============问题描述============ 异常日志如下：
Causedby:java.lang.IllegalStateException:Cannotperformthisoperationbecausetheconnectionpoolhasbeenclosed. atandro...
分类：
数据库 时间：
2014-10-22 01:02:11
阅读次数：
462
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?注意，链表循环并不是尾指针和头指针相同，可能是在中间某一段形成一个环路，所以不能只判...
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其他好文 时间：
2014-10-21 22:56:24
阅读次数：
335
Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4],the...
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其他好文 时间：
2014-10-21 22:52:27
阅读次数：
278
在一个id为table的表格的tbody中，如果每一行的最后一列的checkbox没有被禁用，则把这行的背景色设置为红色。$( "#table>tbody>tr:has(td:last:has( :checkbox:enabled ) )" ).css( "background", "red" );
分类：
Web程序 时间：
2014-10-21 19:26:33
阅读次数：
172
Task
Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 3587 Accepted Submission(s): 930
Problem Description
Today the company has m tasks to...
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其他好文 时间：
2014-10-21 15:27:24
阅读次数：
141
TheInetAddressclass has no visible constructors. To create anInetAddressobject, you have to use one of the available factory methods.Factory methodsar...
分类：
编程语言 时间：
2014-10-21 03:35:38
阅读次数：
383
As you know, all the kids in Berland love playing with cubes. Little Petya has n towers consisting of cubes of the same size. Tower with number i consists
of ai cubes
stacked one on top of the oth...
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其他好文 时间：
2014-10-20 23:23:25
阅读次数：
282
题目链接
Problem A: The Monocycle
A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel...
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其他好文 时间：
2014-10-20 23:20:06
阅读次数：
309
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
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其他好文 时间：
2014-10-20 22:58:44
阅读次数：
305
Face The Right Way
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 2665
Accepted: 1233
Description
Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in...
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其他好文 时间：
2014-10-20 21:23:28
阅读次数：
326
