ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1999 P2958   [USACO09OCT] Papaya Jungle G 0 / 0 3
2000 P2959   [USACO09OCT] The Leisurely Stroll G 0 / 0 3
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
2203 P3153   [CQOI2009] 跳舞 0 / 0 8
2204 P3154   [CQOI2009] 循环赛 0 / 0 7
2205 P3155   [CQOI2009] 叶子的染色 0 / 0 6
2222 P3173   [HAOI2009] 巧克力 0 / 0 6
2223 P3174   [HAOI2009] 毛毛虫 0 / 0 6
2248 P3199   [HNOI2009] 最小圈 0 / 0 7
2249 P3200   [HNOI2009] 有趣的数列 0 / 0 6

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