pex12_7.cpp

来自「数据结构C++代码,经典代码,受益多多,希望大家多多支持」· C++ 代码 · 共 57 行

#include <iostream.h>
#pragma hdrstop

#include "wex12_16.h"

void main(void)
{
	// declare one queue for positive integers and one
	// for negative integers
	Queue<int> queuePos, queueNeg;
	int n;
	
	cout << "Input positive or negative integers. Enter "
		 << " 0 to terminate input." << endl;
		 
	// read integers until a 0 is encountered. insert each
	// positive integer into queuePos and each negative
	// integer into queueNeg
	cin >> n;
	while(n)
	{
		if (n > 0)
			queuePos.QInsert(n);
		else
			queueNeg.QInsert(n);
		cin >> n;
	}
		
	// declare an iterator for queuePos
	QueueIterator<int> qiter(queuePos);
	
	// use the iterator to traverse and print queuePos
	cout << "The postive integers are: " << endl;
	for(qiter.Reset();!qiter.EndOfList();qiter.Next())
		cout << qiter.Data() << "  ";
	cout << endl;
	
	// set the iterator to traverse queueNeg
	qiter.SetList(queueNeg);
	
	cout << "The negative integers are: " << endl;
	for(qiter.Reset();!qiter.EndOfList();qiter.Next())
		cout << qiter.Data() << "  ";
	cout << endl;
}

/*
<Run>

Input positive or negative integers. Enter  0 to terminate input.
1 3 -9 7 -17 -67 21 15 55 -18 -99 5 0
The postive integers are:
1  3  7  21  15  55  5
The negative integers are:
-9  -17  -67  -18  -99
*/