[qe2].key[2]=mask[2];\n    q[qe2].key[3]=mask[3];\n    qe2++; if(qe2==Q) qe2=0;\n}\n\nvoid pop(hashdata_t *h) {\n    h->key[0]=q[qs].key[0];\n    h->key[1]=q[qs].key[1];\n    h->key[2]=q[qs].key[2];\n    h->key[3]=q[qs].key[3];\n    h->at=q[qs].at;\n    qs++; if(qs==Q) qs=0;\n}\n\nint bfs() {\n    int i,j,moves=0,done;\n    ull cur[4];\n    hashdata_t c;\n    qs=qe=qe2=0;\n    for(i=0;i<4;i++) cur[i]=0;\n    for(i=0;i<n;i++) SET(cur,i);\n    insert1(cur,0);\n    insert1(cur,1);\n    insert1(cur,2);\n    qe=qe2;\n    while(qs!=qe) {\n        while(qs!=qe) {\n            pop(&c);\n            /* remove all at current computer */\n            do {\n                done=1;\n                for(i=0;i<n;i++) if(where[i]==c.at && ISSET(c.key,i)) {\n                    for(j=0;j<gn[i];j++) if(ISSET(c.key,g[i][j])) goto wrong;\n                    /* perform game i */\n                    CLEAR(c.key,i);\n                    done=0;\n                wrong:;\n                }\n            } while(!done);\n            if(!c.key[0] && !c.key[1] && !c.key[2] && !c.key[3]) return moves;\n            /* move to next computer */\n            c.at=(c.at+1)%3;\n            insert1(c.key,c.at);\n        }\n        qe=qe2;\n        moves++;\n    }\n    puts(\"ERROR\");\n    return -1;\n}\n\nint main() {\n    int i,j,k;\n    memset(g,0,sizeof(g));\n    scanf(\"%d\",&n);\n    for(i=0;i<n;i++) scanf(\"%d\",&where[i]),where[i]--;\n    for(i=0;i<n;i++) {\n        scanf(\"%d\",&k);\n        gn[i]=k;\n        for(j=0;j<k;j++) {\n            scanf(\"%d\",&g[i][j]);\n            g[i][j]--;\n        }\n    }\n    inithashdata();\n    printf(\"%d\\n\",bfs()+n);\n    return 0;\n}\n", "src_uid": "be42e213ff43e303e475d77a9560367f"}
{"source_code": "#include<stdio.h>\nint main()\n{ int n,k,ar[21],x=0,i,j,m;\nscanf(\"%d%d\",&n,&k);\n m=n;\nfor(i=0;i<k;i++)\n{\n\tfor(j=2;j<=n;j++)\n\tif(m%j==0)\n\t  {ar[i]=j;\n\t  x++;\n\t  break;\n\t  }\n\tm=m/j;\n\t}\n\tm=1;\n\t\n\tif(x==k)\n{\tfor(i=0;i<k-1;i++)\t\nm=m*ar[i];\t\nar[k-1]=n/m;\t\nfor(i=0;i<k;i++)\nprintf(\"%d \",ar[i]);\n}\nelse\nprintf(\"-1\");\t\n\t\nreturn 0;\t\n}", "src_uid": "bd0bc809d52e0a17da07ccfd450a4d79"}
{"source_code": "#include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#define me(x) memset(x,0,sizeof(x))\nlong n,a[105],p[16]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53};\nlong dp[105][65536],ch[105][65536],va[60];\nlong ab(long x)\n{\n\treturn x>0?x:-x;\n}\nlong an[105];\nint main()\n{\n\tlong i,j,k;\n\tscanf(\"%ld\",&n);\n\tfor (i=1;i<=n;i++) scanf(\"%ld\",&a[i]);\n\tme(dp[0]);\n\tfor (i=1;i<=n;i++) for (j=0;j<65536;j++) dp[i][j]=99999999;\n\tfor (j=1;j<=58;j++)\n\t{\n\t\tva[j]=0;\n\t\tfor (i=0;i<16;i++) if (j%p[i]==0) va[j]+=1<<i;\n\t}\n\tfor (i=0;i<n;i++)\n\t{\n\t\tfor (j=0;j<65536;j++)\n\t\tfor (k=1;k<=58;k++) if (!(j&va[k])&&dp[i+1][j|va[k]]>dp[i][j]+ab(k-a[i+1]))\n\t\t{\n\t\t\tdp[i+1][j|va[k]]=dp[i][j]+ab(k-a[i+1]);\n\t\t\tch[i+1][j|va[k]]=k;\n\t\t}\n\t}\n\tj=65535;\n\tfor (i=n;i>0;i--)\n\t{\n\t\tan[i]=ch[i][j];\n\t\tj^=va[ch[i][j]];\n\t}\n\tfor (i=1;i<=n;i++)\n\t{\n\t\tprintf(\"%ld\",an[i]);\n\t\tif (i!=n) printf(\" \");\n\t}\n\treturn 0;\n}\n", "src_uid": "f26c74f27bbc723efd69c38ad0e523c6"}
{"source_code": "#include<stdio.h>\nint count=0;\nvoid fun(char a[],int i,int j)\n\n{\n\tint nl,nr,nu,nd,k;\n\tnl=nr=nd=nu=0;\n\tfor(k=i;k<=j;k++)\n\t{\n\t\t if(a[k]=='L')\n\t\t nl++;\n\t\t  if(a[k]=='R')\n\t\t  nr++;\n\t\tif(a[k]=='U')\n\t\t   nu++;\n\t\t    if(a[k]=='D')\n\t\t    nd++;\n\t\t //printf(\"%c\",a[k]);\n\t}\n//\tprintf(\"\\n\");\n\tif(nl==nr&&nu==nd)\n\tcount++;\n}\nint main()\n{\n\tint n,i,j;\n\tchar a[1000];\n\tscanf(\"%d\",&n);\n\tscanf(\"%s\",&a);\n\tfor(i=0;i<n;i++)\n\t{\n\t\tfor(j=0;j<n;j++)\n\t\t{\n\t\t\tif((j+i)<n)\n\t\t\tfun(a,j,j+i);\n\t\t}\n\t}\n\tprintf(\"%d\",count);\n}\n", "src_uid": "7bd5521531950e2de9a7b0904353184d"}
{"source_code": "#include <stdio.h>\n\nint main(){\n\nint i, n, m, c = 0, a;\nscanf(\"%d%d\", &n, &m);\nfor(i = 1; i <= n; i++){\n    c = c + i;\n    if(c == m){\n       printf(\"0\\n\");\n       break;\n    }\n    else if(i == n && c < m){\n       i = 0;\n    }\n    else if(c > m){\n       c = c - i;\n       a = m - c;\n       printf(\"%d\\n\", a);\n       break;\n    }\n}\n\nreturn 0;\n}\n", "src_uid": "5dd5ee90606d37cae5926eb8b8d250bb"}
{"source_code": "#include<stdio.h>\n#include<string.h>\nint main (){int n,i,l,count=0,m=0;char integer[10],result[10000];scanf(\"%d\",&n);snprintf(integer, 10, \"%d\", n);l=strlen(integer);int starting=1,we_can_start_now=0,next=0;for(;;){for(i=0;i<l;i++){if(integer[i]>='1' && starting==1)result[m]='1',m++,starting=0,integer[i]=integer[i]-'1'+48;if(we_can_start_now==1){if(integer[i]>='1')result[m]='1',m++,integer[i]=integer[i]-'1'+48;else result[m]='0',m++;}if(starting==0)we_can_start_now=1,next=1;}starting=1;we_can_start_now=0;/*printf(\" \");*/if(next==0)break;result[m]=' ',m++;count++;next=0;}printf(\"%d\\n\",count);puts(result);return 0;}\n\n", "src_uid": "033068c5e16d25f09039e29c88474275"}
{"source_code": "\n#include <stdio.h>\n\nint main(void)\n{\n    long long int filyaS, filyaE;\n    long long int sonyaS, sonyaE;\n    long long int k;\n    long long int meetingS, meetingE;\n    \n    scanf(\"%lld %lld %lld %lld %lld\", &filyaS, &filyaE, &sonyaS, &sonyaE, &k);\n    \n    if(filyaS>sonyaS)\n    {\n        meetingS=filyaS;\n    }\n    else\n    {\n        meetingS=sonyaS;\n    }\n    \n    if(filyaE>sonyaE)\n    {\n        meetingE=sonyaE;\n    }\n    else\n    {\n        meetingE=filyaE;\n    }\n    \n    if(meetingE-meetingS>=0)\n    {\n        if(k>=meetingS&&meetingE>=k)\n        {\n            printf(\"%lld\", meetingE-meetingS);\n        }\n        else\n        {\n            printf(\"%lld\", meetingE-meetingS+1);\n        }\n    }\n    else\n    {\n        printf(\"0\");\n    }\n\n    return 0;\n}\n", "src_uid": "9a74b3b0e9f3a351f2136842e9565a82"}
{"source_code": "#include<stdio.h>\nint main()\n{\n        int a[3],b[2],i,j,ans,mid;\n        while(scanf(\"%d %d %d\",&a[0],&a[1],&a[2])!=EOF)\n        {\n             ans=0;\n             for(i=0;i<3;i++)\n                for(j=1;j<3;j++)\n                {\n                    if(a[i]>a[j])\n                    {\n                        mid=a[i];\n                        a[i]=a[j];\n                        a[j]=mid;\n                    }\n                }\n                ans=a[0];a[1]=a[1]-a[0];a[2]=a[2]-a[0];\n                ans = ans+ a[2]/3 + a[1]/3; b[0]=a[1]%3;b[1]=a[2]%3;\n                if(b[0]+b[1]==4&&a[0]!=0)\n                   printf(\"%d\\n\",a[0]+1+ a[2]/3+a[1]/3);\n                else \n                    printf(\"%d\\n\",ans);\n        }\n        return 0;\n    \n}\n", "src_uid": "acddc9b0db312b363910a84bd4f14d8e"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    int k, a, b, v;\n    int temp;\n    int sum = 0;\n    scanf(\"%d%d%d%d\", &k, &a, &b, &v);\n    temp = a;\n    if(a < v)\n        sum = 1;\n    else\n        if(b < k-1)\n            {\n                temp = a - (b+1) * v;\n                sum++;\n                if(temp)\n                   // sum = 1;\n              //  else\n                   sum +=((temp-1)/v + 1);\n            }\n        else\n        {\n            while(temp > 0 && b >= k-1)\n            {\n                temp = temp - k * v;\n                sum++;\n                b = b - k + 1;\n            }\n            if (b < k-1 && temp > 0)\n            {\n                temp = temp - (b + 1) * v;\n                if(temp <= 0)\n                    sum++;\n                else\n                {\n                    if(temp % v)\n                        sum += temp / v + 2;\n                    else\n                        sum += temp / v + 1;\n                }\n            }\n\n        }\n    printf(\"%d\\n\", sum);\n    return 0;\n}\n", "src_uid": "7cff20b1c63a694baca69bdf4bdb2652"}
{"source_code": "#include<stdio.h>\n\nint main()\n{\n    int n,a[110][110],sum=0;\n    scanf(\"%d\",&n);\n    for(int i=0;i<n;i++)\n    {\n    for(int j=0;j<n;j++)\n    {\n    scanf(\"%d\",&a[i][j]);\n    sum=sum+a[i][j];\n    }\n    } \n    if(n<=3)\n    {\n    printf(\"%d\",sum);\n    }\n    else\n    {\n  for(int j=1;j<n;j++)\n   {\n   sum=sum-a[0][j];\n    sum=sum-a[n-1][j];\n    sum=sum-a[j][0];\n    sum=sum-a[j][n-1];\n    j++;\n   }\n    printf(\"%d\",sum);\n    }\n    return 0;\n}", "src_uid": "5ebfad36e56d30c58945c5800139b880"}
{"source_code": "#include <stdio.h>\nint main()\n{\n\tint n,a,b;\n\tscanf(\"%d\\n%d\\n%d\",&n,&a,&b);\n\tif(4*a+2*b<=n)\n\t   printf(\"1\");\n    else if((4*a<=n&&2*b<=n)||(3*a<=n&&a+2*b<=n)||(2*a+b<=n))\n       printf(\"2\");\n    else if((2*a<=n&&2*b<=n)||(a+b<=n&&2*a<=n)||(4*a<=n))\n       printf(\"3\");\n\telse if((a+b)<=n||2*a<=n)\n\t   printf(\"4\");\n\telse if(2*b<=n)\n\t   printf(\"5\");\n\telse\n       printf(\"6\");\n\treturn 0;\n}\n", "src_uid": "1a50fe39e18f86adac790093e195979a"}
{"source_code": "#include <stdio.h>\n#include <stdlib.h>\n\nint main()\n{\n    long long int X[4][2] , Y[4][2] , a , b , c , d ;\n    int i , j , countA=0 , countB=0 , countC=0 , countD=0 , sameX=0 , sameY=0 ;\n\n    for(i=0 ; i<4 ; i++)\n    {\n        scanf(\"%lld %lld %lld %lld\",&X[i][0],&Y[i][0],&X[i][1],&Y[i][1]);\n        if((X[i][0] == X[i][1] && Y[i][0] == Y[i][1]) || (X[i][0] != X[i][1] && Y[i][0] != Y[i][1]))\n        {\n            printf(\"NO\");\n            return 0;\n        }\n        if(X[i][0] != X[i][1])\n        {\n            a = X[i][0];\n            b = X[i][1];\n        }\n        else\n            sameX++;\n        \n        if(Y[i][0] != Y[i][1])\n        {\n            c = Y[i][0];\n            d = Y[i][1];\n        }\n        else\n            sameY++;\n    }\n    \n    if(sameX ==4 || sameY ==4)\n    {\n        printf(\"NO\");\n        return 0;\n    }\n    \n    for(i=0 ; i<4 ; i++)\n        for(j=0 ; j<2 ; j++)\n        {\n            if(X[i][j] == a)    countA++;\n            else if(X[i][j] == b)    countB++;\n\n            if(Y[i][j] == c)    countC++;\n            else if(Y[i][j] == d)    countD++;\n        }\n\n    if(countA==4 && countB==4 && countC==4 && countD==4)\n        printf(\"YES\");\n    else\n        printf(\"NO\");\n\n    return 0;\n}", "src_uid": "ad105c08f63e9761fe90f69630628027"}
{"source_code": "#include<stdio.h>\nint main()\n{\n    long long int n,x,i,count=0;\n    scanf(\"%I64d %I64d\",&n,&x);\n    for(i=1;i<=n;i++)\n    {\n        if(n*i>=x && x%i==0)\n        count++;\n    }\n    printf(\"%I64d\\n\",count);\n    return 0;\n}\n", "src_uid": "c4b139eadca94201596f1305b2f76496"}