ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1997 P2956  [USACO09OCT] The Robot Plow G 0 / 0 1
1998 P2957  [USACO09OCT] Barn Echoes G 0 / 0 2
1999 P2958  [USACO09OCT] Papaya Jungle G 0 / 0 2
2000 P2959  [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2001 P2960  [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2002 P2961  [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2003 P2962  [USACO09NOV] Lights G 0 / 0 5
2004 P2963  [USACO09NOV] Cow Rescue G 0 / 0 4
2005 P2964  [USACO09NOV] A Coin Game S 0 / 0 5
2006 P2965  [USACO09NOV] The Grand Farm-off S 0 / 0 2
2007 P2966  [USACO09DEC] Cow Toll Paths G 0 / 0 5
2008 P2967  [USACO09DEC] Video Game Troubles G 0 / 0 5
2009 P2968  [USACO09DEC] Bobsledding S 0 / 0 4
2010 P2969  [USACO09DEC] Music Notes S 0 / 0 2
2011 P2970  [USACO09DEC] Selfish Grazing S 0 / 0 3
2012 P2971  [USACO10HOL] Cow Politics G 0 / 0 6
2013 P2972  [USACO10HOL] Rocks and Trees G 0 / 0 5
2014 P2973  [USACO10HOL] Driving Out the Piggies G 0 / 0 6
2015 P2974  [USACO10HOL] Cow War G 0 / 0 (无)
2016 P2975  [USACO10JAN] Taking Turns G 0 / 0 5

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