#include <map>
#include <iostream>

using namespace std;

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

int main ()
{
    MAP_INT_STRING mapIntToString;
    mapIntToString.insert (make_pair (-1, "Minus One"));

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

    return 0;
}
