题号标题Solved
1653[Usaco2006 Feb]Backward Digit Sums省选0
1654[Usaco2006 Jan]The Cow Prom 奶牛舞会省选1
1655[Usaco2006 Jan] Dollar Dayz 奶牛商店省选0
1656[Usaco2006 Jan] The Grove 树木省选0
1657[Usaco2006 Mar]Mooo 奶牛的歌声省选0
1658[Usaco2006 Mar]Water Slides 滑水省选0
1659[Usaco2006 Mar]Lights Out 关灯省选0
1660[Usaco2006 Nov]Bad Hair Day 乱发节省选1
1661[Usaco2006 Nov]Big Square 巨大正方形省选0
1662[Usaco2006 Nov]Round Numbers 圆环数省选2
1663[Usaco2006 Open]赶集省选0
1664[Usaco2006 Open]County Fair Events 参加节日庆祝省选0
1665[Usaco2006 Open]The Climbing Wall 攀岩省选0
1666[Usaco2006 Oct]Another Cow Number Game 奶牛的数字游戏省选3
1667[Usaco2006 Oct]Cows on Skates滑旱冰的奶牛省选0
1668[Usaco2006 Oct]Cow Pie Treasures 馅饼里的财富省选0
1669[Usaco2006 Oct]Hungry Cows饥饿的奶牛 省选0
1670[Usaco2006 Oct]Building the Moat护城河的挖掘省选0
1671[Usaco2005 Dec]Knights of Ni 骑士省选2
1672[Usaco2005 Dec]Cleaning Shifts 清理牛棚省选0
1673[Usaco2005 Dec]Scales 天平省选0
1674[Usaco2005]Part Acquisition省选0
1675[Usaco2005 Feb]Rigging the Bovine Election 竞选划区省选0
1676[Usaco2005 Feb]Feed Accounting 饲料计算省选0
1677[Usaco2005 Jan]Sumsets 求和省选0
1678[Usaco2005 Jan] Watchcow 巡逻省选0
1679[Usaco2005 Jan]Moo Volume 牛的呼声省选0
1680[Usaco2005 Mar]Yogurt factory省选1
1681[Usaco2005 Mar]Checking an Alibi 不在场的证明省选0
1682[Usaco2005 Mar]Out of Hay 干草危机省选0
1683[Usaco2005 Nov]City skyline 城市地平线省选0
1684[Usaco2005 Oct]Close Encounter省选0
1685[Usaco2005 Oct]Allowance 津贴省选0
1686[Usaco2005 Open]Waves 波纹省选0
1687[Usaco2005 Open]Navigating the City 城市交通省选0
1688[Usaco2005 Open]Disease Manangement 疾病管理省选0
1689[Usaco2005 Open] Muddy roads 泥泞的路省选0
1690[Usaco2007 Dec]奶牛的旅行省选0
1691[Usaco2007 Dec]挑剔的美食家省选0
1692[Usaco2007 Dec]队列变换省选0
1693[Usaco2007 Demo]Asteroids省选0
1694[Usaco2007 Demo]Grazing on the Run省选0
1695[Usaco2007 Demo]Walk the Talk省选0
1696[Usaco2007 Feb]Building A New Barn新牛舍省选0
1697[Usaco2007 Feb]Cow Sorting牛排序省选0
1698[Usaco2007 Feb]Lilypad Pond 荷叶池塘省选0
1699[Usaco2007 Jan]Balanced Lineup排队省选2
1700[Usaco2007 Jan]Problem Solving 解题省选1
1701[Usaco2007 Jan]Cow School牛学校省选0
1702[Usaco2007 Mar]Gold Balanced Lineup 平衡的队列省选0