【题目】
Your boss has just unearthed a roll of old computer tapes. The tapes have holes in them and might contain some sort of useful information. It falls to you to figure out what is written on them...
分类:
其他好文 时间:
2014-05-02 23:35:16
阅读次数:
526
这就是数论坑的地方了把,有些题目真心偏到你无法想象,需要用到多项式欧几里德求多项式的最大公共多项式
题意:给你n个多项式,问他们有没有共同的根
先分析把,假设有多项式a,b,同时又有多项式k,r,令 a = k*b +r,应题目要求,令解为0,那么a = 0,同时b也要等于0,那么这时候要满足a=b=0 其实 r = 0,这时候就不需要去管k了,有没有发现跟那个扩展欧几里德有点相似的方程,这时...
分类:
其他好文 时间:
2014-05-02 21:46:47
阅读次数:
419
重操旧业,再温Java,写了个大整数相乘先回顾回顾基本知识。算法、效率什么的都没怎么考虑,就纯粹实现功能而已。先上代码: 1 package
com.tacyeh.common; 2 3 public class MyMath { 4 5 public static String Big...
分类:
编程语言 时间:
2014-05-02 13:02:39
阅读次数:
396
Background:
It's fairly common for businesses to want to provide some high availability for their SQL Server databases, and one option is to have two SQL Server databases on separate machines with a SQL Server database mirrored....
分类:
数据库 时间:
2014-04-30 22:11:38
阅读次数:
520
Our chemical biologists have invented a new very useful form of life called stripies (in fact, they were first called in Russian - polosatiki, but the scientists had to invent an English
name to app...
分类:
其他好文 时间:
2014-04-29 13:45:22
阅读次数:
309
Pat1063代码
题目描述:
Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the two sets,
and Nt is the to...
分类:
其他好文 时间:
2014-04-29 13:44:20
阅读次数:
325
We sometimes got memory leak problem, and we need to find the leaked memory, Here is a useful tool from MS, UMDH, it is included in WinDBG install package.
Here is a introduction on how to UMDH to identify memory leak problems...
分类:
其他好文 时间:
2014-04-29 13:38:21
阅读次数:
374
为了帮忙许多读者朋友尽快实现他们的专业网络设备工程师之梦,笔者前几年投入了全部的精力编写了国内最全面、最系统的网络设备配置与管理丛书,囊括了华为、Cisco和H3C三大主流品牌。现在,为了进一步帮忙读者朋友更好地学习这几本著作,笔者又打算投入几年的时间录制配置的视频课程。当然,这里的视频课程不是图书内容的简单再现,而是图书内容的升华和提高,因为在视频中采用全实战模式,结合各品牌设备模拟器进行实验讲解。是国内最全面、最系统,也是唯一一套全实战模式的大型视频课程系列!...
分类:
其他好文 时间:
2014-04-27 21:46:00
阅读次数:
397