Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
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其他好文 时间：
2014-07-09 23:32:44
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276
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
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其他好文 时间：
2014-07-09 23:00:38
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208
在自动化测试的过程中，经常会出现这样的场景：按住Ctrl的同时，进行单击操作，已达到多选的目的Actions a = new Actions(driver);a.keyDown(Keys.CONTROL).perform();for(int i = 0;i<quantity;i++){ W...
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其他好文 时间：
2014-07-09 21:33:36
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305
Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with ...
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其他好文 时间：
2014-07-08 23:12:45
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298
Given n points on a 2D plane, find the maximum number of points that lie on the same straight line.
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其他好文 时间：
2014-07-08 00:41:49
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235
Implement an algorithm to find the kth to last element of a singly linked list.Classical "Runner" Technique of linkedlist/*Use two pointers, forward o...
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其他好文 时间：
2014-07-08 00:37:17
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315
Find the Marble
Time Limit: 2 Seconds
Memory Limit: 65536 KB
Alice and Bob are playing a game. This game is played with several identical pots and one marble. When the game starts, Alice...
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其他好文 时间：
2014-07-06 11:35:34
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133
Description
The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city counci...
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其他好文 时间：
2014-07-06 10:53:28
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185
portlet 在部署之后，报异常 - Could not initialize class com.liferay.util.portlet.PortletProps。
先简述一下 portlet.properties，开发 portlet 过程中，可自己定义类似于 portal.properties 的配置文件 - portlet.properties。
步骤如下：
1. 在 c...
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其他好文 时间：
2014-07-06 10:26:19
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285
今天更新为163的源后,yum的时候报错:GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5.
解决方案:vi /etc/yum.repos.d/CentOS-Base.repo
把文件里所有的RPM-GPG-KEY-CentOS-5更改为R...
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其他好文 时间：
2014-07-06 08:39:27
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404
