【第44题】[CSP-J 2022] 乘方、一道纯模拟简单题

#include <bits/stdc++.h>

using namespace std;

int main()
{
//    freopen("pow.in", "r", stdin);
//    freopen("pow.out", "w", stdout);
    long long a, b;
    scanf("%lld%lld", &a, &b);
    long long ans = 1000000000;
    long long c = a;
    for (long long i = 1; i < b; ++i) {
        a *= c;
        if (a > ans) {
            printf("%d", -1);
            fclose(stdin);
    		fclose(stdout);
            return 0;
        }
    }
    printf ("%lld", a);
//    fclose(stdin);
//    fclose(stdout);
    return 0;
}