Referance - Map

//http://stackoverflow.com/questions/21815462/enter-standard-input-for-values-of-map

#include <bits/stdc++.h>
using namespace std;

int main(){
    map<int, string> name_map;

    name_map[1] = "Tom";
    name_map[2] = "Max";
    name_map[3] = "Mark";
    name_map[4] = "John";
    name_map[5] = "Patrik";

    name_map.insert(pair<int, string>(6, "Jauly"));
    name_map.insert(pair<int, string>(7, "Jack"));

    cout << "is empty?: " << name_map.empty() << endl;
    cout << "map size: " << name_map.size() << endl;

    map<int, string>::iterator it = name_map.find(5);
    cout << "key found = " << it->second << endl;

    name_map.erase(it);

    for(map<int, string>::iterator it = name_map.begin(); it != name_map.end(); it++){
        cout << it->first << " => " << it->second << endl;
    }

    name_map.clear();

    return 0;
}