1) 设计下沙校园平面图，在校园景点选10个左右景点。以图中顶点表示校园内各景点，存放景点名称、代号、简介等信息；以边表示路径，存放路径长度等有关信息。

2) 为来访客人提供图中任意景点相关信息的查询。

3) 为来访客人提供任意景点的问路查询，即查询任意两个景点之间的一条最短路径。

-1) Design Xiasha campus plan, in campus election spots around 10 spots. Vertex in order to express in various spots on campus, storage spots name, code, briefings and other information　to express the path edge, storage path length and other relevant information. 2) for the visitors to provide map information on any attractions inquiries. 3) To provide visitors attractions arbitrary query to ask the way, that is, queries between any two spots of a shortest path.