cpp10.cpp

C++参考书

// Coded by plusir -- Jan.11.2003.
// Standard C++ Bible -- (P605-22-10)

#include <iostream>
#include <algorithm>
#include <set>
using namespace std ;

int main()
{
	multiset<char> charMultiset1, charMultiset2 ;

	for( int i = 0; i < 5; i++ ) {
		charMultiset1.insert( 65 + i ) ;
		charMultiset2.insert( 70 + i ) ;
	}

	charMultiset1.insert( ++charMultiset1.begin(), 'B' ) ;
	charMultiset1.insert( charMultiset1.find( 'D' ), 'D' ) ;

	charMultiset2.insert( ++charMultiset2.begin(), 'G' ) ;
	charMultiset2.insert( charMultiset2.find( 'I' ), 'I' ) ;

	ostream_iterator<char> output( cout, "\n" ) ;
	cout << "Contents of first multiset:" << endl ;
	copy( charMultiset1.begin(), charMultiset1.end(), output ) ;
	cout << endl ;

	cout << "Contents of second multiset:" << endl ;
	copy( charMultiset2.begin(), charMultiset2.end(), output ) ;
	cout << endl ;

	if ( charMultiset1 == charMultiset2 )
		cout << "set1 == set2" << endl ;
	else if ( charMultiset1 < charMultiset2 )
		cout << "set1 < set2" << endl ;
	else
		cout << "set1 > set2" << endl ;

	return 0 ;
}