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洛谷 P2986 [USACO10MAR]Great Cow Gat…(树形dp+容斥原理)
P2986 [USACO10MAR]伟大的奶牛聚集Great Cow Gat… 题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she wou ...
分类:其他好文   时间:2017-07-17 20:09:23    阅读次数:191
POJ 1985 Cow Marathon(树的直径)
Cow Marathon Time Limit: 2000MS Memory Limit: 30000K Total Submissions: 5357 Accepted: 2630 Case Time Limit: 1000MS Description After hearing about th ...
分类:其他好文   时间:2017-07-17 20:06:18    阅读次数:188
HDU 2602 Bone Collector (01背包问题)
原题代号:HDU 2602 原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=2602 原题描述: Problem Description Many years ago , in Teddy’s hometown there was a man who w ...
分类:其他好文   时间:2017-07-16 19:26:13    阅读次数:164
POJ 3617 Best Cow Line (贪心)
题意: 给定长度为N的字符串S,要构造一个长度为N的字符串T。起初T是一个空串,随后反复进行下列任意操作 1.从字符串S头部删除一个字符,加到T的尾部 2.从字符串S尾部删除一个字符,加到T的尾部 目的是,构造字典序尽可能小的字符串T 思路:简单贪心,比较当前字符串S首尾字符的大小,选取小的加入T, ...
分类:其他好文   时间:2017-07-16 00:03:55    阅读次数:110
[poj] Catch That Cow--bfs
Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00 ...
分类:其他好文   时间:2017-07-15 12:44:14    阅读次数:152
python 使用记录
1. python 加载 caffe mean.binaryproto 2. python 加载caffe 图片输入 3. python opencv 4. python Matplotlib ...
分类:编程语言   时间:2017-07-14 13:26:59    阅读次数:188
【bzoj1604】[Usaco2008 Open]Cow Neighborhoods 奶牛的邻居 并查集+Treap/STL-set
题目描述 了解奶牛们的人都知道,奶牛喜欢成群结队.观察约翰的N(1≤N≤100000)只奶牛,你会发现她们已经结成了几个“群”.每只奶牛在吃草的时候有一个独一无二的位置坐标Xi,Yi(l≤Xi,Yi≤[1..10^9];Xi,Yi∈整数.当满足下列两个条件之一,两只奶牛i和j是属于同一个群的: 1. ...
分类:其他好文   时间:2017-07-11 09:32:57    阅读次数:210
POJ-3278 Catch That Cow
Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00 ...
分类:其他好文   时间:2017-07-10 18:05:01    阅读次数:215
洛谷 P2879 [USACO07JAN]区间统计Tallest Cow 题解
此文为博主原创题解,转载时请通知博主,并把原文链接放在正文醒目位置。 题目链接:https://www.luogu.org/problem/show?pid=2879 题目描述 FJ's N (1 ≤ N ≤ 10,000) cows conveniently indexed 1..N are st ...
分类:其他好文   时间:2017-07-09 10:43:07    阅读次数:278
POJ-3268-最短路(dijkstra算法)
Silver Cow Party Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 12494 Accepted: 5568 Description One cow from each of N farms (1 ≤ N ≤ 100 ...
分类:编程语言   时间:2017-07-08 21:03:31    阅读次数:270
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