2019年7月21日
355. Design Twitter - Medium
摘要： Design a simplified version of Twitter where users can post tweets, follow/unfollow another user and is able to see the 10 most recent tweets in the u 阅读全文
posted @ 2019-07-21 15:52 fatttcat 阅读(259) 评论(0) 推荐(0)
1087. Brace Expansion - Medium
摘要： A string S represents a list of words. Each letter in the word has 1 or more options. If there is one option, the letter is represented as is. If ther 阅读全文
posted @ 2019-07-21 08:29 fatttcat 阅读(602) 评论(0) 推荐(0)