考场时本地编译没问题。

评测记录

link

Code

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int MAX=1e9;
int base,index;
signed main()
{
	freopen("pow.in","r",stdin);
	freopen("pow.out","w",stdout);
	cin>>base>>index;
	int ans=1;
	while(index)
	{
		if(index&1)ans*=base;
		if(ans > MAX)return cout<< "-1",0;
		base*=base;
		index>>=1;
	}
	cout<< ans;
	return 0;
}