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POJ 3663 Costume Party (二分查找)
Description It's Halloween! Farmer John is taking the cows to a costume party, but unfortunately he only has one costume. The costume fits precisely two cows with a length of S (1 ≤ S ≤ 1,000,000)....
分类:其他好文   时间:2015-04-09 21:56:32    阅读次数:141
POJ 3627 Bookshelf (贪心)
Description Farmer John recently bought a bookshelf for cow library, but the shelf is getting filled up quite quickly, and now the only available space is at the top. Each of the N cows (1 ≤ N ≤ 20,...
分类:其他好文   时间:2015-04-09 21:54:52    阅读次数:153
1734: [Usaco2005 feb]Aggressive cows 愤怒的牛
1734: [Usaco2005 feb]Aggressive cows 愤怒的牛Time Limit:5 SecMemory Limit:64 MBSubmit:217Solved:175[Submit][Status][Discuss]DescriptionFarmer John has bui...
分类:其他好文   时间:2015-04-09 17:15:47    阅读次数:124
POJ 题目Backward Digit Sums(next_permutation)
Backward Digit Sums Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 4807   Accepted: 2772 Description FJ and his cows enjoy playing a mental game. They write...
分类:其他好文   时间:2015-04-07 10:07:10    阅读次数:118
G - Balanced Lineup POJ 3264 (线段树+区间查询无更新)
G - Balanced Lineup Time Limit:5000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3264 Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000...
分类:其他好文   时间:2015-04-07 10:05:56    阅读次数:139
POJ 2182 Lost Cows (树状数组)
Lost CowsTime Limit:1000MSMemory Limit:65536KTotal Submissions:9660Accepted:6219DescriptionN (2 2 # include 3 # include 4 # include 5 # include 6 # i....
分类:编程语言   时间:2015-04-07 01:57:33    阅读次数:204
POJ 2481 COWS(树状数组)
题目大意: 说给你n个线段的,告诉你每个线段的起始点S_i,和终止点E_i, 问这n条线段里有多少线段是相互包含的,如果两个端点重合不算包含。解题思路: 用树状数组搞就可以了,这道题是star的变形题,star是让我们求出有多个星星在这个星星的左下角,而这道题是让我们求出有多少个星星在这个星星的.....
分类:编程语言   时间:2015-04-06 21:44:29    阅读次数:192
hdu 4292 网络最大流
http://acm.hdu.edu.cn/showproblem.php?pid=4292 Problem Description   You, a part-time dining service worker in your college’s dining hall, are now confused with a new problem: serve as many pe...
分类:其他好文   时间:2015-04-06 17:23:00    阅读次数:168
POJ 题目2392 Space Elevator(多重背包)
Space Elevator Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9042   Accepted: 4296 Description The cows are going to space! They plan to achieve orbit by b...
分类:其他好文   时间:2015-04-06 08:57:23    阅读次数:147
【贪心专题】POJ 2456 Aggressive cows && NYOJ 586 疯牛(最大化最小值 贪心+二分搜索)
链接: click here~~ 题意:农夫 John 建造了一座很长的畜栏,它包括N (2 但是,John的C (2 【解题思路】其实就是给你n个坐标,让你选m个(m 类似的最大化最小值或者最小化最大值的问题,通常用二分搜索法可以很好解决,我们定义:C(d)=可以安排的牛的位置使得最近的两头牛的距离不小于d,那么问题就变成了求满足C(d)的最大的d,其实也就是说,C(d)=可...
分类:其他好文   时间:2015-04-05 23:39:53    阅读次数:383
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