给出学校的导游图，游客通过终端询问可知：任一景点的相关信息：从某一景点到另一景点的最短简单路径；游客从校园大门进入，选一条最佳路线，使游客可以不重复地游览各景点，最后回到出口-Given school guide map, visitors can see through the terminal asks: Related Information point: from one attraction to the other attractions of the shortest simple path　visitors from entering the campus gates, choose the best route, so that visitors can not repeat explore the various attractions, and finally back to exports