Write a C++ Program For Find GCD

#include <iostream>
using namespace std;



int main() {
    int n1, n2;
    cout << "Enter two numbers: ";
    cin >> n1 >> n2;
    
    while(n1 != n2) {
        if(n1 > n2)
            n1 -= n2;
        else
            n2 -= n1;
    }

    cout << "GCD = " << n1;
    return 0;
}


Output

Enter two numbers: 78
52
GCD = 26