畅通工程Time Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30798Accepted Submission(s): 16193Problem Desc...
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其他好文 时间:
2014-08-17 10:18:32
阅读次数:
134
Description
Find Solutions
Look at the following equation:
c = ab - + 1
Now given the value of c, how many possible values of and
a and b are there (a and
b must be ...
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其他好文 时间:
2014-08-16 22:33:01
阅读次数:
287
O(n^2) is a naive solution. As rule of thumb, there must be O(n) soluion. Yes - greedy (WHY?)class Solution {public: int maxArea(vector &height) ...
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其他好文 时间:
2014-08-16 15:04:30
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153
Problem Description:
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given...
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其他好文 时间:
2014-08-15 22:34:39
阅读次数:
330
Given a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descending order....
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其他好文 时间:
2014-08-15 21:08:29
阅读次数:
212
11.dual:虚表,任何用户都可以使用,表结构如下:SQL> desc dual Name Null? Type ----------------------------------------- -------- -...
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数据库 时间:
2014-08-15 20:53:59
阅读次数:
392
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 c...
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其他好文 时间:
2014-08-15 17:18:39
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177
1 #文章管理 2 public function adminArticle(){ 3 $adminArticle=M("article"); 4 $arr_seach=$this->seach($adminArticle,10,"now desc"...
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Web程序 时间:
2014-08-15 14:31:18
阅读次数:
356
I got a DP solution first which is O(n^2). Apparently it is not a optimized one - think about: it is linear value space. There must be O(n) solution.A...
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其他好文 时间:
2014-08-15 05:04:07
阅读次数:
249
描述一个表用 desc employees过滤重复的部门 select distinct department_id from employees别名的三种方式: 1、空格 2、加as 3、" "(多个单词组成的别名必须加空格,要么用下划线分开)条件匹配日期的: where to_char(date...
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数据库 时间:
2014-08-14 23:37:06
阅读次数:
455