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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int a, b, hcf;
  5.     printf("Enter two numbers:\n ");
  6.     scanf("%d %d", &a, &b);
  7.  
  8.     while (a != b) {
  9.         if (a > b)
  10.             a -= b;
  11.         else
  12.             b -= a;
  13.     }
  14.     hcf = a;
  15.     printf("HCF = %d\n", hcf);
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
12 18
stdout 
Enter two numbers:
 HCF = 6
https://ideone.com/AHohry
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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