67分蒟蒻求助

#include<iostream>
#include<algorithm>
#include<map>
#include<string>
using namespace std;
	int n;
	map<string,int> mmap;
	string str[15];
int main(){
	ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>str[i];
		mmap[str[i]]=0;
	}
	for(int i=1;i<=n;i++){
		string s; cin>>s;
		int a,b; cin>>a>>b;
		if(a==0&&b==0) break;
		if(b==0) continue;
		int share=a/b;
		mmap[s]-=share*b;
		for(int j=1;j<=b;j++){
			cin>>s;
			mmap[s]+=share;
		}
	}
	for(int i=1;i<=n;i++){
		cout<<str[i]<<' '<<mmap[str[i]]<<'\n';
	}
	return 0;
}