ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2001 P2960   [USACO09OCT] Invasion of the Milkweed G 0 / 0 5
2002 P2961   [USACO09NOV] Who Brings the Cookies? G 0 / 0 8
2003 P2962   [USACO09NOV] Lights G 0 / 0 7
2004 P2963   [USACO09NOV] Cow Rescue G 0 / 0 6
2005 P2964   [USACO09NOV] A Coin Game S 0 / 0 7
2006 P2965   [USACO09NOV] The Grand Farm-off S 0 / 0 3
2007 P2966   [USACO09DEC] Cow Toll Paths G 0 / 0 7
2008 P2967   [USACO09DEC] Video Game Troubles G 0 / 0 7
2009 P2968   [USACO09DEC] Bobsledding S 0 / 0 6
2010 P2969   [USACO09DEC] Music Notes S 0 / 0 3
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 7
2014 P2973   [USACO10HOL] Driving Out the Piggies G 0 / 0 8
2015 P2974   [USACO10HOL] Cow War G 0 / 0 8
2016 P2975   [USACO10JAN] Taking Turns G 0 / 0 7
2017 P2976   [USACO10JAN] Shipping Around an Island G 0 / 0 8
2018 P2977   [USACO10JAN] Cow Telephones G 0 / 0 7
2019 P2978   [USACO10JAN] Tea Time S 0 / 0 3
2020 P2979   [USACO10JAN] Cheese Towers S 0 / 0 6

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