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搜索关键字:unique paths    ( 5916个结果
Hackerrank--Lexicographic paths
题目链接Krishnakant is standing at(0,0)in the Cartesian plane. He wants to go to the point(N,M)in the same plane using only horizontal and vertical moves ...
分类:其他好文   时间:2014-08-27 14:30:17    阅读次数:230
Permutations II <LeetCode>
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:2014-08-27 01:37:16    阅读次数:242
SQL SERVER 2005 获取表的所有索引信息以及删除和新建语句
BEGINWITHtxAS(SELECTa.object_id,b.nameASschema_name,a.nameAStable_name,c.nameasix_name,c.is_uniqueASix_unique,c.type_descASix_type_desc,d.index_column...
分类:数据库   时间:2014-08-26 21:27:06    阅读次数:368
SQLServer、MySQL、Oracle语法差异小集锦
一、表操作语法差异 在建表的时候,只有自增的语法不同。 主键(PRIMARY KEY)、外键(FOREIGN KEY)、非空(NOT NULL)、唯一(UNIQUE)、默认值(DEFAULT)都相同,自增实现的方式不同。 下面给出3种数据库通用的建表与初始化测试语句:CREATE TABLE ...
分类:数据库   时间:2014-08-26 21:08:06    阅读次数:271
[LeetCode] Longest Palindromic Substring
Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes...
分类:其他好文   时间:2014-08-26 19:09:06    阅读次数:153
Permutation Sequence
The set [1,2,3,…,n] contains a total of n! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence ...
分类:其他好文   时间:2014-08-25 22:49:25    阅读次数:274
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:2014-08-25 20:55:04    阅读次数:208
Unique Paths
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).The robot can only move either down or right at any po...
分类:其他好文   时间:2014-08-25 20:43:44    阅读次数:237
Unique Paths @ Python Leetcode EPI 17.4
Unique PathsA 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 a...
分类:编程语言   时间:2014-08-25 06:33:53    阅读次数:277
LeetCode: 4sum
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array whic...
分类:其他好文   时间:2014-08-24 23:37:03    阅读次数:278
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