Single NumberGiven an array of integers, every
element appearstwiceexcept for one. Find that single one.Note:Your algorithm
should have a linear runti...
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其他好文 时间:
2014-07-22 23:07:14
阅读次数:
337
Given a binary tree, find its maximum depth.The
maximum depth is the number of nodes along the longest path from the root node
down to the farthest le...
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其他好文 时间:
2014-07-22 23:07:13
阅读次数:
379
问题描述:今天一早,所有淡定下来后准备启动本地Tomcat,突然出现一堆错误:严重:
StandardServer.await: create[8005]: java.net.BindException: Cannot assign
requested address: JVM_Bind at...
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编程语言 时间:
2014-05-01 15:18:07
阅读次数:
413
//
查找满足指定条件的结果中的第一行$post=Post::model()->find($condition,$params);//
查找具有指定主键值的那一行$post=Post::model()->findByPk($postID,$condition,$params);//
查找具有指定属性...
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数据库 时间:
2014-05-01 01:59:01
阅读次数:
411
在windows下运行VMware创建的虚拟机时出错,无法运行。
错误提示大概为:
Failed to lock the file
Cannot open the disk 'D:\Windows Server 2008 R2 x64.vmdk' or one of the snapshot disks it depends on.
解决方法:
把虚拟机文件夹里【.lck】...
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其他好文 时间:
2014-04-29 13:28:21
阅读次数:
366
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down or right at...
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其他好文 时间:
2014-04-28 10:46:41
阅读次数:
311
题目描述
Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there.
C...
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其他好文 时间:
2014-04-28 10:33:40
阅读次数:
340
http://acm.hdu.edu.cn/showproblem.php?pid=1595
大致题意:
给一个图,让输出从中删除任意一条边后所得最短路径中最长的。。
思路:
直接枚举每条边想必是不行的。其实有些边是不需要枚举的,因为删除它们并不影响起点到终点的最短路。起作用的边都是未删边前的最短路径上的边,删除它们最短距离肯定增大,只需在这些最短距离中求最大的即可。
记录最短路...
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Web程序 时间:
2014-04-28 10:24:42
阅读次数:
393
" checking for SSL headers... configure: error: Cannot find ssl headers"
原因是缺少openssl-devel,安装这个库就可以解决问题。
yum -y install openssl-devel...
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其他好文 时间:
2014-04-27 21:32:05
阅读次数:
283
Annotations are one of the fundamental language changes
introduced in Java SE5. They provide information that you need to fully describe your program, but that cannot be expressed in Java. Thus, anno...
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编程语言 时间:
2014-04-27 21:14:59
阅读次数:
431