Online C++ Compiler

#include<iostream> using namespace std; int gcd(int a, int b) { if (a == 0 || b == 0) return 0; else if (a == b) return a; else if (a > b) return gcd(a-b, b); else return gcd(a, b-a); } int main() { int a = 105, b =30; cout<<"GCD of "<< a <<" and "<< b <<" is "<< gcd(a, b); return 0; }