摘要：1635: [Usaco2007 Jan]Tallest Cow 最高的牛 Description FJ's N (1 <= N <= 10,000) cows conveniently indexed 1..N are standing in a line. Each cow has a posi 阅读全文

摘要：1651: [Usaco2006 Feb]Stall Reservations 专用牛棚 Description Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked 阅读全文