Matematicki algoritmi - Euklidov algoritam (NZD)

#include <iostream>
using namespace std;

int NZD(int a, int b)
{
    if (a==0) return b;
    return NZD(b%a,a);
}

int main()
{
    int a,b;
    cin>>a>>b;

    cout<<"NZD: "<<NZD(a,b)<<endl;

    return 0;
}