#include <iostream>
#include <map>
using namespace std;int main()
{std::map<string, string> mapName;mapName["張三"] = "19";mapName["李四"] = "18";mapName["王二"] = "17";map<string, string>::iterator iter;// while 循環iter = mapName.begin();while (iter != mapName.end()){cout << iter->first << " " << iter->second << endl;iter++;}// for 循環for (iter = mapName.begin(); iter != mapName.end(); iter++){cout << iter->first << " " << iter->second << endl;}// for 循環for (auto &it : mapName){cout << it.first << " " << it.second << endl;}return 0;
}

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