A multimap can store duplicates : multimap « map multimap « C++ Tutorial

1. C++ Tutorial
2. map multimap
3. multimap

#include <map>
#include <iostream>

using namespace std;

typedef map <int, string> MAP_INT_STRING;
typedef multimap <int, string> MMAP_INT_STRING;

int main ()
{
    MMAP_INT_STRING mmapIntToString;

    mmapIntToString.insert (pair <int, string> (1000, "One Thousand"));
    mmapIntToString.insert (MMAP_INT_STRING::value_type (1000, "Thousand"));

    cout << endl << "The multimap contains " << mmapIntToString.size ();
    cout << " key-value pairs." << endl;
    cout << "The elements in the multimap are: " << endl;


    return 0;
}