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HLJU14级寒假集训之最短路专场
下面是今天的题解链接,感觉写的还是很详细的,有什么问题可以找我,大家一起探讨~~~ A - MPI Maelstrom: 题解链接:MPI Maelstrom B - Cow Hurdles: 题解链接:Cow Hurdles C - Wormholes: 题解链接:Wormholes D - Frogger: 题解链接:Frogger...
分类:其他好文   时间:2015-01-18 21:08:40    阅读次数:145
(简单) POJ 1278 Catch That Cow,回溯。
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...
分类:其他好文   时间:2015-01-16 12:57:44    阅读次数:118
(简单) POJ 3279 Fliptile,集合枚举。
Description Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for co...
分类:其他好文   时间:2015-01-16 12:50:45    阅读次数:183
POJ 3615 Cow Hurdles (Floyd算法)
Cow Hurdles Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6142   Accepted: 2752 Description Farmer John wants the cows to prepare for the county jumpin...
分类:编程语言   时间:2015-01-15 00:30:35    阅读次数:247
poj 3279 Fliptile(二进制暴力)
Fliptile Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 3629   Accepted: 1400 Description Farmer John knows that an intellectually satisfied cow is a happy ...
分类:其他好文   时间:2015-01-05 18:52:25    阅读次数:133
POJ3181 Dollar Dayz 【母函数】+【高精度】
Dollar Dayz Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 4204   Accepted: 1635 Description Farmer John goes to Dollar Days at The Cow Store and discover...
分类:其他好文   时间:2015-01-05 15:04:20    阅读次数:216
poj 3278 Catch That Cow(bfs)
Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 49503   Accepted: 15506 Description Farmer John has been informed of the location of a fugitiv...
分类:其他好文   时间:2015-01-02 17:35:10    阅读次数:176
【USACO 2008 Open Gold】 3.Cow Neighborhoods 平衡树、并查集
题解: 首先曼哈顿距离有些不好维护,但是它可以转化: 一个点本来的坐标是(x,y),那么可以转化成(x+y,x-y) 这样就人为构造出一种性质:1、2两点曼哈顿距离=max(|x1-x2|,|y1-y2|); 这样我们就可以排序单调搞掉一维,然后另一维只需要求前驱后继到该点的距离 满足则加并查集。 这个过程可以用权值线段树,也可以用平衡树。但是权值线段树还需要离散化,反...
分类:其他好文   时间:2015-01-02 12:21:22    阅读次数:204
【POJ3666】【USACO 2008 Feb Gold】 2.Cow Game 动规
除草,水题,勿看。...
分类:其他好文   时间:2014-12-30 23:43:37    阅读次数:209
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