迷宫游戏有多种。有的迷宫只要你能走出来就算成功；有的是要求不但能走出来，而且走的步数越少得分越高。为了能得到高分，你肯定在路线的选择上下功夫，尽量用最少的步数走出迷宫。任务是，计算出走出迷宫需要的最少步数是多少？-There are a variety of maze game. Some maze as long as you can come out even if successful some requirements will not only come out, but the f