#45803: 西嘉嘉


chen971023@gmail.com (ZiaynGZiyaNG)


 

#include <iostream>

不能用pow函數

using namespace std;

 

int main()

{

long long n;

cin >> n;

long long result = 1;

for (int i = 0; i <= n; i++)

{

cout << "2^" << i << " = " << result << endl;

result *= 2;

}

}