C++题解

AC题解↓↓↓

#include <iostream>
#include <vector>
using namespace std;

int main() {
	long long n, m, ans = 1;
	cin >> n >> m;
	
	for (int i = 1; i <= m; ++i) {
		ans *= n;
		if (ans > 1000000000) {
			cout << -1 << endl;
			ans = 0;
			return 0;
		}
	}
		cout << ans << endl;
	
	return 0;
}