题目:
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 contain duplicate subsets.
For example,
If S...
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其他好文 时间:
2015-04-21 00:26:35
阅读次数:
134
set statistics io on set statistics time on --SQL Server 2012分页方式 select * from Production.Product order by ProductID offset 20 row fetch next 10 rows...
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数据库 时间:
2015-04-21 00:18:23
阅读次数:
171
对分数排序 参考了网上的答案 而且如果不Order by 有一个BUG就是 如果表为空则什么都不输出包括null才是正确的。 # Write your MySQL query statement belowselect s.Score, count(rank.Score) as Rankfrom ....
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其他好文 时间:
2015-04-21 00:06:10
阅读次数:
135
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.题目大意:给定一个升序序列的数组,将其转换为二叉搜索树。解题思路:数组中间元素是根元素,根元素将数组划分为...
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其他好文 时间:
2015-04-20 22:39:28
阅读次数:
207
create database xueshengdrop database xushenguse xueshenggocreate table xueshengxinxi(code int primary key identity(1,1)not null,name varchar(50) not ...
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数据库 时间:
2015-04-20 16:21:22
阅读次数:
173
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 (ie, for n = 3):"123""132""213""231""312""321"Give...
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其他好文 时间:
2015-04-20 15:00:36
阅读次数:
116
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 does ...
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其他好文 时间:
2015-04-20 14:53:39
阅读次数:
95
problem:
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).
For example:
Given binary tree {3,9,20,#,#,15,7},
3...
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其他好文 时间:
2015-04-20 11:14:41
阅读次数:
131
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.采用二分递归。 1 class Solution { 2 public: 3 TreeNode *...
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其他好文 时间:
2015-04-19 21:10:54
阅读次数:
173
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.
You should preserve the original relative order of the nodes in each of...
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其他好文 时间:
2015-04-19 17:56:02
阅读次数:
131