对于某些同学提交的代码,例如:

#include <bits/stdc++.h>
using namespace std;
int main()
{
//	freopen("pow.in", "r", stdin);
//	freopen("pow.out", "w", stdout); 
	long long a,b;
	cin>>a>>b;
	long long c=pow(a,b);
	if(a>100&&b>5||a>10&&b>9)
	{
		cout<<"-1";
		return 0;
	}
	if(c>1000000000)
	cout<<"-1";
	else
	cout<<c;  
	return 0;
}

用下组 Hack 数据会 WA,以此验证 CCF CSP-J 数据太弱。

2 1000000000

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ID
1449
Time
1000ms
Memory
256MiB
Difficulty
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