ID 题目 显示标签 隐藏标签 AC / 尝试 难度
623 P1606   [Usaco2008 Dec]Hay For Sale 购买干草 905 / 1596 3
624 P1607   [Usaco2008 Dec]Patting Heads 轻拍牛头 1522 / 3645 5
625 P1608   [Usaco2008 Dec]Jigsaw Puzzles 拼图[废题] 2 / 88 10
626 P1609   [Usaco2008 Feb]Eating Together麻烦的聚餐 940 / 1854 3
627 P1610   [Usaco2008 Feb]Line连线游戏 960 / 2572 5
628 P1611   [Usaco2008 Feb]Meteor Shower流星雨 646 / 1853 5
631 P1614   [Usaco2008 Jan]Telephone Lines架设电话线 885 / 2592 6
632 P1615   [Usaco2008 Mar]The Loathesome Hay Baler麻烦的干草打包机 390 / 1058 5
633 P1616   [Usaco2008 Mar]Cow Travelling游荡的奶牛 719 / 1527 4
634 P1617   [Usaco2008 Mar]River Crossing渡河问题 798 / 1264 2
635 P1618   [Usaco2008 Nov]Buying Hay 购买干草 694 / 1476 4
636 P1619   [Usaco2008 Nov]Guarding the Farm 保卫牧场 414 / 1053 5
637 P1620   [Usaco2008 Nov]Time Management 时间管理 557 / 1018 3
638 P1621   [Usaco2008 Open]Roads Around The Farm分岔路口 651 / 1048 2
639 P1622   [Usaco2008 Open]Word Power 名字的能量 376 / 737 3
640 P1623   [Usaco2008 Open]Cow Cars 奶牛飞车 424 / 701 2
641 P1624   [Usaco2008 Open] Clear And Present Danger 寻宝之路 529 / 922 3
642 P1625   [Usaco2007 Dec]宝石手镯 897 / 1510 2
643 P1626   [Usaco2007 Dec]Building Roads 修建道路 695 / 1920 5
644 P1627   [Usaco2007 Dec]穿越泥地 509 / 854 2
645 P1628   [Usaco2007 Demo]City skyline 457 / 682 1
646 P1629   [Usaco2007 Demo]Cow Acrobats 505 / 1196 5
647 P1630   [Usaco2007 Demo]Ant Counting 303 / 534 3
649 P1631   [Usaco2007 Feb]Cow Party 600 / 964 2
650 P1632   [Usaco2007 Feb]Lilypad Pond 211 / 771 6
651 P1633   [Usaco2007 Feb]The Cow Lexicon 牛的词典 357 / 691 3
652 P1634   [Usaco2007 Jan]Protecting the Flowers 护花 559 / 983 3
653 P1635   [Usaco2007 Jan]Tallest Cow 最高的牛 421 / 836 3
654 P1636   [Usaco2007 Jan]Balanced Lineup 628 / 1084 2
655 P1637   [Usaco2007 Mar]Balanced Lineup 480 / 822 2
656 P1638   [Usaco2007 Mar]Cow Traffic 奶牛交通 365 / 1073 6
657 P1639   [Usaco2007 Mar]Monthly Expense 月度开支 533 / 1202 4
658 P1640   [Usaco2007 Nov]Best Cow Line 队列变换 530 / 1132 4
659 P1641   [Usaco2007 Nov]Cow Hurdles 奶牛跨栏 499 / 846 2
661 P1643   [Usaco2007 Oct]Bessie's Secret Pasture 贝茜的秘密草坪 373 / 509 1
662 P1644   [Usaco2007 Oct]Obstacle Course 障碍训练课 320 / 753 4
664 P1646   [Usaco2007 Open]Catch That Cow 抓住那只牛 576 / 1529 5
665 P1647   [Usaco2007 Open]Fliptile 翻格子游戏 283 / 816 5
666 P1648   [Usaco2006 Dec]Cow Picnic 奶牛野餐 465 / 880 3
667 P1649   [Usaco2006 Dec]Cow Roller Coaster 341 / 793 4
668 P1650   [Usaco2006 Dec]River Hopscotch 跳石子 459 / 879 3
669 P1651   [Usaco2006 Feb]Stall Reservations 专用牛棚 509 / 1165 4
670 P1652   [Usaco2006 Feb]Treats for the Cows 318 / 469 1
671 P1653   [Usaco2006 Feb]Backward Digit Sums加强版 350 / 572 2
672 P1654   [Usaco2006 Jan]The Cow Prom 奶牛舞会 309 / 508 2
673 P1655   [Usaco2006 Jan] Dollar Dayz 奶牛商店 296 / 713 5
674 P1656   [Usaco2006 Jan] The Grove 树木 151 / 294 3
675 P1657   [Usaco2006 Mar]Mooo 奶牛的歌声 575 / 1025 3
677 P1659   [Usaco2006 Mar]Lights Out 关灯 85 / 371 7
680 P1660   [Usaco2006 Nov]Bad Hair Day 乱发节 616 / 1471 5
682 P1661   [Usaco2006 Nov]Big Square 巨大正方形 205 / 520 5
683 P1662   [Usaco2006 Nov]Round Numbers 圆环数 220 / 493 4
685 P1664   [Usaco2006 Open]County Fair Events 参加节日庆祝 322 / 534 2
686 P1665   [Usaco2006 Open]The Climbing Wall 攀岩 180 / 434 5
692 P1671   [Usaco2005 Dec]Knights of Ni 骑士 276 / 486 3
693 P1672   [Usaco2005 Dec]Cleaning Shifts 清理牛棚 385 / 1126 6
694 P1673   [Usaco2005 Dec]Scales 天平 257 / 813 6
695 P1674   [Usaco2005]Part Acquisition 212 / 488 4
696 P1675   [Usaco2005 Feb]Rigging the Bovine Election 竞选划区 151 / 300 3
697 P1676   [Usaco2005 Feb]Feed Accounting 饲料计算 178 / 272 1
698 P1677   [Usaco2005 Jan]Sumsets 求和 586 / 1215 4
699 P1678   [Usaco2005 Jan] Watchcow 巡逻[废题] 0 / 47 10
700 P1679   [Usaco2005 Jan]Moo Volume 牛的呼声 554 / 1229 4
701 P1680   [Usaco2005 Mar]Yogurt factory 235 / 363 2
702 P1681   [Usaco2005 Mar]Checking an Alibi 不在场的证明 250 / 428 2
703 P1682   [Usaco2005 Mar]Out of Hay 干草危机 472 / 729 2
704 P1683   [Usaco2005 Nov]City skyline 城市地平线 342 / 452 1
705 P1684   [Usaco2005 Oct]Close Encounter 281 / 607 4
706 P1685   [Usaco2005 Oct]Allowance 津贴 224 / 319 1
707 P1686   [Usaco2005 Open]Waves 波纹 46 / 99 4
708 P1687   [Usaco2005 Open]Navigating the City 城市交通 119 / 178 1
709 P1688   [Usaco2005 Open]Disease Manangement 疾病管理 479 / 921 3
710 P1689   [Usaco2005 Open] Muddy roads 泥泞的路 312 / 509 2
744 P1723   [Usaco2009 Feb]The Leprechaun 寻宝 47 / 258 8
1038 P2014   [Usaco2010 Feb]Chocolate Buying 227 / 464 4
1039 P2015   [Usaco2010 Feb]Chocolate Giving 330 / 577 3
1040 P2016   [Usaco2010]Chocolate Eating 216 / 703 6
1042 P2018   [Usaco2009 Nov]农场技艺大赛 147 / 335 4
1043 P2019   [Usaco2009 Nov]找工作 165 / 265 2
1044 P2020   [Usaco2010 Jan]Buying Feed, II 253 / 380 1
1045 P2021   [Usaco2010 Jan]Cheese Towers 164 / 356 4
808 P2023   [Usaco2005 Nov]Ant Counting 数蚂蚁 204 / 423 4
1125 P2100   [Usaco2010 Dec]Apple Delivery 306 / 975 6
1127 P2102   [Usaco2010 Dec]The Trough Game 137 / 202 1
2147 P3016   [Usaco2012 Nov]Clumsy Cows 197 / 310 2
2148 P3017   [Usaco2012 Nov]Cow Breeds 69 / 108 2
2149 P3018   [Usaco2012 Nov]Distant Pastures 77 / 158 4
2484 P3296   [USACO2011 Open] Learning Languages 242 / 491 4
2485 P3297   [USACO2011 Open]forgot 119 / 210 3
2487 P3298   [USACO 2011Open]cow checkers 87 / 208 5
2488 P3299   [USACO2011 Open]Corn Maze玉米迷宫 189 / 460 5
2489 P3300   [USACO2011 Feb]Best Parenthesis 152 / 365 5
2490 P3301   [USACO2011 Feb] Cow Line 121 / 276 4
2501 P3313   [Usaco2013 Nov]Farmer John has no Large Brown Cow 43 / 66 2
2502 P3314   [Usaco2013 Nov]Crowded Cows 176 / 321 3
2579 P3389   [Usaco2004 Dec]Cleaning Shifts安排值班 167 / 547 6
2580 P3390   [Usaco2004 Dec]Bad Cowtractors牛的报复 235 / 491 4
2581 P3391   [Usaco2004 Dec]Tree Cutting网络破坏 202 / 338 2
2582 P3392   [Usaco2005 Feb]Part Acquisition 交易 98 / 211 4
2583 P3393   [Usaco2009 Jan]Laserphones 激光通讯 50 / 72 1

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