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2017年3月28日

leetcode 213. House Robber II 抢劫房子II---------- java

摘要： Note: This is an extension of House Robber. After robbing those houses on that street, the thief has found himself a new place for his thievery so tha 阅读全文

posted @ 2017-03-28 23:00 xiaoba1203 阅读(354) 评论(0) 推荐(0) 编辑

leetcode 212. Word Search II Add to List 查找单词---------- java

摘要： Given a 2D board and a list of words from the dictionary, find all words in the board. Each word must be constructed from letters of sequentially adja 阅读全文

posted @ 2017-03-28 18:05 xiaoba1203 阅读(237) 评论(0) 推荐(0) 编辑

leetcode 211. Add and Search Word - Data structure design 设计一个数据结构用来存储word---------- java

摘要： Design a data structure that supports the following two operations: search(word) can search a literal word or a regular expression string containing o 阅读全文

posted @ 2017-03-28 16:15 xiaoba1203 阅读(167) 评论(0) 推荐(0) 编辑

leetcode 210. Course Schedule II 课程计划 II ---------- java

摘要： There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have t 阅读全文

posted @ 2017-03-28 12:32 xiaoba1203 阅读(192) 评论(0) 推荐(0) 编辑

leetcode 209. Minimum Size Subarray Sum 找出最小的和的长度 ---------- java

摘要： Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't 阅读全文

posted @ 2017-03-28 11:52 xiaoba1203 阅读(225) 评论(0) 推荐(0) 编辑

leetcode 208. Implement Trie (Prefix Tree) 设计前缀树 ---------- java

摘要： Implement a trie with insert, search, and startsWith methods. Note:You may assume that all inputs are consist of lowercase letters a-z. 设计一个前缀树，包括inse 阅读全文

posted @ 2017-03-28 10:28 xiaoba1203 阅读(122) 评论(0) 推荐(0) 编辑

2017年3月28日

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