N, M = map(int, input().split()) maze = [] # 构造N行M列的迷宫 for _ in range(N): row = list(map(int, input().split())) maze.append(row) # 定义下一步的位置 dirs = [ lambda x,y: (x+1,y), # 向上 lambda x,y: (x-1,y), # 向下 lambda x,y: (x,y-1), # 向左 &n...