greatest common divisor c++
// gcd function definition below:
int gcd(int a, int b) {
if (b == 0)
return a;
return gcd(b, a % b);
}
int a = 105, b = 30;
cout<<"GCD of "<< a <<" and "<< b <<" is "<< gcd(a, b);
// output = "GCD of 105 and 30 is 15";c++ Greatest common divisor
#include <bits/stdc++.h>
using namespace std;
//use c++ 17
int main(){
long long a,b;
cin>>a>>b;
cout<<__gcd(a,b);
return 0;
}Copyright © 2021 Codeinu
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