设停车场是一个可以停放n辆汽车的狭长通道，且只有一个大门可以供车辆进出。车辆按到达停车场时间的早晚依次从停车场最里向大门口处停放（最先到达的第一辆车放在停车场的最里面）。-Parking lots can be a vehicle parked in the narrow channel n, and only one door can be used for vehicle access. Parking lot by the time the vehicle arrives sooner or later turn from the parking lot at the entrance to the park in the (first to reach the first car on the parking lot of the inside.)