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  1. #include <stdio.h>
  2.  
  3. int GCD(int a,int b){ return (b==0)?a:GCD(b,a%b); }
  4.  
  5. int main(){
  6.     int a,b;
  7.     printf("Enter two numbers: ");
  8.     scanf("%d%d",&a,&b);
  9.     printf("GCD=%d",GCD(a,b));
  10. }
  11.  
Success #stdin #stdout 0.01s 5320KB
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stdout
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Enter two numbers: GCD=4
https://ideone.com/svl3S0
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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