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[LeetCode][Java] Binary Tree Zigzag Level Order Traversal
题目: Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Give...
分类:编程语言   时间:2015-07-20 23:39:45    阅读次数:184
[leedcode 103] Binary Tree Zigzag Level Order Traversal
Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al...
分类:其他好文   时间:2015-07-20 23:09:54    阅读次数:123
[leedcode 102] Binary Tree Level Order Traversal
Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,9,2...
分类:其他好文   时间:2015-07-20 22:54:51    阅读次数:89
SQL Server里如何随机记录集
今天的文章,我想给你简单介绍下SQL Server里如何随机记录集。1 SELECT * FROM Person.Person2 ORDER BY NEWID()3 GO这会引入新的UNIQUEIDENTIFIER数据类型列,SQL Server会在那列上进行物理排序操作。但是在记录集里列本身没有返...
分类:数据库   时间:2015-07-20 22:51:50    阅读次数:153
[CareerCup] 2.5 Add Two Numbers 两个数字相加
2..5 You have two numbers represented by a linked list, where each node contains a single digit. The digits are stored in reverse order, such that the...
分类:其他好文   时间:2015-07-20 21:17:55    阅读次数:192
支付宝(移动支付)
支付宝(移动支付)1、支付宝 快捷支付(无线) 申请: https://b.alipay.com/order/productDetail.htm?productId=2014110308141993 申请条件(二选一):1、 使用 企业支付宝账号注册企业账号 2、个体工商户(需要上传营...
分类:移动开发   时间:2015-07-20 20:59:35    阅读次数:246
oracle sql 按照汉字规则排序
-- 按照笔划排序select * from traveler_info order by nlssort(traveler_name, 'nls_sort=schinese_stroke_m');-- 按照部首排序select * from traveler_info order by nlsso...
分类:数据库   时间:2015-07-20 18:25:22    阅读次数:264
1051. Pop Sequence (25)
题目如下: Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are supposed to tell if a given sequence of numbers is a possible pop ...
分类:其他好文   时间:2015-07-20 16:46:24    阅读次数:124
排序函数 rank() dense_rank()
排序函数:1.rank() over(partition by 分组项 order by 排序项 [desc|asc])2.dense_rank() over(partition by 分组项 order by 排序项 [desc|asc])区别:dence_rank在并列关系后,不会跳过等级。ra...
分类:编程语言   时间:2015-07-20 12:44:25    阅读次数:126
(简单) POJ 2029 Get Many Persimmon Trees,暴力。
DescriptionSeiji Hayashi had been a professor of the Nisshinkan Samurai School in the domain of Aizu for a long time in the 18th century. In order to ...
分类:其他好文   时间:2015-07-20 10:48:24    阅读次数:109
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