实现迷宫问题的求解：以一个m*n的长方阵表示迷宫，0和1分别表示迷宫中的通路和障碍。设计一个程序，对任意设定的迷宫，求出一条从入口到出口的通路，或得出没有通路的结论。-Achieve maze problem solving: a long-m* n matrix that maze, 0 and 1, respectively, in the maze of paths and obstacles. Design a program, for any set of the maze, find a pathway from the entrance to the exit, or come to the conclusion there is no path.