HDU 1263

 
很迷的map,虽然很基础不过很迷
 1 #include<bits/stdc++.h>
using namespace std;
int main(){
    int N;cin>>N;
    while(N--){
        int n;cin>>n;
        map<string,map<string,int> >mapp;
        while(n--){
            string p,f;
            int num;
            cin>>f>>p>>num;
            mapp[p][f]+=num;
        }
        map<string,map<string,int> >::iterator i;
        map<string,int>::iterator j;
        for(i = mapp.begin(); i!=mapp.end();++i){
            cout<<i->first<<endl;
            for(j = i->second.begin();j!=i->second.end();++j){
                cout<<"   |----"<<j->first<<"("<<j->second<<")"<<endl;
            }
        }
        if(N) cout<<endl;
    }
    return 0;
}