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LeetCode No.5 Longest Palindromic Substring
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
分类:其他好文   时间:2015-01-14 16:44:41    阅读次数:109
LeetCode--Unique Binary Search Trees II
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example, Given n = 3, your program should return all 5 unique BST's shown below. 1 3 ...
分类:其他好文   时间:2015-01-14 09:52:27    阅读次数:150
Leetcode:Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2015-01-13 23:09:55    阅读次数:151
Leetcode:Unique Paths
A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ...
分类:其他好文   时间:2015-01-13 22:55:24    阅读次数:195
matlab 基础 unique函数与ismember函数
matlab 基础 unique函数与ismember函数...
分类:其他好文   时间:2015-01-13 21:39:37    阅读次数:283
Unique Binary Search Trees
https://oj.leetcode.com/problems/unique-binary-search-trees/Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For...
分类:其他好文   时间:2015-01-13 21:13:32    阅读次数:161
LeetCode--Unique Binary Search Trees
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 1 \ ...
分类:其他好文   时间:2015-01-13 19:50:02    阅读次数:147
关于mysql自增字段问题
最近遇到mysql字段的自增问题,需要临时处理一下,然后就顺便补补课,这样就有了这样一篇文章。1.自增值是什么他是一个字段属性,是用来创建唯一标识的列的The AUTO_INCREMENT attribute can be used to generate a unique identity for...
分类:数据库   时间:2015-01-13 19:15:55    阅读次数:166
SQL 约束和表修改语句
1.约束作用: 约束的目的就是确保表中的数据的完整性2.常用的约束类型如下 主键约束:(Primary Key constraint) 要求主键列唯一,并且不允许为空 唯一约束:(Unique Constraint) 要求该列唯一,允许为空,但只能出现一个空值 检查约...
分类:数据库   时间:2015-01-13 15:44:26    阅读次数:300
Leetcode:Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm...
分类:其他好文   时间:2015-01-13 15:40:23    阅读次数:169
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