#include<iostream>
using namespace std;
class WaitingCustomerQueue:public QUeue<CUstomerType>
{
protected:
	int lefttottime;
public:
	void UpdateWatingQueue();//每隔一個單位時間，隊伍中等待的顧客的waitingtime就加1
	int LeftTotWaitingTime();
};

void WaitingCustomerQueue::UpdateWatingQueue()
{
    QueueLen();
	int i,count;
	for(count=0,i=front+1;count<len;i++,count++)
	{
		if(i==MAXSIZE)i=i-MAXSIZE;
		room[i].IncrementWaitingTime();
	}
}


int WaitingCustomerQueue::LeftTotWaitingTime()
{
	int i,count;
	QueueLen();
	lefttottime=0;
	for(count=0,i=front+1;count<len;i++,count++)
	{
		if(i==MAXSIZE)i=i-MAXSIZE;
		lefttottime+=room[i].GetWaitingTime();
	}
	return lefttottime;
}