2020年3月19日
[LintCode] 663. Walls and Gates
摘要： You are given a m x n 2D grid initialized with these three possible values. -1 - A wall or an obstacle.0 - A gate.INF - Infinity means an empty room. 阅读全文
posted @ 2020-03-19 05:03 xuan_abc 阅读(202) 评论(0) 推荐(0)
[LC] 269. Alien Dictionary
摘要： There is a new alien language which uses the latin alphabet. However, the order among letters are unknown to you. You receive a list of non-empty word 阅读全文
posted @ 2020-03-19 03:38 xuan_abc 阅读(192) 评论(0) 推荐(0)