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Subsets 集合子集 回溯
Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not co...
分类:其他好文   时间:2014-11-21 01:17:47    阅读次数:293
Problem B: Excuses, Excuses!
Description Judge Ito is having a problem with people subpoenaed for jury duty giving rather lame excuses in order to avoid serving. In order to reduce the amount of time required listening to go...
分类:其他好文   时间:2014-11-20 23:48:40    阅读次数:283
Spiral Matrix II
Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following matri...
分类:其他好文   时间:2014-11-20 23:21:17    阅读次数:256
[Swift]Day04:习题课
习题笔记今天解决一下 Higher Order Functions: Map, Filter, Reduce and more – Part 1 中最后的13个练习题,主要是关于闭包的(咦不对啊我明明是想看集合方面内容的。。。)。Write a function applyTwice(f:(Float -> Float),x:Float) -> Float that takes a functio...
分类:编程语言   时间:2014-11-20 22:02:09    阅读次数:278
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2014-11-20 21:42:11    阅读次数:156
Hive静态分区表&动态分区表
静态分区表:一级分区表:CREATE TABLE order_created_partition ( orderNumber STRING , event_time STRING)PARTITIONED BY (event_month string)ROW FORMAT DELIMITED...
分类:其他好文   时间:2014-11-20 18:21:25    阅读次数:343
Convert Sorted Array to Binary Search Tree转换成平衡二查搜索树
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.二分递归转换Hide TagsTreeDepth-first Search/** * Definition...
分类:其他好文   时间:2014-11-20 13:40:54    阅读次数:171
with as
with as 短语,也叫做子查询部分(subquery factoring)公用表达式(CTE)。使用范围:sql2005及以上版本有效。作用:1、提高可读性-- 表名v_OrdersWITH tableBase AS (SELECT ROW_NUMBER() OVER (ORDER BY Id)...
分类:其他好文   时间:2014-11-20 11:59:02    阅读次数:179
Optimized Pagination using MySQL---reference
Dealing with large data sets makes it necessary to pick out only the newest or the hottest elements and not displaying everything. In order to have ol...
分类:数据库   时间:2014-11-20 11:38:12    阅读次数:163
leetcode Permutation Sequence
The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:其他好文   时间:2014-11-19 23:43:08    阅读次数:250
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