ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1953 P2906   [USACO08OPEN] Cow Neighborhoods G 0 / 0 6
1954 P2907   [USACO08OPEN] Roads Around The Farm S 13 / 42 1
1955 P2908   [USACO08OPEN] Word Power S 0 / 0 2
1956 P2909   [USACO08OPEN] Cow Cars S 0 / 0 2
1957 P2910   [USACO08OPEN] Clear And Present Danger S 0 / 0 3
1958 P2911   [USACO08OCT] Bovine Bones G 7 / 11 1
1959 P2912   [USACO08OCT] Pasture Walking G 0 / 0 3
1960 P2913   [USACO08OCT] Wheel Rotation G 0 / 0 2
1961 P2914   [USACO08OCT] Power Failure G 0 / 0 4
1962 P2915   [USACO08NOV] Mixed Up Cows G 0 / 0 5
1963 P2916   [USACO08NOV] Cheering up the Cow G 0 / 0 3
1964 P2917   [USACO08NOV] Toys G 0 / 0 6
1965 P2918   [USACO08NOV] Buying Hay S 0 / 0 3
1966 P2919   [USACO08NOV] Guarding the Farm S 0 / 0 4
1967 P2920   [USACO08NOV] Time Management S 0 / 0 3
1968 P2921   [USACO08DEC] Trick or Treat on the Farm G 0 / 0 4
1969 P2922   [USACO08DEC] Secret Message G 0 / 0 4
1970 P2923   [USACO08DEC] Winning Checkers G 0 / 0 (无)
1971 P2924   [USACO08DEC] Largest Fence G 0 / 0 6
1972 P2925   [USACO08DEC] Hay For Sale S 0 / 0 2
1973 P2926   [USACO08DEC] Patting Heads S 1 / 1 3
1974 P2927   [USACO08DEC] Jigsaw Puzzles S 0 / 0 4
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

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