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