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SQL Server中的Merge关键字
Merge关键字是一个神奇的DML关键字。它在SQL Server 2008被引入,它能将Insert,Update,Delete简单的并为一句。MSDN对于Merge的解释非常的短小精悍:”根据与源表联接的结 果,对目标表执行插入、更新或删除操作。例如,根据在另一个表中找到的差异在一个表中插入、更...
分类:数据库   时间:2014-12-24 17:39:58    阅读次数:130
Add Two Numbers
Problem StatementYou are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes ...
分类:其他好文   时间:2014-12-24 16:08:33    阅读次数:137
归并排序求逆序对
归并排序求逆序对by mps 【1】什么是逆序对? 对于一个数列需要按从小到大排序,如果有ai,aj且满足ai>aj和i>1;20 merge_sort(l,mid);21 merge_sort(mid+1,r);22 Union(l,mid,r);...
分类:编程语言   时间:2014-12-23 23:49:24    阅读次数:261
【LeetCode】Add Two Numbers
Add Two NumbersYou are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes co...
分类:其他好文   时间:2014-12-23 13:40:36    阅读次数:183
Leetcode: Intersection of Two Linked Lists
Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a...
分类:其他好文   时间:2014-12-23 06:40:46    阅读次数:128
leetcode. Merge Sorted Array
Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal...
分类:其他好文   时间:2014-12-22 19:18:27    阅读次数:180
erlang的lists笔记
一般循环用在遍历列表的时候,erlang有lists模块直接支持遍历,不需要自己写尾递归遍历listlists:foreach用来遍历列表,不保存结果,最后一次返回oklists:map遍历列表,不过,每次函数 Fun 执行的结果将保留,并组成一个列表返回。lists:filter遍历列表,根据返回...
分类:其他好文   时间:2014-12-22 19:15:02    阅读次数:361
poj 2777 Counting Colors
单线段树单记录的套路,记录的是这个区间一致的颜色或者0 技巧是这个颜色可以用1 这个一致性体现在以下合并与分割时的过程,分割只需要把一致颜色放下去(为0就不放了),合并时只有两侧区间颜色一致才记录 #define tree_merge tree_obj = tree[root1] == tree[root1|1] ? tree[root 1] : 0 #define tre...
分类:其他好文   时间:2014-12-22 07:05:30    阅读次数:154
leetcode------Merge Sorted Array
标题:Merge Sorted Array通过率:31.1%难度:简单Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough s...
分类:其他好文   时间:2014-12-21 23:22:34    阅读次数:249
【leetcode】Merge Sorted Array
Merge Sorted ArrayGiven two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that i...
分类:其他好文   时间:2014-12-21 22:02:28    阅读次数:189
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