2017年6月25日
199. Binary Tree Right Side View
摘要： 题目： Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. For 阅读全文
posted @ 2017-06-25 22:24 panini 阅读(186) 评论(0) 推荐(0)
187. Repeated DNA Sequences
摘要： 题目： All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful 阅读全文
posted @ 2017-06-25 20:35 panini 阅读(234) 评论(0) 推荐(0)