| #1600 | [Usaco2008 Oct]建造栅栏 | |
| #1601 | [Usaco2008 Oct]灌水 | |
| #1602 | [Usaco2008 Oct]牧场行走 | |
| #1603 | [Usaco2008 Oct]打谷机 | |
| #1604 | [Usaco2008 Open]Cow Neighborhoods 奶牛的邻居 | |
| #1605 | [Usaco2008 Open]Crisis on the Farm 牧场危机 | |
| #1606 | [Usaco2008 Dec]Hay For Sale 购买干草 | |
| #1607 | [Usaco2008 Dec]Patting Heads 轻拍牛头 | |
| #1608 | [Usaco2008 Dec]Jigsaw Puzzles 拼图 | |
| #1609 | [Usaco2008 Feb]Eating Together麻烦的聚餐 | |
| #1610 | [Usaco2008 Feb]Line连线游戏 | |
| #1611 | [Usaco2008 Feb]Meteor Shower流星雨 | |
| #1612 | [Usaco2008 Jan]Cow Contest奶牛的比赛 | |
| #1613 | [Usaco2008 Jan]Running贝茜的晨练计划 | |
| #1614 | [Usaco2007 Jan]Telephone Lines架设电话线 | |
| #1615 | [Usaco2008 Mar]The Loathesome Hay Baler麻烦的干草打包机 | |
| #1616 | [Usaco2008 Mar]Cow Travelling游荡的奶牛 | |
| #1617 | [Usaco2008 Mar]River Crossing渡河问题 | |
| #1618 | [Usaco2008 Nov]Buying Hay 购买干草 | |
| #1619 | [Usaco2008 Nov]Guarding the Farm 保卫牧场 | |
| #1620 | [Usaco2008 Nov]Time Management 时间管理 | |
| #1621 | [Usaco2008 Open]Roads Around The Farm分岔路口 | |
| #1622 | [Usaco2008 Open]Word Power 名字的能量 | |
| #1623 | [Usaco2008 Open]Cow Cars 奶牛飞车 | |
| #1624 | [Usaco2008 Open] Clear And Present Danger 寻宝之路 | |
| #1625 | [Usaco2007 Dec]宝石手镯 | |
| #1626 | [Usaco2007 Dec]Building Roads 修建道路 | |
| #1627 | [Usaco2007 Dec]穿越泥地 | |
| #1628 | [Usaco2007 Demo]City skyline | |
| #1629 | [Usaco2007 Demo]Cow Acrobats | |
| #1630 | [Usaco2007 Demo]Ant Counting | |
| #1631 | [Usaco2007 Feb]Cow Party | |
| #1632 | [Usaco2007 Feb]Lilypad Pond | |
| #1633 | [Usaco2007 Feb]The Cow Lexicon 牛的词典 | |
| #1634 | [Usaco2007 Jan]Protecting the Flowers 护花 | |
| #1635 | [Usaco2007 Jan]Tallest Cow 最高的牛 | |
| #1636 | [Usaco2007 Jan]Balanced Lineup | |
| #1637 | [Usaco2007 Mar]Balanced Lineup | |
| #1638 | [Usaco2007 Mar]Cow Traffic 奶牛交通 | |
| #1639 | [Usaco2007 Mar]Monthly Expense 月度开支 | |
| #1640 | [Usaco2007 Nov]Best Cow Line 队列变换 | |
| #1641 | [Usaco2007 Nov]Cow Hurdles 奶牛跨栏 | |
| #1642 | [Usaco2007 Nov]Milking Time 挤奶时间 | |
| #1643 | [Usaco2007 Oct]Bessie's Secret Pasture 贝茜的秘密草坪 | |
| #1644 | [Usaco2007 Oct]Obstacle Course 障碍训练课 | |
| #1645 | [Usaco2007 Open]City Horizon 城市地平线 | |
| #1646 | [Usaco2007 Open]Catch That Cow 抓住那只牛 | |
| #1647 | [Usaco2007 Open]Fliptile 翻格子游戏 | |
| #1648 | [Usaco2006 Dec]Cow Picnic 奶牛野餐 | |
| #1649 | [Usaco2006 Dec]Cow Roller Coaster | |
| #1650 | [Usaco2006 Dec]River Hopscotch 跳石子 | |
| #1651 | [Usaco2006 Feb]Stall Reservations 专用牛棚 | |
| #1652 | [Usaco2006 Feb]Treats for the Cows | |
| #1653 | [Usaco2006 Feb]Backward Digit Sums | |
| #1654 | [Usaco2006 Jan]The Cow Prom 奶牛舞会 | |
| #1655 | [Usaco2006 Jan] Dollar Dayz 奶牛商店 | |
| #1656 | [Usaco2006 Jan] The Grove 树木 | |
| #1657 | [Usaco2006 Mar]Mooo 奶牛的歌声 | |
| #1658 | [Usaco2006 Mar]Water Slides 滑水 | |
| #1659 | [Usaco2006 Mar]Lights Out 关灯 | |
| #1660 | [Usaco2006 Nov]Bad Hair Day 乱发节 | |
| #1661 | [Usaco2006 Nov]Big Square 巨大正方形 | |
| #1662 | [Usaco2006 Nov]Round Numbers 圆环数 | |
| #1663 | [Usaco2006 Open]赶集 | |
| #1664 | [Usaco2006 Open]County Fair Events 参加节日庆祝 | |
| #1665 | [Usaco2006 Open]The Climbing Wall 攀岩 | |
| #1666 | [Usaco2006 Oct]Another Cow Number Game 奶牛的数字游戏 | |
| #1667 | [Usaco2006 Oct]Cows on Skates滑旱冰的奶牛 | |
| #1668 | [Usaco2006 Oct]Cow Pie Treasures 馅饼里的财富 | |
| #1669 | [Usaco2006 Oct]Hungry Cows饥饿的奶牛
| |
| #1670 | [Usaco2006 Oct]Building the Moat护城河的挖掘 | |
| #1671 | [Usaco2005 Dec]Knights of Ni 骑士 | |
| #1672 | [Usaco2005 Dec]Cleaning Shifts 清理牛棚 | |
| #1673 | [Usaco2005 Dec]Scales 天平 | |
| #1674 | [Usaco2005]Part Acquisition | |
| #1675 | [Usaco2005 Feb]Rigging the Bovine Election 竞选划区 | |
| #1676 | [Usaco2005 Feb]Feed Accounting 饲料计算 | |
| #1677 | [Usaco2005 Jan]Sumsets 求和 | |
| #1678 | [Usaco2005 Jan] Watchcow 巡逻 | |
| #1679 | [Usaco2005 Jan]Moo Volume 牛的呼声 | |
| #1680 | [Usaco2005 Mar]Yogurt factory | |
| #1681 | [Usaco2005 Mar]Checking an Alibi 不在场的证明 | |
| #1682 | [Usaco2005 Mar]Out of Hay 干草危机 | |
| #1683 | [Usaco2005 Nov]City skyline 城市地平线 | |
| #1684 | [Usaco2005 Oct]Close Encounter | |
| #1685 | [Usaco2005 Oct]Allowance 津贴 | |
| #1686 | [Usaco2005 Open]Waves 波纹 | |
| #1687 | [Usaco2005 Open]Navigating the City 城市交通 | |
| #1688 | [Usaco2005 Open]Disease Manangement 疾病管理 | |
| #1689 | [Usaco2005 Open] Muddy roads 泥泞的路 | |
| #1690 | [Usaco2007 Dec]奶牛的旅行 | |
| #1691 | [Usaco2007 Dec]挑剔的美食家 | |
| #1692 | [Usaco2007 Dec]队列变换 | |
| #1693 | [Usaco2007 Demo]Asteroids | |
| #1694 | [Usaco2007 Demo]Grazing on the Run | |
| #1695 | [Usaco2007 Demo]Walk the Talk | |
| #1696 | [Usaco2007 Feb]Building A New Barn新牛舍 | |
| #1697 | [Usaco2007 Feb]Cow Sorting牛排序 | |
| #1698 | [Usaco2007 Feb]Lilypad Pond 荷叶池塘 | |
| #1699 | [Usaco2007 Jan]Balanced Lineup排队 | |
黑暗爆炸OJ
