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  1. #include <stdio.h>
  2.  
  3. int gcd(int m, int n){
  4.     if(n == 0){
  5.         return m;
  6.     }else{
  7.         return gcd(n, m % n);
  8.     }
  9. }
  10.  
  11. int main(void){
  12.     int a, b;
  13.  
  14.     scanf("%d,%d", &a, &b);
  15.  
  16.     if(a >= b){
  17.         printf("%d\n", gcd(a, b));
  18.     }else{
  19.         printf("%d\n", gcd(b, a));
  20.     }
  21.  
  22.     return 0;
  23. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/HR3QJ0
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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