vb+mo实现最短路径的查询，城市公交查询-vb+ mo to achieve the shortest path query, urban public transport inquiry

某工厂自国外进口一部机器，需从制造厂A运到目的地E，试求运输成本最低的路线，最短路径法，运行可用！C++源码-// Imported a factory in a machine, to be shipped the manufacturer A to destination E, Find the lowest cost transportation route, the shortest path method can be used to run! C++ source