You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a link...
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其他好文 时间：
2015-01-27 09:29:46
阅读次数：
186
1.not in方法select top 10 from books where id not in(select top 30 id from books)2.row_number()函数select * from (select *,row_number() over (order by id)...
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数据库 时间：
2015-01-27 09:15:01
阅读次数：
145
Details not refined yet..struct Ret{ Ret(TreeNode *p, Mask rm) : pVal(p), m(rm){} TreeNode *pVal; Mask m;};class Solution {public: Ret lca...
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其他好文 时间：
2015-01-27 07:03:07
阅读次数：
193
题目：
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.
我的解法：
（1）算法思想：
二分法，数组的中间点为根节点，然后递归。
（2）代码如下：
{CSDN:CODE:589537}...
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其他好文 时间：
2015-01-26 19:21:31
阅读次数：
136
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
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其他好文 时间：
2015-01-25 22:33:24
阅读次数：
150
1、ORDER BY 中关于NULL的处理缺省处理，Oracle在Order by 时觉得null是最大值，所以假设是ASC升序则排在最后，DESC降序则排在最前。当然，你也能够使用nulls first 或者nulls last 语法来控制NULL的位置。Nulls first和nulls las...
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其他好文 时间：
2015-01-25 20:54:33
阅读次数：
110
http://poj.org/problem?id=1094
Description
An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smallest to larges...
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编程语言 时间：
2015-01-25 19:39:31
阅读次数：
185
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order ...
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其他好文 时间：
2015-01-25 18:19:01
阅读次数：
219
题目：
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are...
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其他好文 时间：
2015-01-25 16:44:04
阅读次数：
136
Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "inside jobs" where employees collaborate with gambler...
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系统相关 时间：
2015-01-25 11:13:05
阅读次数：
228
