Single Number I
问题描述：
Given an array of integers, every element appears twice except for one. Find that single one.
解题思路：
既然除了某个元素出现一次外，其他所有元素都出现两次，那么可以异或数组的所有元素，得到的结果就是我们所要找的那个元素的值。
class Solu...
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其他好文 时间：
2014-07-30 12:19:53
阅读次数：
184
场景,两个不同服务器上的数据库,进行数据库同步 但是执行之后,提示报错 错误代码： 1293 Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or...
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其他好文 时间：
2014-07-30 12:05:23
阅读次数：
280
Nick's company employed n people. Now Nick needs to build a tree hierarchy of «supervisor-surbodinate» relations in the company (this is to say that each
employee, except one, has exactly one superv...
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其他好文 时间：
2014-07-30 10:06:53
阅读次数：
286
题目： Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1...
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编程语言 时间：
2014-07-30 05:34:43
阅读次数：
319
题目：Say you have an array for which the ith element is the price of a given stock on day i.If you were only permitted to complete at most one transact....
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编程语言 时间：
2014-07-30 05:34:13
阅读次数：
248
Methods and apparatus to provide for power consumption reduction in memories (such as cache memories) are described. In one embodiment, a virtual tag ...
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其他好文 时间：
2014-07-30 03:13:53
阅读次数：
372
小米还没有大张旗鼓地汇报过“国际化”的成果，但如果它想获得国际社会的认可，这次的“假照片”危机显然是一个可以变成好事的坏事。在此之前，外媒从未如此关注一家中国手机公司。事情是这样的可能是世界上最著名的果粉、博客作者 John Gruber，相继转载或报道了小米4发布会的 one more thing...
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移动开发 时间：
2014-07-29 21:34:22
阅读次数：
427
题目：
Product
The Problem
The problem is to multiply two integers X, Y. (0250)
The Input
The input will consist of a set of pairs of lines. Each line in pair contains one mu...
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其他好文 时间：
2014-07-29 18:03:42
阅读次数：
283
Agri-Net
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 39499
Accepted: 16017
Description
Farmer John has been elected mayor of his town! One of his campa...
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Web程序 时间：
2014-07-29 17:57:12
阅读次数：
307
cigarettes
时间限制：3000 ms | 内存限制：65535 KB
难度：2
描述
Tom has many cigarettes. We hypothesized that he has n cigarettes and smokes them
one by one keeping all the butts. Out of k > 1 butts h...
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其他好文 时间：
2014-07-29 17:49:12
阅读次数：
158
