#include <iostream>

#include <map>

#include <string>

using namespace std;



int main()

{

	/* create map / associative array

	 * - keys are strings

	 * - values are floats

	 */

	typedef map<string ,float> StringFloatMap;



	StringFloatMap stocks;		//create empty container



	// insert some elements

	stocks["BASF"]    = 369.50;

	stocks["VW"]      = 413.50;

	stocks["Daimler"] = 819.00;

	stocks["BMW"]     = 834.00;

	stocks["Siemens"] = 842.20;



	// print all elements

	StringFloatMap::iterator pos;



	for(pos = stocks.begin(); pos != stocks.end(); ++pos){

	cout << "stock: " << pos->first << "\t"

	<< "price: " << pos->second << endl;

	}// end of for loop



	cout << endl;



	// boom (all prices doubled)

	for (pos = stocks.begin(); pos != stocks.end(); ++pos) {

	    pos->second *= 2;

	}



	// print all elements

	for (pos = stocks.begin(); pos != stocks.end(); ++pos) {

	    cout << "stock: " << pos->first << "\t"

	    << "price: " << pos->second << endl;

	}

	cout << endl;





	/* rename key from "VW" to "Volkswagen"

	 * - only provided by exchanging element

	 */

	stocks["Volkswagen"] = stocks["VW"];

	stocks.erase("VW");



	// print all elements

	for (pos = stocks.begin(); pos != stocks.end();  ++pos){

	    cout << "stock : " << pos->first << "\t"

	    << "price: " << pos->second << endl;

	}

}