PAT A1039 Vector的使用

#include<iostream>
#include<map>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
	map<string, vector<int>> mmap;
	int humannum, courseNum;
	scanf("%d%d", &humannum, &courseNum);
	for (int i = 0,course,h; i < courseNum; i++) 
	{
		scanf("%d%d", &course,&h);
		for (int j = 0; j < h; j++) 
		{
			string name;			
			cin >> name;
			mmap[name].push_back(course);
		}
	}
	vector<int>* v = NULL;
	for (int i = 0; i < humannum; i++) 
	{
		string name;
		cin >> name;
		v = &mmap[name];
                //排序
		sort(v->begin(), v->end());
		printf("%s %d", name.c_str(), v->size());
                //指针遍历
		for (auto lt = v->cbegin(); lt != v->cend(); lt++) {
			printf(" %d", *lt);
		}
		cout << endl;
	}
	
}