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POJ 3258 River Hopscotch(二分答案)
River Hopscotch Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 21939 Accepted: 9081 Description Every year the cows hold an event featurin ...
分类:其他好文   时间:2019-01-23 23:28:58    阅读次数:322
P3144 [USACO16OPEN]关闭农场Closing the Farm_Silver(并查集反向)
题目描述 Farmer John and his cows are planning to leave town for a long vacation, and so FJ wants to temporarily close down his farm to save money in the ...
分类:其他好文   时间:2019-01-19 11:27:42    阅读次数:184
P3088 [USACO13NOV]挤奶牛Crowded Cows(单调队列)
题目描述 Farmer John has N cows that need to be milked (1 <= N <= 10,000), each of which takes only one unit of time to milk. Being impatient animals, som ...
分类:其他好文   时间:2019-01-17 21:17:25    阅读次数:147
[USACO07MAR]黄金阵容均衡Gold Balanced L… map
题目描述 Farmer John's N cows (1 ≤ N ≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by his cows ...
分类:其他好文   时间:2019-01-14 16:33:12    阅读次数:205
[USACO09OCT]热浪Heat Wave Dijkstra
题目描述 The good folks in Texas are having a heatwave this summer. Their Texas Longhorn cows make for good eating but are not so adept at creating creamy ...
分类:其他好文   时间:2019-01-14 14:52:50    阅读次数:185
【模板】二维凸包 / [USACO5.1]圈奶牛Fencing the Cows
Problem surface "戳我" Meaning 坐标系内有若干个点,问把这些点都圈起来的最小凸包周长。 这道题就是一道凸包的模板题啊,只要求出凸包后在计算就好了,给出几个注意点 1. 记得检查是否有吧改开double的 2. 最后统计答案的时候记得将最后一个点和第一个点连起来 差不多了,打 ...
分类:其他好文   时间:2019-01-08 12:18:41    阅读次数:153
P3047 [USACO12FEB]附近的牛Nearby Cows
我呦呦呦又回来啦! 再来发一篇树形dp~ 昨晚看的这道题,想了好久也不会(然后我就去睡觉了),今天突然明白是怎么回事了,一次A!(好感动) 简单分析一下,首先如果你想拿部分分,那是超级简单的,每一个点都dfs一遍咯,说实话真没啥技术含量。 考虑:假设我已经知道了一个点分别到它周围从1~k的距离的牛的 ...
分类:其他好文   时间:2019-01-04 01:13:02    阅读次数:149
Stall Reservations POJ - 3190(贪心)
Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 1,0 ...
分类:其他好文   时间:2018-12-29 13:33:58    阅读次数:457
Sunscreen POJ - 3614(贪心)
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 has a mi ...
分类:其他好文   时间:2018-12-28 20:41:13    阅读次数:340
Best Cow Fences POJ - 2018
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. FJ wants t ...
分类:其他好文   时间:2018-12-22 16:46:50    阅读次数:205
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