HDU 1263:水果(map)

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1263

#include <stdio.h>
#include <string.h>
#include <iostream>
#include <algorithm>
#include <math.h>
#include <limits.h>
#include <map>
#include <stack>
#include <queue>
#include <vector>
#include <set>
#include <string>
#define ll long long
#define ms(a) memset(a,0,sizeof(a))
#define pi acos(-1.0)
#define INF 0x3f3f3f3f
const double E=exp(1);
const int maxn=1e6+10;
using namespace std;
int main(int argc, char const *argv[])
{
	ios::sync_with_stdio(false);
	int t,n;
	cin>>t;
	while(t--)
    {
        string place;
        string fruit;
        int num;
        map<string,map<string,int> >mmp;
        cin>>n;
        for(int i=0;i<n;i++)
        {
            cin>>fruit>>place>>num;
            mmp[place][fruit]+=num;
        }
        map<string,map<string,int> >::iterator it;
        for(it=mmp.begin();it!=mmp.end();it++)
        {
            cout<<it->first<<endl;
            map<string,int>::iterator its;
            for(its=it->second.begin();its!=it->second.end();its++)
            {
                cout<<"   |----"<<its->first<<"("<<its->second<<")"<<endl;
            }
        }
        //注意最后一组数结尾没空行
        if(t)
            cout<<endl;
    }
	return 0;
}

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转载自blog.csdn.net/wang_123_zy/article/details/81152336