摘要: 1783: [Usaco2010 Jan]Taking Turns Description Farmer John has invented a new way of feeding his cows. He lays out N (1 <= N <= 700,000) hay bales conv 阅读全文
posted @ 2016-07-03 20:55 lwq12138 阅读(325) 评论(0) 推荐(0) 编辑
摘要: 4506: [Usaco2016 Jan]Fort Moo Description Bessie is building a fort with her friend Elsie. Like any good fort, this one needs to start with a sturdy f 阅读全文
posted @ 2016-07-03 12:06 lwq12138 阅读(411) 评论(0) 推荐(0) 编辑