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基础-DP
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s ...
分类:其他好文   时间:2016-08-07 21:34:10    阅读次数:136
【POJ 3167】Cow Patterns (KMP+树状数组)
Cow Patterns Description A particular subgroup of K (1 <= K <= 25,000) of Farmer John's cows likes to make trouble. When placed in a line, these troub ...
分类:编程语言   时间:2016-08-07 15:30:20    阅读次数:580
POJ 3268 Silver Cow Party SPFA
POJ 3268 Silver Cow Party spfa。。 闲来无事水一发奶牛题睡觉好了。。马上就11好了【泪流满面 Description:n个点(1 <= n <= 1000),m条带权值(花费)有向边(1 <= m <= 1e5),给定一个目标点T,求点的价值最大值。 我们给每一个点的价 ...
分类:其他好文   时间:2016-08-07 00:57:03    阅读次数:200
Copy-On-Write容器
Copy-On-write简称COW,是一种用于程序设计中的优化策略。 JDK里的COW容器有两种:CopyOnWriteArrayList和CopyOnWriteArraySet,COW容器非常有用,可以在非常多的并发场景中使用到。 CopyOnWrite容器即写时复制的容器。通俗的理解是当我们往 ...
分类:其他好文   时间:2016-08-06 23:29:00    阅读次数:225
POJ - -3628 Bookshelf 2
题目链接:http://poj.org/problem?id=3628 题意: 解题思路: 1 确定可能的最大高度sum,就是所有的cow加起来的高度 2 根据动态规划法,求解1到最大高度sum之间的可能解 3 找到比B(书架高度)的最低高度,可能和B一致。 AC代码: ...
分类:其他好文   时间:2016-08-06 11:08:42    阅读次数:131
Subsequences Summing to Sevens
Subsequences Summing to Sevens 题目描述 Farmer John's N cows are standing in a row, as they have a tendency to do from time to time. Each cow is labeled w ...
分类:其他好文   时间:2016-08-06 00:19:21    阅读次数:189
Java并发(6):concurrent包中的Copy-On-Write容器
Copy-On-Write简称COW,是一种用于程序设计中的优化策略。其基本思路是,从一开始大家都在共享同一个内容,当某个人想要修改这个内容的时候,才会真正把内容Copy出去形成一个新的内容然后再改,这是一种延时懒惰策略。从JDK1.5开始Java并发包里提供了两个使用CopyOnWrite机制实现 ...
分类:编程语言   时间:2016-08-05 23:07:42    阅读次数:339
B--Bookshelf 2
Description Farmer John recently bought another bookshelf for the cow library, but the shelf is getting filled up quite quickly, and now the only avai ...
分类:其他好文   时间:2016-08-05 15:43:17    阅读次数:206
http://acm.hust.edu.cn/vjudge/contest/125771#problem/B 很水的01
Description Farmer John recently bought another bookshelf for the cow library, but the shelf is getting filled up quite quickly, and now the only avai ...
分类:Web程序   时间:2016-08-04 21:09:30    阅读次数:200
Bookshelf 2(poj 3628)
Description Farmer John recently bought another bookshelf for the cow library, but the shelf is getting filled up quite quickly, and now the only avai ...
分类:其他好文   时间:2016-08-04 10:14:39    阅读次数:145
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