2019年12月6日
[LC] 490. The Maze
摘要： There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop roll 阅读全文
posted @ 2019-12-06 11:57 xuan_abc 阅读(157) 评论(0) 推荐(0)