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[leetcode] Permutation Sequnce
原题地址:https://oj.leetcode.com/submissions/detail/5341904/题意:The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of ...
分类:其他好文   时间:2014-12-27 11:14:19    阅读次数:182
leetcode 3sum
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...
分类:其他好文   时间:2014-12-27 06:42:02    阅读次数:127
[LeetCode]96.Unique Binary Search Trees
【题目】 Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example, Given n = 3, there are a total of 5 unique BST's. 1 3 3 2 ...
分类:其他好文   时间:2014-12-26 21:41:23    阅读次数:162
Cracking the coding interview汇总目录
很久之前刷的CTCI的题目,都快忘记了,做个分类汇总,再重新好好复习一遍。 Chapter 1 | Arrays and Strings 1.1 Implement an algorithm to determine if a string has all unique characters. What if you can not use additional data stru...
分类:其他好文   时间:2014-12-26 20:20:00    阅读次数:452
keychain
UDID的全称是Unique Device Identifier,顾名思义,它就是苹果IOS设备的唯一识别码,它由40个字符的字母和数字组成。UUID是Universally Unique Identifier的缩写,中文意思是通用唯一识别码。禁止udid是苹果为了保护用户的隐私,uuid则是给出的...
分类:其他好文   时间:2014-12-25 20:13:46    阅读次数:232
MySQL AUTO_INCREMENT 简介
可使用复合索引在同一个数据表里创建多个相互独立的自增序列,具体做法是这样的:为数据表创建一个由多个数据列组成的PRIMARY KEY OR UNIQUE索引,并把AUTO_INCREMENT数据列包括在这个索引里作为它的最后一个数据列。这样,这个复合索引里,前面的那些数据列每构成一种独一无二的组合,...
分类:数据库   时间:2014-12-25 17:50:25    阅读次数:126
Leetcode 3Sum
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...
分类:其他好文   时间:2014-12-25 16:13:13    阅读次数:204
java大作业 KShinglingAlgorithm
wiki上关于KShingling Algorithm(w-shingling)的说明:http://en.wikipedia.org/wiki/W-shingling摘要:In natural language processing a w-shingling is a set of unique...
分类:编程语言   时间:2014-12-25 14:24:11    阅读次数:245
[leetcode] Longest Palindromic Substring
题目:(String)Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique...
分类:其他好文   时间:2014-12-25 06:34:06    阅读次数:198
【IOS笔记】Creating Custom Content View Controllers
Creating Custom Content View Controllers自定义内容视图控制器Custom content view controllers are the heart of your app. You use them to present your app’s unique...
分类:移动开发   时间:2014-12-25 01:22:27    阅读次数:233
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