gcd of two numbers 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";gcd of two number in c++ stl
// CPP program to illustrate
// gcd function of C++ STL
#include <iostream>
#include <algorithm>
// #include<numeric> for C++17
using namespace std;
int main()
{
cout << "gcd(6, 20) = " << __gcd(6, 20) << endl; // gcd(2.0,8) for C++17
}Copyright © 2021 Codeinu
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