dfs 深度优先搜索！这是走迷宫的基本算法。用广义表建立迷宫，用邻接表建立图，用dfs搜索，许多大学的数据结构作业-dfs depth-first search! Maze This is the basic algorithm. Generalized Table established maze, with the establishment of the adjacent table map, with dfs search, t