Question

How to insert map elements with square brackets [] in C++

Answer 1

#include <iostream>
#include <map>
#include <string>

using std::cout;
using std::endl;
using std::map;
using std::string;

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

	mp["java"] = 3;
	mp["c++"] = 2;
	mp["php"] = 4;
	mp["c"] = 1;

	map<string, int>::iterator it;

	for (it = mp.begin(); it != mp.end(); it++) {
		cout << "key: " << it->first << " value: " << it->second << endl;
	}

	return 0;
}

/*
run:

key: c value: 1
key: c++ value: 2
key: java value: 3
key: php value: 4

*/

 

70+ SQL courses for beginners and professionals