ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1975 P2928   [USACO09HOL] Cattle Bruisers G 0 / 0 6
1976 P2929   [USACO09HOL] Transmission Delay G 0 / 0 5
1977 P2930   [USACO09HOL] Holiday Painting G 0 / 0 6
8508 P2931   [USACO09HOL] Pearl Bracelet G【征集 SPJ】 0 / 0 (无)
1978 P2932   [USACO09JAN] Earthquake Damage G 0 / 0 3
1979 P2933   [USACO09JAN] The Baric Bovine G 0 / 0 5
1980 P2934   [USACO09JAN] Safe Travel G 0 / 0 6
1981 P2935   [USACO09JAN] Best Spot S 0 / 0 3
1982 P2936   [USACO09JAN] Total Flow S 0 / 0 5
1983 P2937   [USACO09JAN] Laserphones S 0 / 0 4
1984 P2938   [USACO09FEB] Stock Market G 0 / 0 4
1985 P2939   [USACO09FEB] Revamping Trails G 0 / 0 4
1986 P2940   [USACO09FEB] The Leprechaun S 0 / 0 5
1987 P2941   [USACO09FEB] Surround the Islands S 0 / 0 5
1988 P2942   [USACO09MAR] Moon Mooing G 0 / 0 3
1989 P2943   [USACO09MAR] Cleaning Up G 0 / 0 5
1990 P2944   [USACO09MAR] Earthquake Damage 2 G 0 / 0 6
1991 P2945   [USACO09MAR] Sand Castle S 0 / 0 2
1992 P2946   [USACO09MAR] Cow Frisbee Team S 0 / 0 3
1993 P2947   [USACO09MAR] Look Up S 0 / 0 3
1994 P2948   [USACO09OPEN] Ski Lessons G 0 / 0 5
1995 P2949   [USACO09OPEN] Work Scheduling G 0 / 0 4
1996 P2950   [USACO09OPEN] Bovine Embroidery G 0 / 0 5
1997 P2951   [USACO09OPEN] Hide and Seek S 0 / 0 3
1998 P2952   [USACO09OPEN] Cow Line S 0 / 0 2
1999 P2953   [USACO09OPEN] Cow Digit Game S 0 / 0 4
2000 P2954   [USACO09OPEN] Grazing2 S 0 / 0 4
2001 P2955   [USACO09OCT] Even? Odd? G 9 / 18 1
2002 P2956   [USACO09OCT] The Robot Plow G 0 / 0 1
2003 P2957   [USACO09OCT] Barn Echoes G 0 / 0 2
2004 P2958   [USACO09OCT] Papaya Jungle G 0 / 0 2
2005 P2959   [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2006 P2960   [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2007 P2961   [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2008 P2962   [USACO09NOV] Lights G 0 / 0 5
2009 P2963   [USACO09NOV] Cow Rescue G 0 / 0 4
2010 P2964   [USACO09NOV] A Coin Game S 0 / 0 5
2011 P2965   [USACO09NOV] The Grand Farm-off S 0 / 0 2
2012 P2966   [USACO09DEC] Cow Toll Paths G 0 / 0 5
2013 P2967   [USACO09DEC] Video Game Troubles G 0 / 0 5
2014 P2968   [USACO09DEC] Bobsledding S 0 / 0 4
2015 P2969   [USACO09DEC] Music Notes S 0 / 0 2
2016 P2970   [USACO09DEC] Selfish Grazing S 0 / 0 3
2208 P3153   [CQOI2009] 跳舞 0 / 0 6
2209 P3154   [CQOI2009] 循环赛 0 / 0 5
2210 P3155   [CQOI2009] 叶子的染色 0 / 0 5
2227 P3173   [HAOI2009] 巧克力 0 / 0 3
2228 P3174   [HAOI2009] 毛毛虫 0 / 0 4
2253 P3199   [HNOI2009] 最小圈 0 / 0 6
2254 P3200   [HNOI2009] 有趣的数列 0 / 0 6

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