STL中map的遍历

 1 #include <iostream>
 2 #include <map>
 3 #include <string>
 4 
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     map<string,int>M;
10     M["Kaito"]=1;
11     M["Aoko"]=2;
12     M["Shinichi"]=3;
13     M["Lan"]=4;
14     map<string,int>::iterator iter;//定义一个迭代指针iter
15     for(iter=M.begin(); iter!=M.end(); iter++)
16         cout<<iter->first <<"->"<<iter->second<<endl;
17     return 0;
18 }