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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. void printCombs(const char* prefix, int n) {
  5.     int i, j, limit = ceil(sqrt(n));
  6.     for(i = 1; i < limit; i++) {
  7.         for(j = i; j < limit; j++) {
  8.             if(i*i + j*j == n) {
  9.                 printf("%s%d,%d\n", prefix, i, j);
  10.                 char buffer[1024];
  11.                 sprintf(buffer, "%s%d,", prefix, j);
  12.                 printCombs(buffer, i*i);
  13.                 sprintf(buffer, "%s%d,", prefix, i);
  14.                 printCombs(buffer, j*j);
  15.             }
  16.         }
  17.     }
  18. }
  19.  
  20. int main() {
  21.     printCombs("", 1000);
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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Standard input is empty
stdout
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10,30
30,6,8
10,18,24
18,26
18,10,24
18,24,6,8
https://ideone.com/bCbUMN
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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