2788: 2017J-数学 快速幂

#include<iostream>  
using namespace std;  
int x, p, m, i, result;  
int main() {  
    cin >> x >> p >> m;  
    result = ①;  
    while (②) {  
        if (p % 2 == 1)  
            result = ③;  
        p /= 2;  
        x = ④;  
    }  
    cout << ⑤ << endl;  
    return 0;  
}