/*校园导游程序*//用无向网表示学校的校园景点平面图，图中顶点表示主要景点， <br>存放景点的编号、名称、简介等信息，图中的边表示景点间的道路，存放路径长度等信息。要求能够回答有关景点介绍、游览路径等问题。(/ * campus tour guide program * / / / / / using undirected network to express the campus scenic spot map of the school. The main attractions are expressed in the vertex of the map. <br> stores the number, name, introduction and other information of the scenic spots. The edges of the drawings represent the road between the scenic spots and the length of the path. It is required to answer questions such as scenic spot introduction, sightseeing route and so on.)