> #include <iostream>
> using namespace std;
> 
> int main()
> {
>     bool have[100];
> 	
> 	int arr[15];
> 	int i, j;
> 	int count ; 
> 	while (cin>>arr[0] && arr[0]!=-1)
> 	{
> 	
> 		memset(have, false, sizeof(have));
> 		have[arr[0]] = true;
> 		count = 0;
> 		i=1;
> 
> 		while (cin>>arr[i] && arr[i]!=0)
> 		{
> 			have[arr[i]] = true;
> 			i++;
> 		}
> 
> 		for (j=0; j<=i-1; j++)
> 		{
> 
> 			if (arr[j]%2==0 && have[arr[j]/2])
> 			{
> 				count++;
> 			}
> 		}
> 		cout<<count<<endl;
> 
> 	}
>     return 0;
> }

• Re:边看电影边写代码，竟然一次 0 MS AC，黄河之水天上来~ (45) jp4422 2009-02-16 15:32:15