2020年1月16日
[LC] 796. Rotate String
摘要： We are given two strings, A and B. A shift on A consists of taking string A and moving the leftmost character to the rightmost position. For example, 阅读全文
posted @ 2020-01-16 11:40 xuan_abc 阅读(155) 评论(0) 推荐(0)
[LC] 222. Count Complete Tree Nodes
摘要： Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wikipedia:In a complete binary tree every lev 阅读全文
posted @ 2020-01-16 10:21 xuan_abc 阅读(103) 评论(0) 推荐(0)