Given an array of integers, every element appears
three times except for one. Find that single one. Note: Your algorithm should
have a linear runtime ...
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其他好文 时间：
2014-05-27 00:10:26
阅读次数：
319
本文原始路径：
https://www.zybuluo.com/Ivony/note/14074前言DbUtility v3 是一个开源的轻量级数据库访问框架，源代码通过
Apache 协议发布，可以用于商业用途。最新的版本可以通过 NuGet 进行下载，项目及源代码下载地址：https://git...
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数据库 时间：
2014-05-26 13:50:02
阅读次数：
361
【题目】
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
For example:
Input: ["tea","and","ate","eat","den"]
Output: ["tea","ate","eat"]
【题意】
anagrams指的是颠倒字母顺序构成的单词，以tea为例，则与它an...
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其他好文 时间：
2014-05-24 18:36:01
阅读次数：
317
Given an array of integers, every element
appears twice except for one. Find that single one. Note: Your algorithm should
have a linear runtime comple...
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其他好文 时间：
2014-05-23 07:22:48
阅读次数：
241
Given an arraySofnintegers, are there
elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which
gives the sum of zero.Note:Elemen...
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其他好文 时间：
2014-05-22 16:53:52
阅读次数：
173
Given an array of integers, every element
appearstwiceexcept for one. Find that single one.Note:Your algorithm should have
a linear runtime complexity...
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其他好文 时间：
2014-05-22 16:31:03
阅读次数：
194
Two elements of a binary search tree (BST) are
swapped by mistake.Recover the tree without changing its structure.Note:A
solution using O(n) space is ...
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其他好文 时间：
2014-05-21 19:11:16
阅读次数：
266
【题目】
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.
Each number in C may only be used once in the combination.
Note:
All numbers (including target) will be ...
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其他好文 时间：
2014-05-21 15:55:25
阅读次数：
259
【题目】
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.
The same repeated number may be chosen from C unlimited number of times.
Note:
All numbers (including target) w...
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其他好文 时间：
2014-05-21 15:21:28
阅读次数：
292
【题目】
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
【题意】
给定用字符串表示的整数，返回两个数的乘积结果字符串。两个数字都非负，且能任意大。
【思路】
1. 考虑其中一个数是0的情况
2. 模拟乘法运算...
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其他好文 时间：
2014-05-21 13:45:37
阅读次数：
214
