deals = [
lambda x, y: [x + 1, y], # 向下
lambda x, y: [x, y + 1], # 向右
lambda x, y: [x - 1, y], # 向上
lambda x, y: [x, y - 1], # 向左
]
path = [start] # 已走路径
maze[0][0] = 2 # 走过的坐标标记为2
while len(path) > 0:
cur_node = path[-1]
if cur_node == end:
break
for deal in deals:
next_node = deal(cur_node[0], cur_node[1])
if 0 <= next_node[0] <= end[0] and 0 <= next_node[1] <= end[1]:
if maze[next_node[0]][next_node[1]] == 0: # 可以走的坐标
path.append(next_node) # 添加到已走路径
maze[next_node[0]][next_node[1]] = 2 # 走过的坐标标记为2
break
else:
path.pop()
return path
while True:
try:
n, m = map(int, input().split())
ipt_maze = []
for i in range(n):
ipt_maze.append(list(map(int, input().split())))
final_path = deal_maze([0, 0], [n - 1, m - 1], ipt_maze)
for i in final_path:
print(f"({i[0]},{i[1]})")
except:
break