ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8432 P2834   纸币问题 3 0 / 0 3
1896 P2835   刻录光盘 0 / 0 6
1889 P2836   加油问题 0 / 0 7
1886 P2837   [USACO08FEB] Dining Cows B 0 / 0 3
1893 P2838   瓶子国的故事 0 / 0 9
1894 P2839   [国家集训队] middle 0 / 0 8
8431 P2840   纸币问题 2 0 / 0 3
1900 P2841   A*B Problem 0 / 0 7
8430 P2842   纸币问题 1 0 / 0 3
1899 P2843   暗杀 0 / 0 7
1803 P2845   [USACO15DEC] Switching on the Lights S 0 / 0 6
1890 P2846   [USACO08NOV] Light Switching G 0 / 0 6
1901 P2847   [USACO16DEC] Moocast G 0 / 0 5
1903 P2848   [USACO16DEC] Cow Checklist G 0 / 0 6
1898 P2849   [USACO14DEC] Marathon S 0 / 0 5
1904 P2850   [USACO06DEC] Wormholes G 0 / 0 5
1905 P2851   [USACO06DEC] The Fewest Coins G 0 / 0 7
1906 P2852   [USACO06DEC] Milk Patterns G 0 / 0 6
1907 P2853   [USACO06DEC] Cow Picnic S 0 / 0 5
1908 P2854   [USACO06DEC] Cow Roller Coaster S 0 / 0 6
1909 P2855   [USACO06DEC] River Hopscotch S 0 / 0 5
1910 P2856   [USACO06FEB] Cellphones G 0 / 0 6
1911 P2857   [USACO06FEB] Steady Cow Assignment G 0 / 0 8
1912 P2858   [USACO06FEB] Treats for the Cows G/S 0 / 0 5
1913 P2859   [USACO06FEB] Stall Reservations S 0 / 0 6
1914 P2860   [USACO06JAN] Redundant Paths G 0 / 0 7
1915 P2861   [USACO06JAN] Roping the Field G 0 / 0 7
1916 P2862   [USACO06JAN] Corral the Cows G 0 / 0 6
1917 P2863   [USACO06JAN] The Cow Prom S 0 / 0 6
1918 P2864   [USACO06JAN] The Grove S 0 / 0 7
1919 P2865   [USACO06NOV] Roadblocks G 0 / 0 7
1920 P2866   [USACO06NOV] Bad Hair Day S 0 / 0 5
1921 P2867   [USACO06NOV] Big Square S 0 / 0 6
1922 P2868   [USACO07DEC] Sightseeing Cows G 0 / 0 7
1923 P2869   [USACO07DEC] Gourmet Grazers G 0 / 0 7
1924 P2870   [USACO07DEC] Best Cow Line G 0 / 0 6
1925 P2871   [USACO07DEC] Charm Bracelet S 0 / 0 3
1926 P2872   [USACO07DEC] Building Roads S 0 / 0 5
1927 P2873   [USACO07DEC] Mud Puddles S 0 / 0 3
1928 P2874   [USACO07FEB] Building A New Barn G 0 / 0 7
1929 P2875   [USACO07FEB] The Cow Lexicon S 0 / 0 7
1930 P2876   [USACO07JAN] Problem Solving G 0 / 0 7
1931 P2877   [USACO07JAN] Cow School G 0 / 0 8
1932 P2878   [USACO07JAN] Protecting the Flowers S 0 / 0 5
1933 P2879   [USACO07JAN] Tallest Cow S 0 / 0 5
1934 P2880   [USACO07JAN] Balanced Lineup G 0 / 0 5
1935 P2881   [USACO07MAR] Ranking the Cows G 0 / 0 6
1936 P2882   [USACO07MAR] Face The Right Way G 0 / 0 6
1937 P2883   [USACO07MAR] Cow Traffic S 0 / 0 5
1938 P2884   [USACO07MAR] Monthly Expense S 0 / 0 5
1939 P2885   [USACO07NOV] Telephone Wire G 0 / 0 7
1940 P2886   [USACO07NOV] Cow Relays G 0 / 0 6
1941 P2887   [USACO07NOV] Sunscreen G 0 / 0 5
1942 P2888   [USACO07NOV] Cow Hurdles S 0 / 0 5
1943 P2889   [USACO07NOV] Milking Time S 0 / 0 5
1944 P2890   [USACO07OPEN] Cheapest Palindrome G 0 / 0 6
1945 P2891   [USACO07OPEN] Dining G 0 / 0 7
3006 P2892   [NOI2007] 追捕盗贼 0 / 0 9
1947 P2893   [USACO08FEB] Making the Grade G 0 / 0 7
1948 P2894   [USACO08FEB] Hotel G 0 / 0 7
1949 P2895   [USACO08FEB] Meteor Shower S 0 / 0 5
1950 P2896   [USACO08FEB] Eating Together S 0 / 0 5
1951 P2897   [USACO08JAN] Artificial Lake G 0 / 0 7
1952 P2898   [USACO08JAN] Haybale Guessing G 0 / 0 7
1953 P2899   [USACO08JAN] Cell Phone Network G 0 / 0 5
1954 P2900   [USACO08MAR] Land Acquisition G 0 / 0 8
1955 P2901   [USACO08MAR] Cow Jogging G 0 / 0 7
1956 P2902   [USACO08MAR] Pearl Pairing G 0 / 0 5
1957 P2903   [USACO08MAR] The Loathesome Hay Baler S 0 / 0 5
1958 P2904   [USACO08MAR] River Crossing S 0 / 0 5
1959 P2905   [USACO08OPEN] Crisis on the Farm G 0 / 0 7
1960 P2906   [USACO08OPEN] Cow Neighborhoods G 0 / 0 8
1961 P2907   [USACO08OPEN] Roads Around The Farm S 0 / 0 1
1962 P2908   [USACO08OPEN] Word Power S 0 / 0 3
1963 P2909   [USACO08OPEN] Cow Cars S 0 / 0 3
1964 P2910   [USACO08OPEN] Clear And Present Danger S 0 / 0 5
1965 P2911   [USACO08OCT] Bovine Bones G 0 / 0 1
1966 P2912   [USACO08OCT] Pasture Walking G 0 / 0 5
1967 P2913   [USACO08OCT] Wheel Rotation G 0 / 0 3
1968 P2914   [USACO08OCT] Power Failure G 0 / 0 6
1969 P2915   [USACO08NOV] Mixed Up Cows G 0 / 0 7
1970 P2916   [USACO08NOV] Cheering up the Cow G 0 / 0 6
1971 P2917   [USACO08NOV] Toys G 0 / 0 8
1972 P2918   [USACO08NOV] Buying Hay S 0 / 0 5
1973 P2919   [USACO08NOV] Guarding the Farm S 0 / 0 6
1974 P2920   [USACO08NOV] Time Management S 0 / 0 5
1975 P2921   [USACO08DEC] Trick or Treat on the Farm G 0 / 0 6
1976 P2922   [USACO08DEC] Secret Message G 0 / 0 6
1977 P2923   [USACO08DEC] Winning Checkers G 0 / 0 7
1978 P2924   [USACO08DEC] Largest Fence G 0 / 0 6
1979 P2925   [USACO08DEC] Hay For Sale S 0 / 0 3
1980 P2926   [USACO08DEC] Patting Heads S 0 / 0 5
1981 P2927   [USACO08DEC] Jigsaw Puzzles S 0 / 0 6
1982 P2928   [USACO09HOL] Cattle Bruisers G 0 / 0 8
1983 P2929   [USACO09HOL] Transmission Delay G 0 / 0 7
1984 P2930   [USACO09HOL] Holiday Painting G 0 / 0 8
1985 P2931   [USACO09HOL] Pearl Bracelet G【征集 SPJ】 0 / 0 (无)
1986 P2932   [USACO09JAN] Earthquake Damage G 0 / 0 5
1987 P2933   [USACO09JAN] The Baric Bovine G 0 / 0 7
1988 P2934   [USACO09JAN] Safe Travel G 0 / 0 7

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