1、一个程序模拟银行叫号系统。

2、假设某银行有 5 个服务窗口，一个统一的叫号系统。在服务时段内，每个时间单位有随机数目的顾客。

3、每个服务窗口的职员处理完一个顾客的业务后，顾客即刻离开，职员呼叫下一个顾客，窗口显示下一个顾客的服务号。被叫号的

顾客随即得到服务。假定每个顾客需要的到来，每个新来的顾客得到一个顺序号，排入等待服务队列，等待叫号。服务时间也是

随机的。

4、在服务时段内显示如下实时信息和统计信息：

1） 每个窗口正在办理业务的顾客的顺序号

2） 目前等待顾客人数

3） 每个顾客得到服务之前已等待的时间单位数并在所有顾客离开后，显示如下统计信息：

1） 顾客等待的平均时间单位数

2） 每个窗口服务的顾客数-1, a program to simulate the bank calling system. 2, assuming that a bank has five service windows, a unified calling system. In the service period, each time a random number of units the customer. 3, the staff processed each service window of a customer' s business, customers instantly leave, the staff calls the next customer, the window displays the next customer service number. Then get the customer service number is called. Assumed that the arrival of each customer needs, each customer to get a new sequence number, into the queue waiting for service, wait for the call. Service time is also random. 4, shows the following real-time information and statistics in the service period: 1) the sequence number of each window are for business customers 2) the number of customers currently waiting 3) give each customer has to wait before the service time and the number of units in all After the customer left, displays the following statistics: 1) the average time customers wait Units 2) cu