1 #include "map"
 2 #include "iostream"
 3 #include <vector>
 4 #include <map>
 5 #include "algorithm"
 6 #include <unordered_map>
 7 using namespace std;
 8 bool cmp(pair<string,int>p1,pair<string,int>p2)
 9 {
10 
11     return p1。second<p2.second;
12 }
13 int _tmain(int argc, _TCHAR* argv[])
14 {
15     vector<pair<string,int>> scores;
16         map<int,string>m;
17         pair<string,int>p1("liming",90);
18         pair<string,int>p2("zhangsan",95);
19         pair<string,int>p3("lisi",60);
20         scores.push_back(p1);
21         scores.push_back(p2);
22         scores.push_back(p3);
23          sort(scores.begin(),scores.end(),cmp);
24     
25 }