hdu 1004(map)

http://acm.hdu.edu.cn/showproblem.php?pid=1004

#include <iostream>
#include<algorithm>
#include<map>
#include<string>
#include<cstdio>
using namespace std;
int main()
{
	freopen("1.txt","r",stdin);
	int n;
	while(scanf("%d",&n)&&n)
	{
		int max=0;
		map<string,int> mp;
		map<string,int>::iterator p;
		string s;
        for(int i=0;i<n;i++)
		{
			cin>>s;
			mp[s]++;
	    }
		for(p=mp.begin();p!=mp.end();p++)
		{
			if(p->second>max)
			{
				s=p->first;
				max=p->second;
			}	
		}
		cout<<s<<endl;
	}
}