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摘要: Asteroids Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 24203 Accepted: 13112 Description Bessie wants to navigate her spaceship through 阅读全文
posted @ 2017-12-27 18:16 zbtrs 阅读(126) 评论(0) 推荐(0) 编辑
摘要: Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 79977 Accepted: 31112 Description Every time it rains on Farmer John's fie 阅读全文
posted @ 2017-12-27 16:53 zbtrs 阅读(271) 评论(0) 推荐(0) 编辑
摘要: Triangle Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 9992 Accepted: 3001 Description Given n distinct points on a plane, your task is t 阅读全文
posted @ 2017-12-27 15:55 zbtrs 阅读(173) 评论(0) 推荐(0) 编辑
摘要: 1185: [HNOI2007]最小矩形覆盖 Description 分析:有一个比较显然的结论:最小的矩形一定有一条边在凸包上.利用旋转卡壳求出对应边的最远点.这两个是比较容易做到的,有点难的是如何求另外两边的最远点. 另外两个点的位置显然是单峰函数,可以利用旋转卡壳的思想.关键就是如何以当前凸包 阅读全文
posted @ 2017-12-27 14:55 zbtrs 阅读(237) 评论(0) 推荐(0) 编辑
摘要: 1043: [HAOI2008]下落的圆盘 Description 有n个圆盘从天而降,后面落下的可以盖住前面的。求最后形成的封闭区域的周长。看下面这副图, 所有的红色线条的总长度即为所求. 有n个圆盘从天而降,后面落下的可以盖住前面的。求最后形成的封闭区域的周长。看下面这副图, 所有的红色线条的总 阅读全文
posted @ 2017-12-26 20:50 zbtrs 阅读(197) 评论(0) 推荐(0) 编辑
摘要: Grandpa's Estate Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14553 Accepted: 4070 Description Being the only living descendant of his g 阅读全文
posted @ 2017-12-26 14:34 zbtrs 阅读(223) 评论(0) 推荐(0) 编辑
摘要: Beauty Contest Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 39574 Accepted: 12275 Description Bessie, Farmer John's prize cow, has just 阅读全文
posted @ 2017-12-25 23:42 zbtrs 阅读(175) 评论(0) 推荐(0) 编辑
摘要: Cows Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10039 Accepted: 4408 Description Your friend to the south is interested in building fe 阅读全文
posted @ 2017-12-25 22:01 zbtrs 阅读(152) 评论(0) 推荐(0) 编辑
摘要: Pipe Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 11421 Accepted: 3567 Description The GX Light Pipeline Company started to prepare bent 阅读全文
posted @ 2017-12-24 23:49 zbtrs 阅读(180) 评论(0) 推荐(0) 编辑
摘要: Segments Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15967 Accepted: 5063 Description Given n segments in the two dimensional space, wr 阅读全文
posted @ 2017-12-24 15:58 zbtrs 阅读(164) 评论(0) 推荐(0) 编辑
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