~每天进步一点点~

2015年8月6日

[leedcode 215] Kth Largest Element in an Array

摘要： Find thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.For exampl... 阅读全文

posted @ 2015-08-06 21:04 ~每天进步一点点~ 阅读(124) 评论(0) 推荐(0)

[leedcode 214] Shortest Palindrome

摘要： Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can f... 阅读全文

posted @ 2015-08-06 20:58 ~每天进步一点点~ 阅读(122) 评论(0) 推荐(0)

[leedcode 213] House Robber II

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

posted @ 2015-08-06 19:58 ~每天进步一点点~ 阅读(127) 评论(0) 推荐(0)

[leedcode 212] Word Search II

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 adjac... 阅读全文

posted @ 2015-08-06 10:42 ~每天进步一点点~ 阅读(108) 评论(0) 推荐(0)

2015年8月5日

[leedcode 211] Add and Search Word - Data structure design

摘要： Design a data structure that supports the following two operations:void addWord(word)bool search(word)search(word) can search a literal word or a regu... 阅读全文

posted @ 2015-08-05 22:24 ~每天进步一点点~ 阅读(246) 评论(0) 推荐(0)

[leedcode 210] 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 @ 2015-08-05 21:47 ~每天进步一点点~ 阅读(190) 评论(0) 推荐(0)

2015年8月4日

[leedcode 209] Minimum Size Subarray Sum

摘要： Given an array ofnpositive integers and a positive integers, find the minimal length of a subarray of which the sum ≥s. If there isn't one, return 0 i... 阅读全文

posted @ 2015-08-04 22:36 ~每天进步一点点~ 阅读(105) 评论(0) 推荐(0)

[leedcode 208] Implement Trie (Prefix Tree)

摘要： Trie树又被称为字典树、前缀树，是一种用于快速检索的多叉树。Tried树可以利用字符串的公共前缀来节省存储空间。但如果系统存在大量没有公共前缀的字符串，相应的Trie树将非常消耗内存。（下图为Wiki上的Trie树示意图， https://en.wikipedia.org/wiki/Trie）子节... 阅读全文

posted @ 2015-08-04 22:27 ~每天进步一点点~ 阅读(139) 评论(0) 推荐(0)

[leedcode 207] Course Schedule

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 @ 2015-08-04 21:54 ~每天进步一点点~ 阅读(132) 评论(0) 推荐(0)

2015年8月3日

[leedcode 206] Reverse Linked List

摘要： Reverse a singly linked list./** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int... 阅读全文

posted @ 2015-08-03 22:38 ~每天进步一点点~ 阅读(146) 评论(0) 推荐(0)

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