2015年7月27日
Implement Trie (Prefix Tree) ——LeetCode
摘要： Implement a trie withinsert,search, andstartsWithmethods.Note:You may assume that all inputs are consist of lowercase lettersa-z.实现一个字典树。好久不做题，没感觉啊，Tr... 阅读全文
posted @ 2015-07-27 18:09 丶Blank 阅读(167) 评论(0) 推荐(0)
Course Schedule II
摘要： There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have to firs... 阅读全文
posted @ 2015-07-27 13:32 丶Blank 阅读(203) 评论(0) 推荐(0)