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package main
import (
"fmt"
"rcu"
"sort"
)
var ascPrimesSet = make(map[int]bool) | 0Ascending primes
| 0go
| 6t3p |
local function is_prime(n)
if n < 2 then return false end
if n % 2 == 0 then return n==2 end
if n % 3 == 0 then return n==3 end
for f = 5, n^0.5, 6 do
if n%f==0 or n%(f+2)==0 then return false end
end
return true
end
local function ascending_primes()
local digits, candidates, primes = {1,2,3,4,5,6,7,8,9}, {0}, {}
for i = 1, #digits do
for j = 1, #candidates do
local value = candidates[j] * 10 + digits[i]
if is_prime(value) then primes[#primes+1] = value end
candidates[#candidates+1] = value
end
end
table.sort(primes)
return primes
end
print(table.concat(ascending_primes(), ", ")) | 0Ascending primes
| 1lua
| cy92 |
use strict;
use warnings;
use ntheory qw( is_prime );
print join('', map { sprintf "%10d", $_ } sort { $a <=> $b }
grep /./ && is_prime($_),
glob join '', map "{$_,}", 1 .. 9) =~ s/.{50}\K/\n/gr; | 0Ascending primes
| 2perl
| w1e6 |
from sympy import isprime
def ascending(x=0):
for y in range(x*10 + (x%10) + 1, x*10 + 10):
yield from ascending(y)
yield(y)
print(sorted(x for x in ascending() if isprime(x))) | 0Ascending primes
| 3python
| xawr |
x=("1 2" "3 4")
y=(5 6)
sum=( "${x[@]}" "${y[@]}" )
for i in "${sum[@]}"; do echo "$i"; done
1 2
3 4
5
6 | 1Array concatenation
| 4bash
| ak1r |
(TYPE *)array_concat((const void *)(A), (An), (const void *)(B), (Bn), sizeof(TYPE));
void *array_concat(const void *a, size_t an,
const void *b, size_t bn, size_t s)
{
char *p = malloc(s * (an + bn));
memcpy(p, a, an*s);
memcpy(p + an*s, b, bn*s);
return p;
}
const int a[] = { 1, 2, 3, 4, 5 };
const int b[] = { 6, 7, 8, 9, 0 };
int main(void)
{
unsigned int i;
int *c = ARRAY_CONCAT(int, a, 5, b, 5);
for(i = 0; i < 10; i++)
printf(, c[i]);
free(c);
return EXIT_SUCCCESS;
} | 1Array concatenation
| 5c
| wpec |
(concat [1 2 3] [4 5 6]) | 1Array concatenation
| 6clojure
| 8x05 |
package main
import "fmt"
func main() { | 1Array concatenation
| 0go
| c69g |
def list = [1, 2, 3] + ["Crosby", "Stills", "Nash", "Young"] | 1Array concatenation
| 7groovy
| 3dzd |
(++) :: [a] -> [a] -> [a] | 1Array concatenation
| 8haskell
| pjbt |
public static Object[] concat(Object[] arr1, Object[] arr2) {
Object[] res = new Object[arr1.length + arr2.length];
System.arraycopy(arr1, 0, res, 0, arr1.length);
System.arraycopy(arr2, 0, res, arr1.length, arr2.length);
return res;
} | 1Array concatenation
| 9java
| rug0 |
var a = [1,2,3],
b = [4,5,6],
c = a.concat(b); | 1Array concatenation
| 10javascript
| b7ki |
fun main(args: Array<String>) {
val a: Array<Int> = arrayOf(1, 2, 3) | 1Array concatenation
| 11kotlin
| v921 |
a = {1, 2, 3}
b = {4, 5, 6}
for _, v in pairs(b) do
table.insert(a, v)
end
print(table.concat(a, ", ")) | 1Array concatenation
| 1lua
| ucvl |
my @arr1 = (1, 2, 3);
my @arr2 = (4, 5, 6);
my @arr3 = (@arr1, @arr2); | 1Array concatenation
| 2perl
| 0ws4 |
$arr1 = array(1, 2, 3);
$arr2 = array(4, 5, 6);
$arr3 = array_merge($arr1, $arr2); | 1Array concatenation
| 12php
| 5lus |
arr1 = [1, 2, 3]
arr2 = [4, 5, 6]
arr3 = [7, 8, 9]
arr4 = arr1 + arr2
assert arr4 == [1, 2, 3, 4, 5, 6]
arr4.extend(arr3)
assert arr4 == [1, 2, 3, 4, 5, 6, 7, 8, 9] | 1Array concatenation
| 3python
| 8x0o |
a1 <- c(1, 2, 3)
a2 <- c(3, 4, 5)
a3 <- c(a1, a2) | 1Array concatenation
| 13r
| x1w2 |
enum { MAX_ROWS=14, MAX_NAMES=20, NAME_SZ=80 };
char *Lines[MAX_ROWS] = {
,
,
,
,
,
,
,
,
,
,
,
,
};
typedef struct {
unsigned bit3s;
unsigned mask;
unsigned data;
char A[NAME_SZ+2];
}NAME_T;
NAME_T names[MAX_NAMES];
unsigned idx_name;
enum{ID,BITS,QDCOUNT,ANCOUNT,NSCOUNT,ARCOUNT,MAX_HDR};
unsigned header[MAX_HDR];
unsigned idx_hdr;
int bit_hdr(char *pLine);
int bit_names(char *pLine);
void dump_names(void);
void make_test_hdr(void);
int main(void){
char *p1; int rv;
printf();
make_test_hdr();
idx_name = 0;
for( int i=0; i<MAX_ROWS;i++ ){
p1 = Lines[i];
if( p1==NULL ) break;
if( rv = bit_hdr(Lines[i]), rv>0) continue;
if( rv = bit_names(Lines[i]),rv>0) continue;
}
dump_names();
}
int bit_hdr(char *pLine){
char *p1 = strchr(pLine,'+');
if( p1==NULL ) return 0;
int numbits=0;
for( int i=0; i<strlen(p1)-1; i+=3 ){
if( p1[i] != '+' || p1[i+1] != '-' || p1[i+2] != '-' ) return 0;
numbits++;
}
return numbits;
}
int bit_names(char *pLine){
char *p1,*p2 = pLine, tmp[80];
unsigned sz=0, maskbitcount = 15;
while(1){
p1 = strchr(p2,'|'); if( p1==NULL ) break;
p1++;
p2 = strchr(p1,'|'); if( p2==NULL ) break;
sz = p2-p1;
tmp[sz] = 0;
int k=0;
for(int j=0; j<sz;j++){
if( p1[j] > ' ') tmp[k++] = p1[j];
}
tmp[k]= 0; sz++;
NAME_T *pn = &names[idx_name++];
strcpy(&pn->A[0], &tmp[0]);
pn->bit3s = sz/3;
if( pn->bit3s < 16 ){
for( int i=0; i<pn->bit3s; i++){
pn->mask |= 1 << maskbitcount--;
}
pn->data = header[idx_hdr] & pn->mask;
unsigned m2 = pn->mask;
while( (m2 & 1)==0 ){
m2>>=1;
pn->data >>= 1;
}
if( pn->mask == 0xf ) idx_hdr++;
}
else{
pn->data = header[idx_hdr++];
}
}
return sz;
}
void dump_names(void){
NAME_T *pn;
printf();
for( int i=0; i<MAX_NAMES; i++ ){
pn = &names[i];
if( pn->bit3s < 1 ) break;
printf(,pn->A, pn->bit3s, pn->mask, pn->data);
}
puts();
}
void make_test_hdr(void){
header[ID] = 1024;
header[QDCOUNT] = 12;
header[ANCOUNT] = 34;
header[NSCOUNT] = 56;
header[ARCOUNT] = 78;
header[BITS] = 0xB50A;
} | 2ASCII art diagram converter
| 5c
| c39c |
arr1 = [1, 2, 3]
arr2 = [4, 5, 6]
arr3 = [7, 8, 9]
arr4 = arr1 + arr2
arr4.concat(arr3) | 1Array concatenation
| 14ruby
| isoh |
fn main() {
let a_vec = vec![1, 2, 3, 4, 5];
let b_vec = vec![6; 5];
let c_vec = concatenate_arrays(&a_vec, &b_vec);
println!("{:?} ~ {:?} => {:?}", a_vec, b_vec, c_vec);
}
fn concatenate_arrays<T: Clone>(x: &[T], y: &[T]) -> Vec<T> {
let mut concat = x.to_vec();
concat.extend_from_slice(y);
concat
} | 1Array concatenation
| 15rust
| n0i4 |
package main
import (
"fmt"
"log"
"math/big"
"strings"
)
type result struct {
name string
size int
start int
end int
}
func (r result) String() string {
return fmt.Sprintf("%-7s %2d %3d %3d", r.name, r.size, r.start, r.end)
}
func validate(diagram string) []string {
var lines []string
for _, line := range strings.Split(diagram, "\n") {
line = strings.Trim(line, " \t")
if line != "" {
lines = append(lines, line)
}
}
if len(lines) == 0 {
log.Fatal("diagram has no non-empty lines!")
}
width := len(lines[0])
cols := (width - 1) / 3
if cols != 8 && cols != 16 && cols != 32 && cols != 64 {
log.Fatal("number of columns should be 8, 16, 32 or 64")
}
if len(lines)%2 == 0 {
log.Fatal("number of non-empty lines should be odd")
}
if lines[0] != strings.Repeat("+--", cols)+"+" {
log.Fatal("incorrect header line")
}
for i, line := range lines {
if i == 0 {
continue
} else if i%2 == 0 {
if line != lines[0] {
log.Fatal("incorrect separator line")
}
} else if len(line) != width {
log.Fatal("inconsistent line widths")
} else if line[0] != '|' || line[width-1] != '|' {
log.Fatal("non-separator lines must begin and end with '|'")
}
}
return lines
}
func decode(lines []string) []result {
fmt.Println("Name Bits Start End")
fmt.Println("======= ==== ===== ===")
start := 0
width := len(lines[0])
var results []result
for i, line := range lines {
if i%2 == 0 {
continue
}
line := line[1 : width-1]
for _, name := range strings.Split(line, "|") {
size := (len(name) + 1) / 3
name = strings.TrimSpace(name)
res := result{name, size, start, start + size - 1}
results = append(results, res)
fmt.Println(res)
start += size
}
}
return results
}
func unpack(results []result, hex string) {
fmt.Println("\nTest string in hex:")
fmt.Println(hex)
fmt.Println("\nTest string in binary:")
bin := hex2bin(hex)
fmt.Println(bin)
fmt.Println("\nUnpacked:\n")
fmt.Println("Name Size Bit pattern")
fmt.Println("======= ==== ================")
for _, res := range results {
fmt.Printf("%-7s %2d %s\n", res.name, res.size, bin[res.start:res.end+1])
}
}
func hex2bin(hex string) string {
z := new(big.Int)
z.SetString(hex, 16)
return fmt.Sprintf("%0*b", 4*len(hex), z)
}
func main() {
const diagram = `
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ID |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|QR| Opcode |AA|TC|RD|RA| Z | RCODE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QDCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ANCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| NSCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ARCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
`
lines := validate(diagram)
fmt.Println("Diagram after trimming whitespace and removal of blank lines:\n")
for _, line := range lines {
fmt.Println(line)
}
fmt.Println("\nDecoded:\n")
results := decode(lines)
hex := "78477bbf5496e12e1bf169a4" | 2ASCII art diagram converter
| 0go
| wbeg |
val arr1 = Array( 1, 2, 3 )
val arr2 = Array( 4, 5, 6 )
val arr3 = Array( 7, 8, 9 )
arr1 ++ arr2 ++ arr3 | 1Array concatenation
| 16scala
| tifb |
import Text.ParserCombinators.ReadP
import Control.Monad (guard)
data Field a = Field { fieldName :: String
, fieldSize :: Int
, fieldValue :: Maybe a}
instance Show a => Show (Field a) where
show (Field n s a) = case a of
Nothing -> n ++ "\t" ++ show s
Just x -> n ++ "\t" ++ show s ++ "\t" ++ show x
newtype Data a = Data { fields :: [Field a] }
instance Show a => Show (Data a) where
show (Data fs) = "NAME\tSIZE\tVALUE\n" ++ unlines (show <$> fs)
instance Read (Data a) where
readsPrec _ = readP_to_S parseData
parseData = do n <- parseHeader
guard (n `elem` [8,16,32,64])
Data . concat <$> many1 (parseRow n)
where
parseRow n = do
fs <- char '|' *> many parseField <* char '\n'
guard $ sum (fieldSize <$> fs) == n
m <- parseHeader
guard $ m == n
return fs
parseHeader = do
char '+'
n <- length <$> many1 (string "
char '\n'
return n
parseField = do
s1 <- many (char ' ')
f <- munch1 $ not . (`elem` " |")
s2 <- many (char ' ')
char '|'
let n = (length (s1 ++ f ++ s2) + 1) `div` 3
return $ Field f n Nothing
readData :: Data a -> [b] -> Data [b]
readData d = Data . go (fields d)
where
go fs [] = (\f -> f {fieldValue = Nothing}) <$> fs
go (f:fs) s =
let (x, xs) = splitAt (fieldSize f) s
in f {fieldValue = Just x}: go fs xs
diagram = unlines
["+
,"| ID |"
,"+
,"|QR| Opcode |AA|TC|RD|RA| Z | RCODE |"
,"+
,"| QDCOUNT |"
,"+
,"| ANCOUNT |"
,"+
,"| NSCOUNT |"
,"+
,"| ARCOUNT |"
,"+
dataSample = concat
["011110000100011101111011101111110101010010010110",
"111000010010111000011011111100010110100110100100"] | 2ASCII art diagram converter
| 8haskell
| 6d3k |
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public class AsciiArtDiagramConverter {
private static final String TEST = "+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"| ID |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"|QR| Opcode |AA|TC|RD|RA| Z | RCODE |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"| QDCOUNT |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"| ANCOUNT |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"| NSCOUNT |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" +
"| ARCOUNT |\r\n" +
"+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+";
public static void main(String[] args) {
validate(TEST);
display(TEST);
Map<String,List<Integer>> asciiMap = decode(TEST);
displayMap(asciiMap);
displayCode(asciiMap, "78477bbf5496e12e1bf169a4");
}
private static void displayCode(Map<String,List<Integer>> asciiMap, String hex) {
System.out.printf("%nTest string in hex:%n%s%n%n", hex);
String bin = new BigInteger(hex,16).toString(2); | 2ASCII art diagram converter
| 9java
| nsih |
null | 2ASCII art diagram converter
| 10javascript
| 3nz0 |
local function validate(diagram)
local lines = {}
for s in diagram:gmatch("[^\r\n]+") do
s = s:match("^%s*(.-)%s*$")
if s~="" then lines[#lines+1]=s end
end | 2ASCII art diagram converter
| 1lua
| 0esd |
use strict;
use warnings;
$_ = <<END;
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ID |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|QR| Opcode |AA|TC|RD|RA| Z | RCODE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QDCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ANCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| NSCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ARCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
END
my $template;
my @names;
while( /\| *(\w+) */g )
{
printf "%10s is%2d bits\n", $1, my $length = length($&) / 3;
push @names, $1;
$template .= "A$length ";
}
my $input = '78477bbf5496e12e1bf169a4';
my %datastructure;
@datastructure{ @names } = unpack $template, unpack 'B*', pack 'H*', $input;
print "\ntemplate = $template\n\n";
use Data::Dump 'dd'; dd 'datastructure', \%datastructure; | 2ASCII art diagram converter
| 2perl
| u9vr |
let array1 = [1,2,3]
let array2 = [4,5,6]
let array3 = array1 + array2 | 1Array concatenation
| 17swift
| oq8k |
def validate(diagram):
rawlines = diagram.splitlines()
lines = []
for line in rawlines:
if line != '':
lines.append(line)
if len(lines) == 0:
print('diagram has no non-empty lines!')
return None
width = len(lines[0])
cols = (width - 1)
if cols not in [8, 16, 32, 64]:
print('number of columns should be 8, 16, 32 or 64')
return None
if len(lines)%2 == 0:
print('number of non-empty lines should be odd')
return None
if lines[0] != (('+--' * cols)+'+'):
print('incorrect header line')
return None
for i in range(len(lines)):
line=lines[i]
if i == 0:
continue
elif i%2 == 0:
if line != lines[0]:
print('incorrect separator line')
return None
elif len(line) != width:
print('inconsistent line widths')
return None
elif line[0] != '|' or line[width-1] != '|':
print()
return None
return lines
def decode(lines):
print()
print()
startbit = 0
results = []
for line in lines:
infield=False
for c in line:
if not infield and c == '|':
infield = True
spaces = 0
name = ''
elif infield:
if c == ' ':
spaces += 1
elif c != '|':
name += c
else:
bits = (spaces + len(name) + 1)
endbit = startbit + bits - 1
print('{0:7} {1:2d} {2:2d} {3:2d}'.format(name, bits, startbit, endbit))
reslist = [name, bits, startbit, endbit]
results.append(reslist)
spaces = 0
name = ''
startbit += bits
return results
def unpack(results, hex):
print()
print(hex)
print()
bin = f'{int(hex, 16):0>{4*len(hex)}b}'
print(bin)
print()
print()
print()
for r in results:
name = r[0]
size = r[1]
startbit = r[2]
endbit = r[3]
bitpattern = bin[startbit:endbit+1]
print('{0:7} {1:2d} {2:16}'.format(name, size, bitpattern))
diagram =
lines = validate(diagram)
if lines == None:
print()
else:
print()
print()
print()
for line in lines:
print(line)
print()
print()
print()
results = decode(lines)
hex =
unpack(results, hex) | 2ASCII art diagram converter
| 3python
| 5cux |
header = <<HEADER
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ID |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|QR| Opcode |AA|TC|RD|RA| Z | RCODE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QDCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ANCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| NSCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ARCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
HEADER
Item = Struct.new(:name, :bits, :range)
RE = /\| *\w+ */
i = 0
table = header.scan(RE).map{|m| Item.new( m.delete(), b = m.size/3, i...(i += b)) }
teststr =
padding = table.sum(&:bits)
binstr = teststr.hex.to_s(2).rjust(padding, )
table.each{|el| p el.values}; puts
table.each{|el| puts % [el.name, el.bits, binstr[el.range] ]} | 2ASCII art diagram converter
| 14ruby
| g24q |
use std::{borrow::Cow, io::Write};
pub type Bit = bool;
#[derive(Clone, Debug)]
pub struct Field {
name: String,
from: usize,
to: usize,
}
impl Field {
pub fn new(name: String, from: usize, to: usize) -> Self {
assert!(from < to);
Self { name, from, to }
}
pub fn name(&self) -> &str {
&self.name
}
pub fn from(&self) -> usize {
self.from
}
pub fn to(&self) -> usize {
self.to
}
pub fn size(&self) -> usize {
self.to - self.from
}
pub fn extract_bits<'a>(
&self,
bytes: &'a [u8],
) -> Option<impl Iterator<Item = (usize, Bit)> + 'a> {
if self.to <= bytes.len() * 8 {
Some((self.from..self.to).map(move |index| {
let byte = bytes[index / 8];
let bit_index = 7 - (index% 8);
let bit_value = (byte >> bit_index) & 1 == 1;
(index, bit_value)
}))
} else {
None
}
}
fn extend(&mut self, new_to: usize) {
assert!(self.to <= new_to);
self.to = new_to;
}
}
trait Consume: Iterator {
fn consume(&mut self, value: Self::Item) -> Result<Self::Item, Option<Self::Item>>
where
Self::Item: PartialEq,
{
match self.next() {
Some(v) if v == value => Ok(v),
Some(v) => Err(Some(v)),
None => Err(None),
}
}
}
impl<T: Iterator> Consume for T {}
#[derive(Clone, Copy, Debug)]
enum ParserState {
Uninitialized,
ExpectBorder,
ExpectField,
AllowEmpty,
}
#[derive(Clone, Copy, Debug)]
pub enum ParserError {
ParsingFailed,
UnexpectedEnd,
InvalidBorder,
WrongLineWidth,
FieldExpected,
BadField,
}
#[derive(Debug)]
pub(crate) struct Parser {
state: Option<ParserState>,
width: usize,
from: usize,
fields: Vec<Field>,
}
impl Parser {
#[allow(clippy::new_without_default)]
pub fn new() -> Self {
Self {
state: Some(ParserState::Uninitialized),
width: 0,
from: 0,
fields: Vec::new(),
}
}
pub fn accept(&mut self, line: &str) -> Result<(), ParserError> {
if let Some(state) = self.state.take() {
let line = line.trim();
if!line.is_empty() {
self.state = Some(match state {
ParserState::Uninitialized => self.parse_border(line)?,
ParserState::ExpectBorder => self.accept_border(line)?,
ParserState::ExpectField => self.parse_fields(line)?,
ParserState::AllowEmpty => self.extend_field(line)?,
});
}
Ok(())
} else {
Err(ParserError::ParsingFailed)
}
}
pub fn finish(self) -> Result<Vec<Field>, ParserError> {
match self.state {
Some(ParserState::ExpectField) => Ok(self.fields),
_ => Err(ParserError::UnexpectedEnd),
}
}
fn parse_border(&mut self, line: &str) -> Result<ParserState, ParserError> {
self.width = Parser::border_columns(line).map_err(|_| ParserError::InvalidBorder)?;
Ok(ParserState::ExpectField)
}
fn accept_border(&mut self, line: &str) -> Result<ParserState, ParserError> {
match Parser::border_columns(line) {
Ok(width) if width == self.width => Ok(ParserState::ExpectField),
Ok(_) => Err(ParserError::WrongLineWidth),
Err(_) => Err(ParserError::InvalidBorder),
}
}
fn parse_fields(&mut self, line: &str) -> Result<ParserState, ParserError> {
let mut slots = line.split('|'); | 2ASCII art diagram converter
| 15rust
| rvg5 |
fruit=("apple" "orange" "lemon")
echo "${ | 3Array length
| 4bash
| 9tms |
int main()
{
const char *fruit[2] = { , };
int length = sizeof(fruit) / sizeof(fruit[0]);
printf(, length);
return 0;
} | 3Array length
| 5c
| l3cy |
(count ["apple" "orange"])
(alength (into-array ["apple" "orange"])) | 3Array length
| 6clojure
| 4c5o |
arrLength(arr) {
return arr.length;
}
main() {
var fruits = ['apple', 'orange'];
print(arrLength(fruits));
} | 3Array length
| 18dart
| 3izz |
package main
import "fmt"
func main() {
arr := [...]string{"apple", "orange", "pear"}
fmt.Printf("Length of%v is%v.\n", arr, len(arr))
} | 3Array length
| 0go
| xbwf |
def fruits = ['apple','orange']
println fruits.size() | 3Array length
| 7groovy
| prbo |
length ["apple", "orange"] | 3Array length
| 8haskell
| yd66 |
public class ArrayLength {
public static void main(String[] args) {
System.out.println(new String[]{"apple", "orange"}.length);
}
} | 3Array length
| 9java
| dsn9 |
console.log(['apple', 'orange'].length); | 3Array length
| 10javascript
| 6n38 |
fun main(args: Array<String>) {
println(arrayOf("apple", "orange").size)
} | 3Array length
| 11kotlin
| 0asf |
null | 3Array length
| 1lua
| 8e0e |
my @array = qw "apple orange banana", 4, 42;
scalar @array;
0 + @arrray;
'' . @array;
my $elems = @array;
scalar @{ [1,2,3] };
my $array_ref = \@array;
scalar @$array_ref;
sub takes_a_scalar ($) { my ($a) = @_; return $a }
takes_a_scalar @array; | 3Array length
| 2perl
| 59u2 |
print count(['apple', 'orange']); | 3Array length
| 12php
| ow85 |
int main(int argc, char *argv[])
{
int a, b;
if (argc < 3) exit(1);
b = atoi(argv[--argc]);
if (b == 0) exit(2);
a = atoi(argv[--argc]);
printf(, a+b);
printf(, a-b);
printf(, a*b);
printf(, a/b);
printf(, a%b);
return 0;
} | 4Arithmetic/Integer
| 5c
| z8tx |
(defn myfunc []
(println "Enter x and y")
(let [x (read), y (read)]
(doseq [op '(+ - * / Math/pow rem)]
(let [exp (list op x y)]
(printf "%s=%s\n" exp (eval exp)))))) | 4Arithmetic/Integer
| 6clojure
| 9fma |
>>> print(len(['apple', 'orange']))
2
>>> | 3Array length
| 3python
| 4c5k |
a <- c('apple','orange')
length(a) | 3Array length
| 13r
| 26lg |
puts ['apple', 'orange'].length | 3Array length
| 14ruby
| r2gs |
fn main() {
let array = ["foo", "bar", "baz", "biff"];
println!("the array has {} elements", array.len());
} | 3Array length
| 15rust
| 7vrc |
println(Array("apple", "orange").length) | 3Array length
| 16scala
| k4hk |
SELECT COUNT() FROM (VALUES ('apple'),('orange')); | 3Array length
| 19sql
| 17pg |
let fruits = ["apple", "orange"] | 3Array length
| 17swift
| gl49 |
package main
import "fmt"
func main() {
var a, b int
fmt.Print("enter two integers: ")
fmt.Scanln(&a, &b)
fmt.Printf("%d +%d =%d\n", a, b, a+b)
fmt.Printf("%d -%d =%d\n", a, b, a-b)
fmt.Printf("%d *%d =%d\n", a, b, a*b)
fmt.Printf("%d /%d =%d\n", a, b, a/b) | 4Arithmetic/Integer
| 0go
| k5hz |
def arithmetic = { a, b ->
println """
a + b = ${a} + ${b} = ${a + b}
a - b = ${a} - ${b} = ${a - b}
a * b = ${a} * ${b} = ${a * b}
a / b = ${a} / ${b} = ${a / b} !!! Converts to floating point!
(int)(a / b) = (int)(${a} / ${b}) = ${(int)(a / b)} !!! Truncates downward after the fact
a.intdiv(b) = ${a}.intdiv(${b}) = ${a.intdiv(b)} !!! Behaves as if truncating downward, actual implementation varies
a% b = ${a}% ${b} = ${a% b}
Exponentiation is also a base arithmetic operation in Groovy, so:
a ** b = ${a} ** ${b} = ${a ** b}
"""
} | 4Arithmetic/Integer
| 7groovy
| gc46 |
main = do
a <- readLn :: IO Integer
b <- readLn :: IO Integer
putStrLn $ "a + b = " ++ show (a + b)
putStrLn $ "a - b = " ++ show (a - b)
putStrLn $ "a * b = " ++ show (a * b)
putStrLn $ "a to the power of b = " ++ show (a ** b)
putStrLn $ "a to the power of b = " ++ show (a ^ b)
putStrLn $ "a to the power of b = " ++ show (a ^^ b)
putStrLn $ "a `div` b = " ++ show (a `div` b)
putStrLn $ "a `mod` b = " ++ show (a `mod` b)
putStrLn $ "a `divMod` b = " ++ show (a `divMod` b)
putStrLn $ "a `quot` b = " ++ show (a `quot` b)
putStrLn $ "a `rem` b = " ++ show (a `rem` b)
putStrLn $ "a `quotRem` b = " ++ show (a `quotRem` b) | 4Arithmetic/Integer
| 8haskell
| nxie |
import java.util.Scanner;
public class IntegerArithmetic {
public static void main(String[] args) { | 4Arithmetic/Integer
| 9java
| qbxa |
var a = parseInt(get_input("Enter an integer"), 10);
var b = parseInt(get_input("Enter an integer"), 10);
WScript.Echo("a = " + a);
WScript.Echo("b = " + b);
WScript.Echo("sum: a + b = " + (a + b));
WScript.Echo("difference: a - b = " + (a - b));
WScript.Echo("product: a * b = " + (a * b));
WScript.Echo("quotient: a / b = " + (a / b | 0)); | 4Arithmetic/Integer
| 10javascript
| iwol |
void divisor_count_and_sum(unsigned int n, unsigned int* pcount,
unsigned int* psum) {
unsigned int divisor_count = 1;
unsigned int divisor_sum = 1;
unsigned int power = 2;
for (; (n & 1) == 0; power <<= 1, n >>= 1) {
++divisor_count;
divisor_sum += power;
}
for (unsigned int p = 3; p * p <= n; p += 2) {
unsigned int count = 1, sum = 1;
for (power = p; n % p == 0; power *= p, n /= p) {
++count;
sum += power;
}
divisor_count *= count;
divisor_sum *= sum;
}
if (n > 1) {
divisor_count *= 2;
divisor_sum *= n + 1;
}
*pcount = divisor_count;
*psum = divisor_sum;
}
int main() {
unsigned int arithmetic_count = 0;
unsigned int composite_count = 0;
for (unsigned int n = 1; arithmetic_count <= 1000000; ++n) {
unsigned int divisor_count;
unsigned int divisor_sum;
divisor_count_and_sum(n, &divisor_count, &divisor_sum);
if (divisor_sum % divisor_count != 0)
continue;
++arithmetic_count;
if (divisor_count > 2)
++composite_count;
if (arithmetic_count <= 100) {
printf(, n);
if (arithmetic_count % 10 == 0)
printf();
}
if (arithmetic_count == 1000 || arithmetic_count == 10000 ||
arithmetic_count == 100000 || arithmetic_count == 1000000) {
printf(, arithmetic_count, n);
printf(, n,
composite_count);
}
}
return 0;
} | 5Arithmetic numbers
| 5c
| 6o32 |
null | 4Arithmetic/Integer
| 11kotlin
| 1rpd |
package main
import (
"fmt"
"math"
"rcu"
"sort"
)
func main() {
arithmetic := []int{1}
primes := []int{}
limit := int(1e6)
for n := 3; len(arithmetic) < limit; n++ {
divs := rcu.Divisors(n)
if len(divs) == 2 {
primes = append(primes, n)
arithmetic = append(arithmetic, n)
} else {
mean := float64(rcu.SumInts(divs)) / float64(len(divs))
if mean == math.Trunc(mean) {
arithmetic = append(arithmetic, n)
}
}
}
fmt.Println("The first 100 arithmetic numbers are:")
rcu.PrintTable(arithmetic[0:100], 10, 3, false)
for _, x := range []int{1e3, 1e4, 1e5, 1e6} {
last := arithmetic[x-1]
lastc := rcu.Commatize(last)
fmt.Printf("\nThe%sth arithmetic number is:%s\n", rcu.Commatize(x), lastc)
pcount := sort.SearchInts(primes, last) + 1
if !rcu.IsPrime(last) {
pcount--
}
comp := x - pcount - 1 | 5Arithmetic numbers
| 0go
| p4bg |
use strict;
use warnings;
use feature 'say';
use List::Util <max sum>;
use ntheory <is_prime divisors>;
use Lingua::EN::Numbers qw(num2en num2en_ordinal);
sub comma { reverse ((reverse shift) =~ s/(.{3})/$1,/gr) =~ s/^,//r }
sub table { my $t = 10 * (my $c = 1 + length max @_); ( sprintf( ('%'.$c.'d')x@_, @_) ) =~ s/.{1,$t}\K/\n/gr }
my @A = 0;
for my $n (1..2E6) {
my @div = divisors $n;
push @A, $n if 0 == sum(@div) % @div;
}
say "The first @{[num2en 100]} arithmetic numbers:";
say table @A[1..100];
for my $x (1E3, 1E4, 1E5, 1E6) {
say "\nThe @{[num2en_ordinal $x]}: " . comma($A[$x]) .
"\nComposite arithmetic numbers @{[comma $A[$x]]}: " . comma -1 + grep { not is_prime($_) } @A[1..$x];
} | 5Arithmetic numbers
| 2perl
| cf9a |
def factors(n: int):
f = set([1, n])
i = 2
while True:
j = n
if j < i:
break
if i * j == n:
f.add(i)
f.add(j)
i += 1
return f
arithmetic_count = 0
composite_count = 0
n = 1
while arithmetic_count <= 1000000:
f = factors(n)
if (sum(f)/len(f)).is_integer():
arithmetic_count += 1
if len(f) > 2:
composite_count += 1
if arithmetic_count <= 100:
print(f'{n:3d} ', end='')
if arithmetic_count% 10 == 0:
print()
if arithmetic_count in (1000, 10000, 100000, 1000000):
print(f'\n{arithmetic_count}th arithmetic number is {n}')
print(f'Number of composite arithmetic numbers <= {n}: {composite_count}')
n += 1 | 5Arithmetic numbers
| 3python
| ltcv |
fn divisor_count_and_sum(mut n: u32) -> (u32, u32) {
let mut divisor_count = 1;
let mut divisor_sum = 1;
let mut power = 2;
while (n & 1) == 0 {
divisor_count += 1;
divisor_sum += power;
power <<= 1;
n >>= 1;
}
let mut p = 3;
while p * p <= n {
let mut count = 1;
let mut sum = 1;
power = p;
while n% p == 0 {
count += 1;
sum += power;
power *= p;
n /= p;
}
divisor_count *= count;
divisor_sum *= sum;
p += 2;
}
if n > 1 {
divisor_count *= 2;
divisor_sum *= n + 1;
}
(divisor_count, divisor_sum)
}
fn main() {
let mut arithmetic_count = 0;
let mut composite_count = 0;
let mut n = 1;
while arithmetic_count <= 1000000 {
let (divisor_count, divisor_sum) = divisor_count_and_sum(n);
if divisor_sum% divisor_count!= 0 {
n += 1;
continue;
}
arithmetic_count += 1;
if divisor_count > 2 {
composite_count += 1;
}
if arithmetic_count <= 100 {
print!("{:3} ", n);
if arithmetic_count% 10 == 0 {
println!();
}
}
if arithmetic_count == 1000
|| arithmetic_count == 10000
|| arithmetic_count == 100000
|| arithmetic_count == 1000000
{
println!("\n{}th arithmetic number is {}", arithmetic_count, n);
println!(
"Number of composite arithmetic numbers <= {}: {}",
n, composite_count
);
}
n += 1;
}
} | 5Arithmetic numbers
| 15rust
| u6vj |
local x = io.read()
local y = io.read()
print ("Sum: " , (x + y))
print ("Difference: ", (x - y))
print ("Product: " , (x * y))
print ("Quotient: " , (x / y)) | 4Arithmetic/Integer
| 1lua
| a71v |
my $a = <>;
my $b = <>;
print
"sum: ", $a + $b, "\n",
"difference: ", $a - $b, "\n",
"product: ", $a * $b, "\n",
"integer quotient: ", int($a / $b), "\n",
"remainder: ", $a % $b, "\n",
"exponent: ", $a ** $b, "\n"
; | 4Arithmetic/Integer
| 2perl
| mdyz |
<?php
$a = fgets(STDIN);
$b = fgets(STDIN);
echo
, $a + $b, ,
, $a - $b, ,
, $a * $b, ,
, (int)($a / $b), ,
, floor($a / $b), ,
, $a % $b, ,
, $a ** $b, ;
?> | 4Arithmetic/Integer
| 12php
| eja9 |
x = int(raw_input())
y = int(raw_input())
print % (x + y)
print % (x - y)
print % (x * y)
print % (x / y)
print % (x% y)
print % divmod(x, y)
print % x**y
raw_input( ) | 4Arithmetic/Integer
| 3python
| 9fmf |
cat("insert number ")
a <- scan(nmax=1, quiet=TRUE)
cat("insert number ")
b <- scan(nmax=1, quiet=TRUE)
print(paste('a+b=', a+b))
print(paste('a-b=', a-b))
print(paste('a*b=', a*b))
print(paste('a%/%b=', a%/%b))
print(paste('a%%b=', a%%b))
print(paste('a^b=', a^b)) | 4Arithmetic/Integer
| 13r
| 3ozt |
void agm (const mpf_t in1, const mpf_t in2, mpf_t out1, mpf_t out2) {
mpf_add (out1, in1, in2);
mpf_div_ui (out1, out1, 2);
mpf_mul (out2, in1, in2);
mpf_sqrt (out2, out2);
}
int main (void) {
mpf_set_default_prec (300000);
mpf_t x0, y0, resA, resB, Z, var;
mpf_init_set_ui (x0, 1);
mpf_init_set_d (y0, 0.5);
mpf_sqrt (y0, y0);
mpf_init (resA);
mpf_init (resB);
mpf_init_set_d (Z, 0.25);
mpf_init (var);
int n = 1;
int i;
for(i=0; i<8; i++){
agm(x0, y0, resA, resB);
mpf_sub(var, resA, x0);
mpf_mul(var, var, var);
mpf_mul_ui(var, var, n);
mpf_sub(Z, Z, var);
n += n;
agm(resA, resB, x0, y0);
mpf_sub(var, x0, resA);
mpf_mul(var, var, var);
mpf_mul_ui(var, var, n);
mpf_sub(Z, Z, var);
n += n;
}
mpf_mul(x0, x0, x0);
mpf_div(x0, x0, Z);
gmp_printf (, x0);
return 0;
} | 6Arithmetic-geometric mean/Calculate Pi
| 5c
| lfcy |
puts 'Enter x and y'
x = gets.to_i
y = gets.to_i
puts ,
,
,
,
,
, | 4Arithmetic/Integer
| 14ruby
| lzcl |
(ns async-example.core
(:use [criterium.core])
(:gen-class))
(import '(org.apfloat Apfloat ApfloatMath))
(def precision 8192)
(def one (Apfloat. 1M precision))
(def two (Apfloat. 2M precision))
(def four (Apfloat. 4M precision))
(def half (Apfloat. 0.5M precision))
(def quarter (Apfloat. 0.25M precision))
(def isqrt2 (.divide one (ApfloatMath/pow two half)))
(defn compute-pi [iterations]
(loop [i 0, n one, [a g] [one isqrt2], z quarter]
(if (> i iterations)
(.divide (.multiply a a) z)
(let [x [(.multiply (.add a g) half) (ApfloatMath/pow (.multiply a g) half)]
v (.subtract (first x) a)]
(recur (inc i) (.add n n) x (.subtract z (.multiply (.multiply v v) n)))))))
(doseq [q (partition-all 200 (str (compute-pi 18)))]
(println (apply str q))) | 6Arithmetic-geometric mean/Calculate Pi
| 6clojure
| 4y5o |
use std::env;
fn main() {
let args: Vec<_> = env::args().collect();
let a = args[1].parse::<i32>().unwrap();
let b = args[2].parse::<i32>().unwrap();
println!("sum: {}", a + b);
println!("difference: {}", a - b);
println!("product: {}", a * b);
println!("integer quotient: {}", a / b); | 4Arithmetic/Integer
| 15rust
| 23lt |
val a = Console.readInt
val b = Console.readInt
val sum = a + b | 4Arithmetic/Integer
| 16scala
| 5mut |
package main
import (
"fmt"
"math/big"
)
func main() {
one := big.NewFloat(1)
two := big.NewFloat(2)
four := big.NewFloat(4)
prec := uint(768) | 6Arithmetic-geometric mean/Calculate Pi
| 0go
| xjwf |
import java.math.MathContext
class CalculatePi {
private static final MathContext con1024 = new MathContext(1024)
private static final BigDecimal bigTwo = new BigDecimal(2)
private static final BigDecimal bigFour = new BigDecimal(4)
private static BigDecimal bigSqrt(BigDecimal bd, MathContext con) {
BigDecimal x0 = BigDecimal.ZERO
BigDecimal x1 = BigDecimal.valueOf(Math.sqrt(bd.doubleValue()))
while (!Objects.equals(x0, x1)) {
x0 = x1
x1 = (bd.divide(x0, con) + x0).divide(bigTwo, con)
}
return x1
}
static void main(String[] args) {
BigDecimal a = BigDecimal.ONE
BigDecimal g = a.divide(bigSqrt(bigTwo, con1024), con1024)
BigDecimal t
BigDecimal sum = BigDecimal.ZERO
BigDecimal pow = bigTwo
while (!Objects.equals(a, g)) {
t = (a + g).divide(bigTwo, con1024)
g = bigSqrt(a * g, con1024)
a = t
pow = pow * bigTwo
sum = sum + (a * a - g * g) * pow
}
BigDecimal pi = (bigFour * (a * a)).divide(BigDecimal.ONE - sum, con1024)
System.out.println(pi)
}
} | 6Arithmetic-geometric mean/Calculate Pi
| 7groovy
| p5bo |
import Prelude hiding (pi)
import Data.Number.MPFR hiding (sqrt, pi, div)
import Data.Number.MPFR.Instances.Near ()
digitBits :: (Integral a, Num a) => a -> a
digitBits n = (n + 1) `div` 2 * 8
pi :: Integer -> MPFR
pi digits =
let eps = fromString ("1e-" ++ show digits)
(fromInteger $ digitBits digits) 0
two = fromInt Near (getPrec eps) 2
twoi = 2 :: Int
twoI = 2 :: Integer
pis a g s n =
let aB = (a + g) / two
gB = sqrt (a * g)
aB2 = aB ^^ twoi
sB = s + (two ^^ n) * (aB2 - gB ^^ twoi)
num = 4 * aB2
den = 1 - sB
in (num / den): pis aB gB sB (n + 1)
puntil f (a:b:xs) = if f a b then b else puntil f (b:xs)
in puntil (\a b -> abs (a - b) < eps)
$ pis one (one / sqrt two) zero twoI
main :: IO ()
main = do
putStrLn $ toString 1000 $ pi 1000 | 6Arithmetic-geometric mean/Calculate Pi
| 8haskell
| yo66 |
null | 7Arena storage pool
| 5c
| 79rg |
import java.math.BigDecimal;
import java.math.MathContext;
import java.util.Objects;
public class Calculate_Pi {
private static final MathContext con1024 = new MathContext(1024);
private static final BigDecimal bigTwo = new BigDecimal(2);
private static final BigDecimal bigFour = new BigDecimal(4);
private static BigDecimal bigSqrt(BigDecimal bd, MathContext con) {
BigDecimal x0 = BigDecimal.ZERO;
BigDecimal x1 = BigDecimal.valueOf(Math.sqrt(bd.doubleValue()));
while (!Objects.equals(x0, x1)) {
x0 = x1;
x1 = bd.divide(x0, con).add(x0).divide(bigTwo, con);
}
return x1;
}
public static void main(String[] args) {
BigDecimal a = BigDecimal.ONE;
BigDecimal g = a.divide(bigSqrt(bigTwo, con1024), con1024);
BigDecimal t;
BigDecimal sum = BigDecimal.ZERO;
BigDecimal pow = bigTwo;
while (!Objects.equals(a, g)) {
t = a.add(g).divide(bigTwo, con1024);
g = bigSqrt(a.multiply(g), con1024);
a = t;
pow = pow.multiply(bigTwo);
sum = sum.add(a.multiply(a).subtract(g.multiply(g)).multiply(pow));
}
BigDecimal pi = bigFour.multiply(a.multiply(a)).divide(BigDecimal.ONE.subtract(sum), con1024);
System.out.println(pi);
}
} | 6Arithmetic-geometric mean/Calculate Pi
| 9java
| dwn9 |
-- test.sql
-- Tested in SQL*plus
DROP TABLE test;
CREATE TABLE test (a INTEGER, b INTEGER);
INSERT INTO test VALUES ('&&A','&&B');
commit;
SELECT a-b difference FROM test;
SELECT a*b product FROM test;
SELECT trunc(a/b) integer_quotient FROM test;
SELECT MOD(a,b) remainder FROM test;
SELECT POWER(a,b) exponentiation FROM test; | 4Arithmetic/Integer
| 19sql
| rlgp |
import java.math.BigDecimal
import java.math.MathContext
val con1024 = MathContext(1024)
val bigTwo = BigDecimal(2)
val bigFour = bigTwo * bigTwo
fun bigSqrt(bd: BigDecimal, con: MathContext): BigDecimal {
var x0 = BigDecimal.ZERO
var x1 = BigDecimal.valueOf(Math.sqrt(bd.toDouble()))
while (x0 != x1) {
x0 = x1
x1 = bd.divide(x0, con).add(x0).divide(bigTwo, con)
}
return x1
}
fun main(args: Array<String>) {
var a = BigDecimal.ONE
var g = a.divide(bigSqrt(bigTwo, con1024), con1024)
var t : BigDecimal
var sum = BigDecimal.ZERO
var pow = bigTwo
while (a != g) {
t = (a + g).divide(bigTwo, con1024)
g = bigSqrt(a * g, con1024)
a = t
pow *= bigTwo
sum += (a * a - g * g) * pow
}
val pi = (bigFour * a * a).divide(BigDecimal.ONE - sum, con1024)
println(pi)
} | 6Arithmetic-geometric mean/Calculate Pi
| 11kotlin
| 0bsf |
typedef long long int fr_int_t;
typedef struct { fr_int_t num, den; } frac;
fr_int_t gcd(fr_int_t m, fr_int_t n)
{
fr_int_t t;
while (n) { t = n; n = m % n; m = t; }
return m;
}
frac frac_new(fr_int_t num, fr_int_t den)
{
frac a;
if (!den) {
printf(FMTFMT, num, den);
abort();
}
int g = gcd(num, den);
if (g) { num /= g; den /= g; }
else { num = 0; den = 1; }
if (den < 0) {
den = -den;
num = -num;
}
a.num = num; a.den = den;
return a;
}
BINOP(add, a.num * b.den + b.num * a.den, a.den * b.den);
BINOP(sub, a.num * b.den - b.num + a.den, a.den * b.den);
BINOP(mul, a.num * b.num, a.den * b.den);
BINOP(div, a.num * b.den, a.den * b.num);
int frac_cmp(frac a, frac b) {
int l = a.num * b.den, r = a.den * b.num;
return l < r ? -1 : l > r;
}
int frtoi(frac a) { return a.den / a.num; }
double frtod(frac a) { return (double)a.den / a.num; }
int main()
{
int n, k;
frac sum, kf;
for (n = 2; n < 1<<19; n++) {
sum = frac_new(1, n);
for (k = 2; k * k < n; k++) {
if (n % k) continue;
kf = frac_new(1, k);
sum = frac_add(sum, kf);
kf = frac_new(1, n / k);
sum = frac_add(sum, kf);
}
if (frac_cmp_int(sum, 1) == 0) printf(, n);
}
return 0;
} | 8Arithmetic/Rational
| 5c
| fed3 |
void cprint(double complex c)
{
printf(, creal(c), cimag(c));
}
void complex_operations() {
double complex a = 1.0 + 1.0I;
double complex b = 3.14159 + 1.2I;
double complex c;
printf(); cprint(a);
printf(); cprint(b);
c = a + b;
printf(); cprint(c);
c = a * b;
printf(); cprint(c);
c = 1.0 / a;
printf(); cprint(c);
c = -a;
printf(); cprint(c);
c = conj(a);
printf(); cprint(c); printf();
} | 9Arithmetic/Complex
| 5c
| 0jst |
package main
import (
"fmt"
"runtime"
"sync"
) | 7Arena storage pool
| 0go
| dene |
let a = 6
let b = 4
print("sum =\(a+b)")
print("difference = \(a-b)")
print("product = \(a*b)")
print("Integer quotient = \(a/b)")
print("Remainder = (a%b)")
print("No operator for Exponential") | 4Arithmetic/Integer
| 17swift
| ct9t |
null | 7Arena storage pool
| 11kotlin
| zqts |
pool = {} | 7Arena storage pool
| 1lua
| 3szo |
double agm( double a, double g ) {
double iota = 1.0E-16;
double a1, g1;
if( a*g < 0.0 ) {
printf( );
exit(1);
}
while( fabs(a-g)>iota ) {
a1 = (a + g) / 2.0;
g1 = sqrt(a * g);
a = a1;
g = g1;
}
return a;
}
int main( void ) {
double x, y;
printf( );
scanf( , &x, &y );
printf( , agm(x, y) );
return 0;
} | 10Arithmetic-geometric mean
| 5c
| dpnv |
use Math::BigFloat try => "GMP,Pari";
my $digits = shift || 100;
print agm_pi($digits), "\n";
sub agm_pi {
my $digits = shift;
my $acc = $digits + 8;
my $HALF = Math::BigFloat->new("0.5");
my ($an, $bn, $tn, $pn) = (Math::BigFloat->bone, $HALF->copy->bsqrt($acc),
$HALF->copy->bmul($HALF), Math::BigFloat->bone);
while ($pn < $acc) {
my $prev_an = $an->copy;
$an->badd($bn)->bmul($HALF, $acc);
$bn->bmul($prev_an)->bsqrt($acc);
$prev_an->bsub($an);
$tn->bsub($pn * $prev_an * $prev_an);
$pn->badd($pn);
}
$an->badd($bn);
$an->bmul($an,$acc)->bdiv(4*$tn, $digits);
return $an;
} | 6Arithmetic-geometric mean/Calculate Pi
| 2perl
| 56u2 |
user> 22/7
22/7
user> 34/2
17
user> (+ 37/5 42/9)
181/15 | 8Arithmetic/Rational
| 6clojure
| y06b |
(ns rosettacode.arithmetic.cmplx
(:require [clojure.algo.generic.arithmetic:as ga])
(:import [java.lang Number]))
(defrecord Complex [^Number r ^Number i]
Object
(toString [{:keys [r i]}]
(apply str
(cond
(zero? r) [(if (= i 1) "" i) "i"]
(zero? i) [r]
:else [r (if (neg? i) "-" "+") i "i"]))))
(defmethod ga/+ [Complex Complex]
[x y] (map->Complex (merge-with + x y)))
(defmethod ga/+ [Complex Number]
[{:keys [r i]} y] (->Complex (+ r y) i))
(defmethod ga/- Complex
[x] (->> x vals (map -) (apply ->Complex)))
(defmethod ga/* [Complex Complex]
[x y] (map->Complex (merge-with * x y)))
(defmethod ga/* [Complex Number]
[{:keys [r i]} y] (->Complex (* r y) (* i y)))
(ga/defmethod* ga / Complex
[x] (->> x vals (map /) (apply ->Complex)))
(defn conj [^Complex {:keys [r i]}]
(->Complex r (- i)))
(defn inv [^Complex {:keys [r i]}]
(let [m (+ (* r r) (* i i))]
(->Complex (/ r m) (- (/ i m))))) | 9Arithmetic/Complex
| 6clojure
| d1nb |
(ns agmcompute
(:gen-class))
(import '(org.apfloat Apfloat ApfloatMath))
(def precision 70)
(def one (Apfloat. 1M precision))
(def two (Apfloat. 2M precision))
(def half (Apfloat. 0.5M precision))
(def isqrt2 (.divide one (ApfloatMath/pow two half)))
(def TOLERANCE (Apfloat. 0.000000M precision))
(defn agm [a g]
" Simple AGM Loop calculation "
(let [THRESH 1e-65
MAX-LOOPS 1000000]
(loop [[an gn] [a g], cnt 0]
(if (or (< (ApfloatMath/abs (.subtract an gn)) THRESH)
(> cnt MAX-LOOPS))
an
(recur [(.multiply (.add an gn) half) (ApfloatMath/pow (.multiply an gn) half)]
(inc cnt))))))
(println (agm one isqrt2)) | 10Arithmetic-geometric mean
| 6clojure
| 6x3q |
from decimal import *
D = Decimal
getcontext().prec = 100
a = n = D(1)
g, z, half = 1 / D(2).sqrt(), D(0.25), D(0.5)
for i in range(18):
x = [(a + g) * half, (a * g).sqrt()]
var = x[0] - a
z -= var * var * n
n += n
a, g = x
print(a * a / z) | 6Arithmetic-geometric mean/Calculate Pi
| 3python
| 4y5k |
(malloc 1000 'raw) ; raw allocation, bypass the GC, requires free()-ing
(malloc 1000 'uncollectable) ; no GC, for use with other GCs that Racket can be configured with
(malloc 1000 'atomic) ; a block of memory without internal pointers
(malloc 1000 'nonatomic) ; a block of pointers
(malloc 1000 'eternal) ; uncollectable & atomic, similar to raw malloc but no freeing
(malloc 1000 'stubborn) ; can be declared immutable when mutation is done
(malloc 1000 'interior) ; allocate an immovable block with possible pointers into it
(malloc 1000 'atomic-interior); same for atomic chunks
(malloc-immobile-cell v) ; allocates a single cell that the GC will not move | 7Arena storage pool
| 3python
| pubm |
library(Rmpfr)
agm <- function(n, prec) {
s <- mpfr(0, prec)
a <- mpfr(1, prec)
g <- sqrt(mpfr("0.5", prec))
p <- as.bigz(4)
for (i in seq(n)) {
m <- (a + g) / 2L
g <- sqrt(a * g)
a <- m
s <- s + p * (a * a - g * g)
p <- p + p
}
4L * a * a / (1L - s)
}
1e6 * log(10) / log(2)
p <- 3322000
x <- agm(20, p)
roundMpfr(x - Const("pi", p), 64)
f <- file("pi.txt", "w")
writeLines(formatMpfr(x, 1e6), f)
close(f) | 6Arithmetic-geometric mean/Calculate Pi
| 13r
| 2tlg |
#![feature(rustc_private)]
extern crate arena;
use arena::TypedArena;
fn main() { | 7Arena storage pool
| 15rust
| egaj |
package require Tcl 8.6
oo::class create Pool {
superclass oo::class
variable capacity pool busy
unexport create
constructor args {
next {*}$args
set capacity 100
set pool [set busy {}]
}
method new {args} {
if {[llength $pool]} {
set pool [lassign $pool obj]
} else {
if {[llength $busy] >= $capacity} {
throw {POOL CAPACITY} "exceeded capacity: $capacity"
}
set obj [next]
set newobj [namespace current]::[namespace tail $obj]
rename $obj $newobj
set obj $newobj
}
try {
[info object namespace $obj]::my Init {*}$args
} on error {msg opt} {
lappend pool $obj
return -options $opt $msg
}
lappend busy $obj
return $obj
}
method ReturnToPool obj {
try {
if {"Finalize" in [info object methods $obj -all -private]} {
[info object namespace $obj]::my Finalize
}
} on error {msg opt} {
after 0 [list return -options $opt $msg]
return false
}
set idx [lsearch -exact $busy $obj]
set busy [lreplace $busy $idx $idx]
if {[llength $pool] + [llength $busy] + 1 <= $capacity} {
lappend pool $obj
return true
} else {
return false
}
}
method capacity {{value {}}} {
if {[llength [info level 0]] == 3} {
if {$value < $capacity} {
while {[llength $pool] > 0 && [llength $pool] + [llength $busy] > $value} {
set pool [lassign $pool obj]
rename $obj {}
}
}
set capacity [expr {$value >> 0}]
} else {
return $capacity
}
}
method clearPool {} {
foreach obj $busy {
$obj destroy
}
}
method destroy {} {
my clearPool
next
}
self method create {class {definition {}}} {
set cls [next $class $definition]
oo::define $cls method destroy {} {
if {![[info object namespace [self class]]::my ReturnToPool [self]]} {
next
}
}
return $cls
}
} | 7Arena storage pool
| 16scala
| qjxw |
require 'flt'
Flt::BinNum.Context.precision = 8192
a = n = 1
g = 1 / Flt::BinNum(2).sqrt
z = 0.25
(0..17).each{
x = [(a + g) * 0.5, (a * g).sqrt]
var = x[0] - a
z -= var * var * n
n += n
a = x[0]
g = x[1]
}
puts a * a / z | 6Arithmetic-geometric mean/Calculate Pi
| 14ruby
| r9gs |
null | 6Arithmetic-geometric mean/Calculate Pi
| 15rust
| 7crc |