2017年6月15日
Leetcode: 87. Scramble String
摘要： Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively. 阅读全文
posted @ 2017-06-15 10:39 JeffNice 阅读(148) 评论(0) 推荐(0)
Leetcode: 89. Gray Code
摘要： The gray code is a binary numeral system where two successive values differ in only one bit. 阅读全文
posted @ 2017-06-15 10:38 JeffNice 阅读(203) 评论(0) 推荐(0)