Description: [basic requirements]
(1) provide the function of editing the city information (e.g. add work delete)
(2) there are two types of transportation between cities: trains and planes. Provides the ability to edit train schedules and flight schedules (add or delete).
(3) provide the best decision on both sides: arrive at the fastest or most economical time. Consider only one type of transportation.
(4) the total time spent on the trip should include the waiting time of the relay station.
(5) the consultation is conducted with the user and the computer. By the user to enter the originating station, terminal, the principle of optimal decision, and transportation, output information: how long does it take to get to fastest or at least how much travel to get to, and detailed instructions which, in turn, in which a train when to take a flight to and from where.
[implementation tips]
(1) to edit the national urban traffic map and train schedules and flight schedules, it should provide input and keyboard input in two ways. The information of the flight schedule includes: the departure time of the starting station ticket, the arrival time of the terminal and the ticket price; The train schedule gives detailed information about the sections according to the map.
(2) in the adjacent table storage structure of a road map, said in addition to the adjacent points in the edge nodes of information, it should also include transportation, distance of time and cost of energy consumption and the departure and arrival time of multiple attributes.
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