NC25043 [USACO 2007 Jan S]Protecting the Flowers 题目 题目描述 Farmer John went to cut some wood and left \(N (2 ≤ N ≤ 100,000)\) cows eating the grass, as usual. When he returned, he found to his horror that the cluster of cows was in his garden eating hi…
Description 约翰留下了 N 只奶牛呆在家里,自顾自地去干活了,这是非常失策的.他还在的时候,奶牛像 往常一样悠闲地在牧场里吃草.可是当他回来的时候,他看到了一幕惨剧:他的奶牛跑进了他的花园, 正在啃食他精心培育的花朵!约翰要立即采取行动,挨个把它们全部关回牛棚. 约翰牵走第 i 头奶牛需要 T i 分钟,因为要算来回时间,所以他实际需要 2 · T i 分钟.第 i 头奶牛 如果还在花园里逍遥,每分钟会啃食 Di 朵鲜花.但只要约翰抓住了它,开始牵走它的那刻开始,就 没法吃花了.请帮…
1634: [Usaco2007 Jan]Protecting the Flowers 护花 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 448 Solved: 276[Submit][Status] Description Farmer John went to cut some wood and left N (2 <= N <= 100,000) cows eating the grass, as usual. When he retur…
1634: [Usaco2007 Jan]Protecting the Flowers 护花 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 493 Solved: 310[Submit][Status] Description Farmer John went to cut some wood and left N (2 <= N <= 100,000) cows eating the grass, as usual. When he retur…
1634: [Usaco2007 Jan]Protecting the Flowers 护花 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 885 Solved: 575[Submit][Status][Discuss] Description Farmer John went to cut some wood and left N (2 <= N <= 100,000) cows eating the grass, as usual. When…
Protecting the Flowers Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 7812 Accepted: 3151 Description Farmer John went to cut some wood and left N (2 ≤ N ≤ 100,000) cows eating the grass, as usual. When he returned, he found to his ho…
