Introduction - If you have any usage issues, please Google them yourself
Lianyungang City guide system design. To vertices that the attractions, storage sites name, code, profile and other information the side that path, the path length of storage and other related information. The figure for visiting any sites offering information related to queries. Offers a map for visiting attractions, ask any query, that query between any two spots of a shortest simple path. Any spots available in the query graph, ie find all paths between any two points. Road map guide attractions and changes to extensions.