设停车场是一个可停放n辆车的狭长通道，且只有一个大门可供汽车进出。在停车场内，汽车按到达的先后次序，由北向南依次排列（假设大门在最南端）。若车场内已停满n辆车，则后来的汽车需在门外的便道上等候，当有车开走时，便道上的第一辆车即可开入。当停车场内某辆车要离开时，在它之后进入的车辆必须先退出车场为它让路，待该辆车开出大门后，其它车辆再按原次序返回车场。每辆车离开停车场时，应按其停留时间的长短交费（在便道上停留的时间不收费）。-Parking lots is a car parked n the narrow channel, and only one gate for vehicle access. In the parking lot, the car according to the order of arrival, from north to south in order of priority (assuming the door at the southern tip). If the venue is full of parked cars n car, then later the car to be waiting on the sidewalk outside, when a car pulled away, the first car on the pavement can be opened into. When the parking lot of a car to leave, then it must exit the vehicle into the yard to make way for it, to be out the door after the car, other vehicles and then return to the original sequence park. Vehicle left the parking lot, according to their length of stay pay (time spent on the sidewalk of charge).