queue_array

// ConsoleApplication8.cpp : 定義主控台應用程式的進入點。
//

#include "stdafx.h"
#include <iostream>
using namespace std;
#define maxsize 5
class queue{
public:
	void init(){ start = -1; end = -1; }
	void enqueue();
	void dequeue();
private:
	int start, end;
	int arr[maxsize];
};

void queue::enqueue(){
	if (end >= maxsize-1){
		cout << "queue is fulled!" << endl;
	}
	else{
		cout << "please enter number to insert: ";
		cin >> arr[++end];
	}
}

void queue::dequeue(){
	if (start == end){
		cout << "queue is empty!" << endl;
		return;
	}
	else{
		cout << arr[++start] << endl;
	}
}


void main()
{
	queue Q;
	Q.init();
	int num;
	for (int i = 0; i < 6; i++){
		Q.enqueue();
	}
	for (int i = 0; i < 6; i++){
		Q.dequeue();
	}
}