交通咨询系统 (1) 提供对城市信息进行编辑(添加或删除)的功能.(2) 城市之间有两种交通工具:火车和飞机.提供对列车时刻表和飞机航班进行编辑(增设或删除...

代码说明：

交通咨询系统 (1) 提供对城市信息进行编辑(添加或删除)的功能.(2) 城市之间有两种交通工具:火车和飞机.提供对列车时刻表和飞机航班进行编辑(增设或删除)的功能.(3) 提供两种最优策略:最快到达或最省钱到达.全程只考虑一种交通工具.(4) 旅途中耗费的总时间应该包括中转站的等候时间-Traffic consultation system .-(1) to provide information on the city editor (add or delete) function. (2) Town between the two modes : Train and aircraft. Schedules for the train and flights for editing (created or deleted) function. (3) provide two Optimal strategy : to reach the fastest or the most money arrived. consider a whole only means of transport. (4) journey to the total time spent should include transit stations waiting time.