银行模拟系统。链表和链队列（均带头指针）实现，程序中累计客户逗留时间，客户数，银行营业时间等，最终计算客户排队办理时间-Bank analog system. Linked list and chain queue (pointer to take the lead) to achieve, the cumulative customers stay program time, the number of customers, banking hours, the final calculati