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奶牛家谱 Cow Pedigrees
令人窒息的奶牛题 题目描述 农民约翰准备购买一群新奶牛。 在这个新的奶牛群中, 每一个母亲奶牛都生两个小奶牛。这些奶牛间的关系可以用二叉树来表示。这些二叉树总共有N个节点(3 <= N < 200)。这些二叉树有如下性质: 每一个节点的度是0或2。度是这个节点的孩子的数目。 树的高度等于K(1 < ...
分类:其他好文   时间:2018-03-30 10:17:44    阅读次数:149
Silver Cow Party
One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤X ≤ N). A total ...
分类:其他好文   时间:2018-03-22 01:45:34    阅读次数:178
洛谷 P2888 [USACO07NOV]牛栏Cow Hurdles
洛谷 P2888 [USACO07NOV]牛栏Cow Hurdles 题目描述 Farmer John wants the cows to prepare for the county jumping competition, so Bessie and the gang are practicin ...
分类:其他好文   时间:2018-03-17 12:22:42    阅读次数:174
php加密 php_screw
操作环境:centos 7.x 参考:http://blog.csdn.net/water_cow/article/details/41872091 1、下载php_screw,并解压 下载地址:http://sourceforge.net/projects/php-screw/ 解压命令:tar ...
分类:Web程序   时间:2018-03-14 18:08:13    阅读次数:463
poj3279(dfs+二进制枚举思路)
题意转载自https://www.cnblogs.com/blumia/p/poj3279.html 题目属性:DFS相关题目:poj3276题目原文:【desc】Farmer John knows that an intellectually satisfied cow is a happy co ...
分类:其他好文   时间:2018-03-10 13:56:16    阅读次数:239
poj2018——Best Cow Fences
Description Farmer John's farm consists of a long row of N (1 <= N <= 100,000)fields. Each field contains a certain number of cows, 1 <= ncows <= 2000 ...
分类:其他好文   时间:2018-03-06 21:54:15    阅读次数:258
USACO 2007 NOV Sunscreen
题目 题目描述 To avoid unsightly burns while tanning, each of the C (1 ≤ C ≤ 2500) cows must cover her hide with sunscreen when they're at the beach. Cow i ...
分类:其他好文   时间:2018-03-04 14:37:41    阅读次数:130
【题解】Luogu P2875 [USACO07FEB]牛的词汇The Cow Lexicon
题目描述 Few know that the cows have their own dictionary with W (1 ≤ W ≤ 600) words, each containing no more 25 of the characters ‘a’..’z’. Their cowmuni ...
分类:其他好文   时间:2018-03-03 15:31:31    阅读次数:170
我对CopyOnWrite的思考
CopyOnWrite 后文中表述为 COW CopyOnWrite容器即写的时候复制一个新的容器进行写:通俗的理解是当我们往一个容器添加元素的时候,不直接往当前容器添加,而是先将当前容器进行Copy,复制出一个新的容器,然后在新的容器里添加元素,添加完元素之后,再将原容器的引用指向新的容器。 为什 ...
分类:其他好文   时间:2018-02-27 01:19:54    阅读次数:118
洛谷P2906 [USACO08OPEN]牛的街区Cow Neighborhoods
洛谷P2906 [USACO08OPEN]牛的街区Cow Neighborhoods 曼哈顿距离转切比雪夫距离 ...
分类:其他好文   时间:2018-02-24 13:20:19    阅读次数:158
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