#include <iostream>
using namespace std;
int main()
{
	int N,i,j,f[210],begin,end,T,max,tem;
	cin>>T;
	while(T--)
	{
		max = -1;
		memset(f,0,sizeof(f));
		cin>>N;
		for(i = 1; i<=N ;i++)
		{
			cin>>begin>>end;
			if(begin > end)//保证开始<结束
			{
				tem = begin ;
				begin =end;
				end = tem ;
			}
			for(j = (begin+1)/2; j<=(end+1)/2; j++)
			{
				f[j]++;
				if(f[j]>max)
					max = f[j];
			}
		}
		cout<<max*10<<endl;
	}

	return 0;
}

• Re:粗心害死人，忘了初始化max，哎 (538) 847421525 2013-11-17 21:06:50