栈模拟停车场，以队列模拟车场外的便道，按照从终端读入的输入数据

序列进行模拟管理。对每一组输入数据进行操作后的输出信息为：若是

车辆到达，则输出汽车在停车场内或便道上的停车位置；若是车辆离去，

则输出汽车在停车场内停留的时间和应交纳的费用（在便道上停留的时

间不收费） 。设每单位时间收费 1 元。-Parking Stack simulation to simulate the queue sidewalk outside the car, according to the read data　the input terminal sequence simulation management. Output for each set of input data after the operation is as follows: If the vehicle arrives, the output of cars in the car park on the sidewalk or parking position　if the vehicle away, the car output in the parking lot of the residence time and should pay costs (time spent on the sidewalk free of charge). Provided per unit time fee of $ 1.