The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include <set>
#include <string>
#include <iostream>
using namespace std;
int main()
{
multiset<string> cities {
"Braunschweig", "Hanover", "Frankfurt", "New York",
"Chicago", "Toronto", "Paris", "Frankfurt"
};
// print each element:
for (const auto& elem : cities) {
cout << elem << " ";
}
cout << endl;
// insert additional values:
cities.insert( {"London", "Munich", "Hanover", "Braunschweig"} );
// print each element:
for (const auto& elem : cities) {
cout << elem << " ";
}
cout << endl;
}