摘要：
bzoj4580: [Usaco2016 Open]248 Description Bessie likes downloading games to play on her cell phone, even though she does find the small touch screen r 阅读全文
摘要：
bzoj4579: [Usaco2016 Open]Closing the Farm Description Farmer John and his cows are planning to leave town for a long vacation, and so FJ wants to tem 阅读全文
摘要：
bzoj4525: [Usaco2016 Jan]Angry Cows Description 奶牛Bessie设计了一个游戏：“愤怒的奶牛”。游戏的原型是：有一些可爆炸的草堆分布在一条数轴的某些坐标上，玩家用弹弓把一头奶牛发射到数轴上。奶牛砸到数轴上的冲击波会引发附近的草堆爆炸。游戏的目标是玩家用 阅读全文
摘要：
bzoj4512: [Usaco2016 Jan] Build Gates Description Farmer John decides to build a new fence around parts of his farm, but he keeps getting distracted a 阅读全文
摘要：
bzoj4578: [Usaco2016 OPen]Splitting the Field Description Farmer John's N cows (3≤N≤50,000) are all located at distinct positions in his two-dimension 阅读全文
摘要：
bzoj4510: [Usaco2016 Jan]Radio Contact Description Farmer John has lost his favorite cow bell, and Bessie the cow has agreed to help him find it! They 阅读全文