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[USACO08MAR]跨河River Crossing dp
题目描述 Farmer John is herding his N cows (1 <= N <= 2,500) across the expanses of his farm when he finds himself blocked by a river. A single raft is av ...
分类:其他好文   时间:2018-11-20 00:09:57    阅读次数:187
POJ-2387-Til the Cows Come Home(最短路)
Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning ...
分类:其他好文   时间:2018-11-18 14:59:31    阅读次数:137
POJ2112:Optimal Milking(Floyd+二分图多重匹配+二分)
Optimal Milking Description: FJ has moved his K (1 <= K <= 30) milking machines out into the cow pastures among the C (1 <= C <= 200) cows. A set of p ...
分类:其他好文   时间:2018-11-15 19:50:21    阅读次数:227
linux操作系统的目录以及用户权权限的管理
linux操作系统的目录以及对目录的操作 一: linux操作系统的目录结构 bin #可执行程序的安装目录 , 命令 boot #系统启动引导目录 dev #设备目录 etc #软件配置文件目录 home #用户的家目录 lib #系统软件库的存放目录 lost-found #当系统出现故障 ,断 ...
分类:系统相关   时间:2018-11-13 23:06:53    阅读次数:250
POJ2182:Lost Cows
浅谈线段树和树状数组: "https://www.cnblogs.com/AKMer/p/9946944.html" 题目传送门: "http://poj.org/problem?id=2182" 线段树,倒着确定每一个数字。因为最后一个是唯一的,得知最后一个是什么之后倒数第二个就是唯一的了。每次询 ...
分类:其他好文   时间:2018-11-12 21:20:49    阅读次数:245
HDU 5950 - Recursive sequence - [矩阵快速幂加速递推][2016ACM/ICPC亚洲区沈阳站 Problem C]
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5950 Farmer John likes to play mathematics games with his N cows. Recently, they are attracted by recur ...
分类:其他好文   时间:2018-11-12 13:22:51    阅读次数:197
Lost connection to MySQL server at 'reading initial communication packet',system error:0
如果网上各种文档告诉你去配置/etc/my.cnf,你没找到的话,不防试试我这个,文件的位置在: 去里面找找看 注释掉bind-address ...
分类:数据库   时间:2018-11-06 17:43:40    阅读次数:267
[USACO11DEC]Umbrellas for Cows
嘟嘟嘟 我dp真是太弱了,这么简单dp都不会。 令dp[i]表示前 i 头牛头被遮住了的最低成本。则dp[i] = min{dp[i], dp[j - 1] + c[a[i] - a[j] + 1]} (1 <= j <= i) 然后别忘了预处理后缀最小值。 1 #include<cstdio> 2 ...
分类:其他好文   时间:2018-11-05 19:07:54    阅读次数:151
【bzoj1731】Layout 排队布局
1731: [Usaco2005 dec]Layout 排队布局 Description Like everyone else, cows like to stand close to their friends when queuing for feed. FJ has N (2 <= N <= ...
分类:其他好文   时间:2018-11-05 00:39:46    阅读次数:183
rsync服务配置
第一步:修改配置文件[root@host253~]#vim/etc/rsyncd.confuid=nobodygid=nobodyusechroot=yesmaxconnections=4pidfile=/var/run/rsyncd.pidexclude=lost+found/transferlogging=yestimeout=900ignorenonreadable=yesdontcompr
分类:其他好文   时间:2018-11-04 21:51:06    阅读次数:219
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