ID Problem Show tags Hide tags AC / Tried Difficulty
1975 P2918  [USACO08NOV] Buying Hay S 2 / 2 3
1976 P2919  [USACO08NOV] Guarding the Farm S 0 / 0 4
1977 P2920  [USACO08NOV] Time Management S 0 / 0 3
1978 P2921  [USACO08DEC] Trick or Treat on the Farm G 0 / 0 4
1979 P2922  [USACO08DEC] Secret Message G 0 / 0 4
1980 P2923  [USACO08DEC] Winning Checkers G 0 / 0 (None)
1981 P2924  [USACO08DEC] Largest Fence G 0 / 0 6
1982 P2925  [USACO08DEC] Hay For Sale S 0 / 0 2
1983 P2926  [USACO08DEC] Patting Heads S 0 / 0 3
1984 P2927  [USACO08DEC] Jigsaw Puzzles S 0 / 0 4
1985 P2928  [USACO09HOL] Cattle Bruisers G 0 / 0 6
1986 P2929  [USACO09HOL] Transmission Delay G 0 / 0 5
1987 P2930  [USACO09HOL] Holiday Painting G 0 / 0 6
8672 P2931  [USACO09HOL] Pearl Bracelet G【征集 SPJ】 0 / 0 (None)
1988 P2932  [USACO09JAN] Earthquake Damage G 0 / 0 3
1989 P2933  [USACO09JAN] The Baric Bovine G 0 / 0 5
1990 P2934  [USACO09JAN] Safe Travel G 0 / 0 6
1991 P2935  [USACO09JAN] Best Spot S 0 / 0 3
1992 P2936  [USACO09JAN] Total Flow S 0 / 0 5
1993 P2937  [USACO09JAN] Laserphones S 0 / 0 4
1994 P2938  [USACO09FEB] Stock Market G 0 / 0 4
1995 P2939  [USACO09FEB] Revamping Trails G 0 / 0 4
1996 P2940  [USACO09FEB] The Leprechaun S 0 / 0 5
1997 P2941  [USACO09FEB] Surround the Islands S 0 / 0 5
1998 P2942  [USACO09MAR] Moon Mooing G 0 / 0 3
1999 P2943  [USACO09MAR] Cleaning Up G 0 / 0 5
2000 P2944  [USACO09MAR] Earthquake Damage 2 G 0 / 0 6
2001 P2945  [USACO09MAR] Sand Castle S 0 / 0 2
2002 P2946  [USACO09MAR] Cow Frisbee Team S 3 / 3 3
2003 P2947  [USACO09MAR] Look Up S 0 / 0 3
2004 P2948  [USACO09OPEN] Ski Lessons G 0 / 0 5
2005 P2949  [USACO09OPEN] Work Scheduling G 0 / 0 4
2006 P2950  [USACO09OPEN] Bovine Embroidery G 0 / 0 5
2007 P2951  [USACO09OPEN] Hide and Seek S 0 / 0 3
2008 P2952  [USACO09OPEN] Cow Line S 0 / 0 2
2009 P2953  [USACO09OPEN] Cow Digit Game S 0 / 0 4
2010 P2954  [USACO09OPEN] Grazing2 S 0 / 0 4
2011 P2955  [USACO09OCT] Even? Odd? G 0 / 0 1
2012 P2956  [USACO09OCT] The Robot Plow G 0 / 0 1
2013 P2957  [USACO09OCT] Barn Echoes G 0 / 0 2
2014 P2958  [USACO09OCT] Papaya Jungle G 0 / 0 2
2015 P2959  [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2016 P2960  [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2017 P2961  [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2018 P2962  [USACO09NOV] Lights G 0 / 0 5
2019 P2963  [USACO09NOV] Cow Rescue G 0 / 0 4
2020 P2964  [USACO09NOV] A Coin Game S 10 / 34 5
2021 P2965  [USACO09NOV] The Grand Farm-off S 0 / 0 2
2022 P2966  [USACO09DEC] Cow Toll Paths G 0 / 0 5
2023 P2967  [USACO09DEC] Video Game Troubles G 0 / 0 5
2024 P2968  [USACO09DEC] Bobsledding S 0 / 0 4
2025 P2969  [USACO09DEC] Music Notes S 0 / 0 2
2026 P2970  [USACO09DEC] Selfish Grazing S 0 / 0 3
2027 P2971  [USACO10HOL] Cow Politics G 0 / 0 6
2028 P2972  [USACO10HOL] Rocks and Trees G 0 / 0 5
2029 P2973  [USACO10HOL] Driving Out the Piggies G 0 / 0 6
2030 P2974  [USACO10HOL] Cow War G 0 / 0 6
2031 P2975  [USACO10JAN] Taking Turns G 0 / 0 5
2032 P2976  [USACO10JAN] Shipping Around an Island G 0 / 0 6
2033 P2977  [USACO10JAN] Cow Telephones G 0 / 0 5
2034 P2978  [USACO10JAN] Tea Time S 13 / 31 2
2036 P2980  [USACO10FEB] Covering the Corral G 0 / 0 5
2037 P2981  [USACO10FEB] Cows on Ice G 0 / 0 5
2038 P2982  [USACO10FEB] Slowing down G 0 / 0 5
2039 P2983  [USACO10FEB] Chocolate Buying S 0 / 0 3
2040 P2984  [USACO10FEB] Chocolate Giving S 0 / 0 3
2041 P2985  [USACO10FEB] Chocolate Eating S 2 / 7 3
2042 P2986  [USACO10MAR] Great Cow Gathering G 4 / 11 4
2043 P2987  [USACO10MAR] StarCowraft G 0 / 0 6
2044 P2988  [USACO10MAR] Test Taking S 0 / 0 5
2045 P2989  [USACO10MAR] Need For Speed S 0 / 0 5
2046 P2990  [USACO10OPEN] Cow Hopscotch G 0 / 0 5
2047 P2991  [USACO10OPEN] Water Slides G 0 / 0 5
2048 P2992  [USACO10OPEN] Triangle Counting G 0 / 0 6
3262 P2993  [FJOI2014] 最短路径树问题 0 / 0 6
2049 P2994  [USACO10OCT] Dinner Time S 0 / 0 4
2050 P2995  [USACO10NOV] Cow Photographs G 0 / 0 5
2051 P2996  [USACO10NOV] Visiting Cows G 0 / 0 3
2052 P2997  [USACO10NOV] Banner S 0 / 0 3
2053 P2998  [USACO10NOV] Candy S 0 / 0 4
2054 P2999  [USACO10NOV] Chocolate Milk S 0 / 0 5
2055 P3000  [USACO10DEC] Cow Calisthenics G 0 / 0 5
2056 P3001  [USACO10DEC] Big Macs Around the World G 0 / 0 5
2057 P3002  [USACO10DEC] Threatening Letter G 0 / 0 6
2058 P3003  [USACO10DEC] Apple Delivery S 0 / 0 3
2059 P3004  [USACO10DEC] Treasure Chest S 0 / 0 4
2060 P3005  [USACO10DEC] The Trough Game S 0 / 0 5
2061 P3006  [USACO11JAN] Bottleneck G 0 / 0 6
2062 P3007  [USACO11JAN] The Continental Cowngress G 0 / 0 5
2063 P3008  [USACO11JAN] Roads and Planes G 0 / 0 5
2064 P3009  [USACO11JAN] Profits S 0 / 0 2
2065 P3010  [USACO11JAN] Dividing the Gold S 0 / 0 4
2066 P3011  [USACO11JAN] Traffic Lights S 0 / 0 6
2067 P3012  [USACO11FEB] Cowlphabet G 0 / 0 4
8673 P3013  [USACO11FEB] The Lost Cows G 0 / 0 5
2068 P3014  [USACO11FEB] Cow Line S 0 / 0 4
2069 P3015  [USACO11FEB] Best Parenthesis S 0 / 0 3
2070 P3016  [USACO11FEB] The Triangle S 0 / 0 3
2071 P3017  [USACO11MAR] Brownie Slicing G 1 / 1 5
2072 P3018  [USACO11MAR] Tree Decoration G 0 / 0 4

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