[LeetCode] 499. The Maze III 迷宮 III
There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r ...
原文：[LeetCode] The Maze III 迷宮之三
There is aballin a maze with empty spaces and walls. The ball can go through empty spaces by rollingup u ,down d ,left l orright r , but it won t stop rolling until hitting a wall. When the ball stop ...
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