#include <map>
#include <string>
#include <iostream>				// for cout
#include <iomanip>				// for setprecision
#include <sstream>				// for ostringstream

using namespace std;

int main() {
    map<string, double> gpa;			// Try multimap
    pair<string, double> p("Jack", 3.998);
    gpa.insert(p);
    p.first = "Wim";     p.second = 4.20; gpa.insert(p);  // Wim Bohm
    p.first = "Ross";    p.second = 3.92; gpa.insert(p);  // Ross Beveridge
    gpa.insert(make_pair("Darrell", 2.0));		  // Some poor dope
    gpa.insert({"Ross", 3.87});				  // Ross McConnell

    for (auto it=gpa.begin(); it!=gpa.end(); ++it)
	cout << it->first << " has a GPA of " << it->second << '\n';

    // Now display the map with a for-each loop
}