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poj 3517 And Then There Was One(约瑟夫环问题)
http://poj.org/problem?id=3517 讲解 n个人,编号为1~n,每次数到m的人出圈,最后一个出圈的人的编号。 f[1] = 0; for(int i = 2; i <= n; i++) { f[i] = ( f[i-1] + m)%i; } printf("%d\n",f[n]+1); 这里第一次出圈的人的编号是m,然后...
分类:其他好文   时间:2014-08-08 21:31:06    阅读次数:281
OpenNebula 深入分析
-------------------OpenNebula 深入分析-------------------#容量清单 属性 描述 NAME 如果名字是空的,那么默认名字是:one- MEMORY 单位是Mb,是为虚拟机RAM分配的内存大小 CPU Percentage of CPU divi...
分类:其他好文   时间:2014-08-08 17:51:06    阅读次数:487
【菜鸟学Linux】gzip解压报错:gzip: stdin has more than one entry--rest ignored
lz Linux菜鸟一枚,今天想用gzip解压下压缩包,据说Linux默认不支持rar压缩,需要安装组件。so,lz我特意zip压缩了一个文件上传上去解压,记得之前测试的时候都ok的正常解压:tar -zxvf XXX.zip不知道今天啥情况。。难道是我之前重新搭建过环境的原因,用tar就报错。。然...
分类:系统相关   时间:2014-08-08 17:42:16    阅读次数:2058
HDU4925:Apple Tree
Problem Description I’ve bought an orchard and decide to plant some apple trees on it. The orchard seems like an N * M two-dimensional map. In each grid, I can either plant an apple tree to get one...
分类:移动开发   时间:2014-08-08 16:13:06    阅读次数:281
POJ - 2442 Sequence
Description Given m sequences, each contains n non-negative integer. Now we may select one number from each sequence to form a sequence with m integers. It's clear that we may get n ^ m this kind o...
分类:其他好文   时间:2014-08-08 16:10:06    阅读次数:236
hibernate one-to-many many-to-one 双向注解
建表语句:DROP TABLE IF EXISTS `t_company`;CREATE TABLE `t_company` ( `companyId` int(10) unsigned NOT NULL AUTO_INCREMENT, `companyName` varchar(30) NOT.....
分类:系统相关   时间:2014-08-08 15:21:56    阅读次数:332
poj 1827 A Bunch Of Monsters 贪心(并查集优化)
Description Background  Jim is a brave explorer. One day, he set out for his next destination, a mysterious hill. When he arrived at the foot of the hill, he was told that there were a bunch of mons...
分类:其他好文   时间:2014-08-08 12:52:35    阅读次数:314
E - IMMEDIATE DECODABILITY
Description An encoding of a set of symbols is said to be immediately decodable if no code for one symbol is the prefix of a code for another symbol. We will assume for this problem that all ...
分类:其他好文   时间:2014-08-08 12:52:26    阅读次数:267
use python get information from one page
1 #!/usr/bin/python 2 3 read = file('thread-1554-1-1.html','r') 4 wr = file('list','w') 5 6 while 1: 7 line=read.readline() 8 if 'href' in ...
分类:编程语言   时间:2014-08-08 12:27:06    阅读次数:629
Needle in a haystack: efficient storage of billions of photos 【转】
转自09年的blog,因为facebook在国内无法访问,故此摘录。The Photos application is one of Facebook’s most popular features. Up to date, users have uploaded over 15 billion p...
分类:其他好文   时间:2014-08-08 12:26:55    阅读次数:374
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