这个算法可以很好的实现飞机订票系统，其中包括实现飞机票的预定和退票，飞机航班号，出发地和终点地点，飞机的起飞时间和降落时间其票价和折扣以及乘客所要订的票数-this algorithm can achieve very good aircraft booking system, including the realization of the scheduled airline tickets and refunds. flights, departure and destination locations, the time the aircraft took off and landed at the time of their fares and discounts to passengers and the number of votes, and so on