A simple example of map usage (STL C++). Traverse, add, create maps in c++.

mapImp.cpp

/*
About: A simple tutorial of maps (c++ STL)
Author: Mubbashir10
URL: http://mubbashir10.com
*/

//libraries
#include <iostream>
#include <string>
#include <map>

//defining namespace
using namespace std;

//main function
int main(){

	//declaring map
	map <int, string> data;

	//adding elements
	data[1] = "Mubbashir";
	data[2] = "Samra";
	data[3] = "Faiza";
	data[4] = "Asfand";
	data[5] = "Shabana";

	//printing map
	cout<<"Elements of data (via index) "<<endl;
	cout <<data[1]<<endl;
	cout <<data[2]<<endl;
	cout <<data[3]<<endl;
	cout <<data[4]<<endl;
	cout <<data[5]<<endl;

	//traversing map
	cout<<"Elements of data (via iterator) "<<endl;
	map<int,string>::iterator point;
	point = data.begin();
	while(point!=data.end()){

		cout<<point->first;
		cout<<"   maps to   ";  
		cout<<point->second<<endl;

		point++;
	}

	//exiting
	return 0;
	
}