HDU1263 map二维运用

#include <iostream>
#include <cstdio>
#include <cstring>
#include <map>
#include <algorithm>
using namespace std;

int main()
{
    int T, m;
    cin >> T;
    while(T--)
    {
       map<string,map<string,int> >mp;  
       string place, name;
       int num;
       cin >> m;
       for(int i=0; i<m; i++)
       {
           cin >> name >> place >> num;
           mp[place][name]+=num;;
       }
       for(map<string,map<string,int> >::iterator iter1=mp.begin(); iter1!=mp.end(); iter1++) 
       {
           cout << iter1->first <<endl;
           for(map<string,int >::iterator iter2=iter1->second.begin(); iter2!=iter1->second.end(); iter2++)  
             cout << "   |----" << iter2->first << "(" << iter2->second << ")" <<endl;
       }
       if(T) cout << endl;
    }
    return 0;
}