http://poj.org/problem?id=3348 题目大意：用已给出的点围出面积最大的凸包，输出面积/50（向下取整） —————————————————————————— 第一道凸包？以及不知道第几次的奶牛题…… 显然裸题，切了。 （那博文的意义何在？） （呃……方便以后抄板子？） ...
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其他好文 时间：
2017-12-22 22:54:18
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181
[Usaco2007 Mar]Gold Balanced Lineup 平衡的队列 Description Farmer John's N cows (1 <= N <= 100,000) share many similarities. In fact, FJ has been able to n ...
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2017-12-19 19:54:10
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253
Hotel The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a vacation on the sunny shores of Lake Superior. Be ...
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2017-12-14 00:00:42
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226
题目: 给几个点,用绳子圈出最大的面积养牛,输出最大面积/50 题解: Graham凸包算法的模板题 下面给出做法 1.选出x坐标最小(相同情况y最小)的点作为极点(显然他一定在凸包上) 2.其他点进行极角排序<极角指从坐标轴的某一方向逆时针旋转到向量的角度>, 极角一样按距离从近到远(可以用叉积实 ...
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2017-12-13 11:26:34
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180
P2952 [USACO09OPEN]牛线Cow Line 题目描述 Farmer John's N cows (conveniently numbered 1..N) are forming a line. The line begins with no cows and then, as tim ...
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2017-12-03 22:50:57
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211
Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing backward, th ...
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其他好文 时间：
2017-12-03 18:57:51
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149
Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors ...
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其他好文 时间：
2017-11-28 13:30:17
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192
题目描述 In an effort to better manage the grazing patterns of his cows, Farmer John has installed one-way cow paths all over his farm. The farm consists ...
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其他好文 时间：
2017-11-26 15:52:32
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172
P3119 [USACO15JAN]草鉴定Grass Cownoisseur 题目描述 In an effort to better manage the grazing patterns of his cows, Farmer John has installed one-way cow path ...
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2017-11-26 11:14:57
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163
P3056 [USACO12NOV]笨牛Clumsy Cows 题目描述 Bessie the cow is trying to type a balanced string of parentheses into her new laptop, but she is sufficiently cl ...
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其他好文 时间：
2017-11-24 22:50:17
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166
