C++/Map Multimap/multimap interator

Loop through multimap and print out value key pair

<source lang="cpp">

1. include <iostream>

using std::cout; using std::endl;

1. include <map>

int main() {

  std::multimap< int, double, std::less< int > > pairs; // declare the multimap pairs
  // insert two value_type objects in pairs
  pairs.insert( std::multimap< int, double, std::less< int > >::value_type( 15, 2.7 ) );
  pairs.insert( std::multimap< int, double, std::less< int > >::value_type( 15, 99.3 ) );
  cout << "Multimap pairs contains:\nKey\tValue\n";
  // use const_iterator to walk through elements of pairs
  for ( std::multimap< int, double, std::less< int > >::const_iterator iter =pairs.begin();
     iter != pairs.end(); ++iter )
     cout << iter->first << "\t" << iter->second << "\n";

  cout << endl;
  return 0;

} /* Multimap pairs contains: Key Value 15 2.7 15 99.3

*/
       
 </source>