static void solve ( int n , int k ) {
  int mini = 0 ;
  int x1 = 1 ;
  int [ ] a = new int [ k ] ;
  for ( int i = 1 ;
  i <= k ;
  i ++ ) {
    mini += x1 ;
    a [ i - 1 ] = x1 ;
    x1 += 1 ;
  }
  if ( n < mini ) {
    System . out . print ( "-1" ) ;
    return ;
  }
  int rem = n - mini ;
  int cnt = rem / k ;
  rem = rem % k ;
  for ( int i = 0 ;
  i < k ;
  i ++ ) a [ i ] += cnt ;
  for ( int i = k - 1 ;
  i > 0 && rem > 0 ;
  i -- ) {
    int xx = a [ i - 1 ] * 2 ;
    int left = xx - a [ i ] ;
    if ( rem >= left ) {
      a [ i ] = xx ;
      rem -= left ;
    }
    else {
      a [ i ] += rem ;
      rem = 0 ;
    }
  }
  int sum = a [ 0 ] ;
  for ( int i = 1 ;
  i < k ;
  i ++ ) {
    if ( a [ i ] > 2 * a [ i - 1 ] ) {
      System . out . print ( "-1" ) ;
      return ;
    }
    sum += a [ i ] ;
  }
  if ( sum != n ) {
    System . out . print ( "-1" ) ;
    return ;
  }
  for ( int i = 0 ;
  i < k ;
  i ++ ) System . out . print ( a [ i ] + " " ) ;
}

static void solve ( int n , int k ) { int mini = 0 ; int x1 = 1 ; int [ ] a = new int [ k ] ; for ( int i = 1 ; i <= k ; i ++ ) { mini += x1 ; a [ i - 1 ] = x1 ; x1 += 1 ; } if ( n < mini ) { System . out . print ( " - 1" ) ; return ; } int rem = n - mini ; int cnt = rem / k ; rem = rem % k ; for ( int i = 0 ; i < k ; i ++ ) a [ i ] += cnt ; for ( int i = k - 1 ; i > 0 && rem > 0 ; i -- ) { int xx = a [ i - 1 ] * 2 ; int left = xx - a [ i ] ; if ( rem >= left ) { a [ i ] = xx ; rem -= left ; } else { a [ i ] += rem ; rem = 0 ; } } int sum = a [ 0 ] ; for ( int i = 1 ; i < k ; i ++ ) { if ( a [ i ] > 2 * a [ i - 1 ] ) { System . out . print ( " - 1" ) ; return ; } sum += a [ i ] ; } if ( sum != n ) { System . out . print ( " - 1" ) ; return ; } for ( int i = 0 ; i < k ; i ++ ) System . out . print ( a [ i ] + " ▁ " ) ; }
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