cpp18.cpp

来自「C++参考书」· C++ 代码 · 共 35 行

// Coded by plusir -- Jan.11.2003.
// Standard C++ Bible -- (P622-22-18)

#include <iostream>
#include <map>
using namespace std ;

int main()
{
	multimap<int, char> myMap ;

	myMap.insert( multimap<int, char>::value_type( 1, 'A' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 4, 'C' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 2, 'B' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 7, 'E' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 5, 'D' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 3, 'B' ) ) ;
	myMap.insert( multimap<int, char>::value_type( 6, 'D' ) ) ;
    
	cout << "Contents of multimap:" << endl ;
	multimap<int, char>::iterator iter ;
	for ( iter = myMap.begin(); iter != myMap.end(); ++iter )
		cout << iter->first << "-->" << iter->second << endl ;

	myMap.erase( ++myMap.begin() ) ;

	cout << "Contents of new multimap:" << endl ;
	for ( iter = myMap.begin(); iter != myMap.end(); ++iter )
		cout << iter->first << "-->" << iter->second << endl ;


	return 0 ;
}