从迷宫的入口开始寻找一条到出口的路径。显示迷宫的布局，及找到的路径（最好显示寻找路径的过程）。走到某一步后，假定往下有四个方向的可能，即上、下、左、右四个方向。-From the maze entrance to begin the search for a path to export. Shows the layout of the maze and find the path (the best show to find the path of the process). Go after