Erase a range from the multimap : multimap erase « map multimap « C++ Tutorial






#include <map>
#include <iostream>
#include <string>

using namespace std;

typedef multimap <int, string> MULTIMAP_INT_STRING;

int main ()
{
    MULTIMAP_INT_STRING  mmapIntToString;

    mmapIntToString.insert (MULTIMAP_INT_STRING::value_type (3, "Three"));
    mmapIntToString.insert (MULTIMAP_INT_STRING::value_type(45, "Forty Five"));

    // Erase a range from the multimap...
    cout << "Erasing the range of pairs with 1000 as key." << endl;
    mmapIntToString.erase ( mmapIntToString.lower_bound (1000)
        , mmapIntToString.upper_bound (1000) );

    cout << endl;
    cout << "The multimap now contains " << mmapIntToString.size ();
    cout << " key-value pair(s)." << "They are: " << endl;

    MULTIMAP_INT_STRING::const_iterator iPairLocator;

    // Print the contents of the multimap to the screen
    for ( iPairLocator = mmapIntToString.begin ()
        ; iPairLocator != mmapIntToString.end ()
        ; ++ iPairLocator )
    {
        cout << "Key: " << iPairLocator->first;
        cout << ", Value: " << iPairLocator->second.c_str () << endl;
    }

    return 0;
}








23.15.multimap erase
23.15.1.Erase an element with key as -1 from the multimap
23.15.2.Erase an element given an iterator from the multimap
23.15.3.Erase a range from the multimap