HDU 1263

 
很迷的map,虽然很基础不过很迷
 1 #include<bits/stdc++.h>
 2 using namespace std;
 3 int main(){
 4     int N;cin>>N;
 5     while(N--){
 6         int n;cin>>n;
 7         map<string,map<string,int> >mapp;
 8         while(n--){
 9             string p,f;
10             int num;
11             cin>>f>>p>>num;
12             mapp[p][f]+=num;
13         }
14         map<string,map<string,int> >::iterator i;
15         map<string,int>::iterator j;
16         for(i = mapp.begin(); i!=mapp.end();++i){
17             cout<<i->first<<endl;
18             for(j = i->second.begin();j!=i->second.end();++j){
19                 cout<<"   |----"<<j->first<<"("<<j->second<<")"<<endl;
20             }
21         }
22         if(N) cout<<endl;
23     }
24     return 0;
25 }