Description Input Output Sample Input Sample Output 解题思路: 首先我们考虑这个问题:给定两个序列A,B,和确定的数x,问是否存在i,j使满足A[i]+B[j]=x的?最快的方法是枚举A,然后在B中二分查找 x-A。现在回到这个问题,这道题给了三组
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其他好文 时间:
2016-03-22 13:51:19
阅读次数:
187
Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-neg
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其他好文 时间:
2016-03-22 00:32:21
阅读次数:
201
WebDriver can't action the element when out of view Webdriver can't action the element when the element is out of view 1. Scroll to the element use ja
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其他好文 时间:
2016-03-22 00:20:52
阅读次数:
189
今天做网页到了测试和数据库交互的地方,其中HTML和数据库都是设置成utf-8格式编码,插入到数据库中是正确的,但是当读取出来的时候就会出错,原因就是python的str默认是ascii编码,和unicode编码冲突,就会报这个标题错误。那么该怎样解决呢? 通过搜集网上的资料,自己多次尝试,问题算是
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其他好文 时间:
2016-03-21 17:54:31
阅读次数:
112
Neat DP problem to go. If you don't like log(), you can use lookup table.
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其他好文 时间:
2016-03-21 13:57:56
阅读次数:
114
原题链接在这里:https://leetcode.com/problems/minimum-height-trees/ 题目: For a undirected graph with tree characteristics, we can choose any node as the root.
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其他好文 时间:
2016-03-21 13:48:16
阅读次数:
165
Monitoring and maintaining large-scale, complex, highly distributed and interconnected systems can be extremely challenging for network administrators
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系统相关 时间:
2016-03-21 12:26:24
阅读次数:
270
卸载自带vim 下载vim包 解压缩三个包 把插件包移动到vim74主目录里 安装编译时需要的包 编译安装vim 安装sudo 编译过程中出现以下错误的解决: Can't open perl script "/usr/share/perl5/ExtUtils/xsubpp": No such fil
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系统相关 时间:
2016-03-21 07:06:32
阅读次数:
859
Allows for making a properties file from a classpath location available as Properties instance in a bean factory. Can be used to populate any bean pro
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编程语言 时间:
2016-03-21 01:43:30
阅读次数:
478
HandlerThread是个什么东西?查看类的定义时有这样一段话:Handy class for starting a new thread that has a looper. The looper can then be used to create handler classes. Note that start() must still be called.意思就是说:这个类的作用是创建一...
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移动开发 时间:
2016-03-20 18:04:54
阅读次数:
200