Introduction - If you have any usage issues, please Google them yourself
A bank has four service windows, a waiting queue, each window can make deposits, withdrawals, loss, loan business, every business needs Business Hours, bank customers arrive after the first marking machine marking number on the ticket, including the need to handle the business, number and time of arrival then, waiting at the bank, when any service window is idle, waiting for processing customers ranked top in the customer's business. A simulation system for the above banking business is written. The average time of customers' stay in a bank and the number of customers handled by each window and the number of business handled are calculated through simulation.