快速幂模板类

#include<iostream>
using namespace std;
int main()
{
    long long int q,a,b,p;
    cin >> q;
    while(q--){
        cin >> a >> b >> p;
        long long int index = b,base = 1;
        while(index){
            if(index % 2 != 0)
                base = base * a;
            base = base % p;
            a = a * a ;
            a = a % p;
            index /= 2;
        }
        cout << base << endl;
    }
}