[leetcode]Anagrams
摘要：
AnagramsGiven an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.编程珠玑中的一道题，书中的解法很巧妙，我就直接搬来用了，时... 阅读全文
[leetcode]Text Justification
摘要：
Text JustificationGiven an array of words and a lengthL, format the text such that each line has exactlyLcharacters and is fully (left and right) just... 阅读全文
[leetcode]Single Number
摘要：
Single NumberGiven an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runti... 阅读全文
[leetcode]Longest Palindromic Substring
摘要：
Longest Palindromic SubstringGiven a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there... 阅读全文
[leetcode]Climbing Stairs
摘要：
Climbing StairsYou are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct way... 阅读全文
[leetcode]Longest Substring Without Repeating Characters
摘要：
Longest Substring Without Repeating CharactersGiven a string, find the length of the longest substring without repeating characters. For example, the ... 阅读全文
[leetcode]Longest Common Prefix
摘要：
Longest Common PrefixWrite a function to find the longest common prefix string amongst an array of strings.算法思路：思路：貌似木有什么捷径，逐个比较，遇到不同即断开。代码如下： 1 publi... 阅读全文
[leetcode]Populating Next Right Pointers in Each Node II
摘要：
Populating Next Right Pointers in Each Node IIFollow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any ... 阅读全文
[leetcode]Populating Next Right Pointers in Each Node
摘要：
Populating Next Right Pointers in Each NodeGiven a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLi... 阅读全文
[leetcode]Path Sum II
摘要：
Path Sum IIGiven a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tr... 阅读全文