ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1977 P2912   [USACO08OCT] Pasture Walking G 0 / 0 3
1978 P2913   [USACO08OCT] Wheel Rotation G 0 / 0 2
1979 P2914   [USACO08OCT] Power Failure G 0 / 0 4
1980 P2915   [USACO08NOV] Mixed Up Cows G 0 / 0 5
1981 P2916   [USACO08NOV] Cheering up the Cow G 0 / 0 3
1982 P2917   [USACO08NOV] Toys G 0 / 0 6
1983 P2918   [USACO08NOV] Buying Hay S 0 / 0 3
1984 P2919   [USACO08NOV] Guarding the Farm S 0 / 0 4
1985 P2920   [USACO08NOV] Time Management S 0 / 0 3
1986 P2921   [USACO08DEC] Trick or Treat on the Farm G 0 / 0 4
1987 P2922   [USACO08DEC] Secret Message G 0 / 0 4
1988 P2923   [USACO08DEC] Winning Checkers G 0 / 0 (无)
1989 P2924   [USACO08DEC] Largest Fence G 0 / 0 6
1990 P2925   [USACO08DEC] Hay For Sale S 0 / 0 2
1991 P2926   [USACO08DEC] Patting Heads S 0 / 0 3
1992 P2927   [USACO08DEC] Jigsaw Puzzles S 0 / 0 4
1993 P2928   [USACO09HOL] Cattle Bruisers G 0 / 0 6
1994 P2929   [USACO09HOL] Transmission Delay G 0 / 0 5
1995 P2930   [USACO09HOL] Holiday Painting G 0 / 0 6
1996 P2931   [USACO09HOL] Pearl Bracelet G【征集 SPJ】 0 / 0 (无)
1997 P2932   [USACO09JAN] Earthquake Damage G 0 / 0 3
1998 P2933   [USACO09JAN] The Baric Bovine G 0 / 0 5
1999 P2934   [USACO09JAN] Safe Travel G 0 / 0 6
2000 P2935   [USACO09JAN] Best Spot S 0 / 0 3
2001 P2936   [USACO09JAN] Total Flow S 0 / 0 5
2002 P2937   [USACO09JAN] Laserphones S 0 / 0 4
2003 P2938   [USACO09FEB] Stock Market G 0 / 0 4
2004 P2939   [USACO09FEB] Revamping Trails G 0 / 0 4
2005 P2940   [USACO09FEB] The Leprechaun S 0 / 0 5
2006 P2941   [USACO09FEB] Surround the Islands S 0 / 0 5
2007 P2942   [USACO09MAR] Moon Mooing G 0 / 0 3
2008 P2943   [USACO09MAR] Cleaning Up G 0 / 0 5
2009 P2944   [USACO09MAR] Earthquake Damage 2 G 0 / 0 6
2010 P2945   [USACO09MAR] Sand Castle S 0 / 0 2
2011 P2946   [USACO09MAR] Cow Frisbee Team S 0 / 0 3
2012 P2947   [USACO09MAR] Look Up S 0 / 0 3
2013 P2948   [USACO09OPEN] Ski Lessons G 0 / 0 5
2014 P2949   [USACO09OPEN] Work Scheduling G 0 / 0 4
2015 P2950   [USACO09OPEN] Bovine Embroidery G 0 / 0 5
2016 P2951   [USACO09OPEN] Hide and Seek S 0 / 0 3
2017 P2952   [USACO09OPEN] Cow Line S 0 / 0 2
2018 P2953   [USACO09OPEN] Cow Digit Game S 0 / 0 4
2019 P2954   [USACO09OPEN] Grazing2 S 0 / 0 4
2020 P2955   [USACO09OCT] Even? Odd? G 0 / 0 1
2021 P2956   [USACO09OCT] The Robot Plow G 0 / 0 1
2022 P2957   [USACO09OCT] Barn Echoes G 0 / 0 2
2023 P2958   [USACO09OCT] Papaya Jungle G 0 / 0 2
2024 P2959   [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2025 P2960   [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2026 P2961   [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2027 P2962   [USACO09NOV] Lights G 0 / 0 5
2028 P2963   [USACO09NOV] Cow Rescue G 0 / 0 4
2029 P2964   [USACO09NOV] A Coin Game S 0 / 0 5
2030 P2965   [USACO09NOV] The Grand Farm-off S 0 / 0 2
2031 P2966   [USACO09DEC] Cow Toll Paths G 0 / 0 5
2032 P2967   [USACO09DEC] Video Game Troubles G 0 / 0 5
2033 P2968   [USACO09DEC] Bobsledding S 0 / 0 4
2034 P2969   [USACO09DEC] Music Notes S 0 / 0 2
2035 P2970   [USACO09DEC] Selfish Grazing S 0 / 0 2
2036 P2971   [USACO10HOL] Cow Politics G 0 / 0 6
2037 P2972   [USACO10HOL] Rocks and Trees G 0 / 0 5
2038 P2973   [USACO10HOL] Driving Out the Piggies G 0 / 0 6
2039 P2974   [USACO10HOL] Cow War G 0 / 0 6
2040 P2975   [USACO10JAN] Taking Turns G 0 / 0 5
2041 P2976   [USACO10JAN] Shipping Around an Island G 0 / 0 6
2042 P2977   [USACO10JAN] 奶牛电话机 G 0 / 0 5
2043 P2978   [USACO10JAN] Tea Time S 0 / 0 2
2044 P2979   [USACO10JAN] Cheese Towers S 0 / 0 4
2045 P2980   [USACO10FEB] Covering the Corral G 0 / 0 5
2046 P2981   [USACO10FEB] Cows on Ice G 0 / 0 5
2047 P2982   [USACO10FEB] Slowing down G 0 / 0 5
2048 P2983   [USACO10FEB] Chocolate Buying S 0 / 0 3
2049 P2984   [USACO10FEB] Chocolate Giving S 0 / 0 3
2050 P2985   [USACO10FEB] Chocolate Eating S 0 / 0 3
2051 P2986   [USACO10MAR] Great Cow Gathering G 0 / 0 4
2052 P2987   [USACO10MAR] StarCowraft G 0 / 0 6
2053 P2988   [USACO10MAR] Test Taking S 0 / 0 5
2054 P2989   [USACO10MAR] Need For Speed S 0 / 0 5
2055 P2990   [USACO10OPEN] Cow Hopscotch G 0 / 0 5
2056 P2991   [USACO10OPEN] Water Slides G 0 / 0 5
2057 P2992   [USACO10OPEN] Triangle Counting G 0 / 0 6
3267 P2993   [FJOI2014] 最短路径树问题 0 / 0 6
2058 P2994   [USACO10OCT] Dinner Time S 0 / 0 4
2059 P2995   [USACO10NOV] Cow Photographs G 0 / 0 5
2060 P2996   [USACO10NOV] Visiting Cows G 0 / 0 3
2061 P2997   [USACO10NOV] Banner S 0 / 0 3
2062 P2998   [USACO10NOV] Candy S 0 / 0 4
2063 P2999   [USACO10NOV] Chocolate Milk S 0 / 0 3
2064 P3000   [USACO10DEC] Cow Calisthenics G 0 / 0 5
2065 P3001   [USACO10DEC] Big Macs Around the World G 0 / 0 5
2066 P3002   [USACO10DEC] Threatening Letter G 0 / 0 6
2067 P3003   [USACO10DEC] Apple Delivery S 0 / 0 3
2068 P3004   [USACO10DEC] Treasure Chest S 0 / 0 4
2069 P3005   [USACO10DEC] The Trough Game S 0 / 0 5
2070 P3006   [USACO11JAN] Bottleneck G 0 / 0 6
2071 P3007   [USACO11JAN] The Continental Cowngress G 0 / 0 5
2072 P3008   [USACO11JAN] Roads and Planes G 0 / 0 5
2073 P3009   [USACO11JAN] Profits S 0 / 0 2
2074 P3010   [USACO11JAN] Dividing the Gold S 0 / 0 4
2075 P3011   [USACO11JAN] Traffic Lights S 0 / 0 6

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