ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1902 P2855   [USACO06DEC] River Hopscotch S 0 / 0 3
1903 P2856   [USACO06FEB] Cellphones G 0 / 0 4
1904 P2857   [USACO06FEB] Steady Cow Assignment G 0 / 0 6
1905 P2858   [USACO06FEB] Treats for the Cows G/S 0 / 0 3
1906 P2859   [USACO06FEB] Stall Reservations S 0 / 0 5
1907 P2860   [USACO06JAN] Redundant Paths G 0 / 0 5
1908 P2861   [USACO06JAN] Roping the Field G 0 / 0 5
1909 P2862   [USACO06JAN] Corral the Cows G 0 / 0 5
1910 P2863   [USACO06JAN] The Cow Prom S 0 / 0 4
1911 P2864   [USACO06JAN] The Grove S 0 / 0 5
1912 P2865   [USACO06NOV] Roadblocks G 0 / 0 5
1913 P2866   [USACO06NOV] Bad Hair Day S 0 / 0 3
1914 P2867   [USACO06NOV] Big Square S 0 / 0 4
1915 P2868   [USACO07DEC] Sightseeing Cows G 0 / 0 6
1916 P2869   [USACO07DEC] Gourmet Grazers G 0 / 0 5
1917 P2870   [USACO07DEC] Best Cow Line G 0 / 0 5
1918 P2871   [USACO07DEC] Charm Bracelet S 0 / 0 2
1919 P2872   [USACO07DEC] Building Roads S 0 / 0 3
1920 P2873   [USACO07DEC] Mud Puddles S 0 / 0 2
1921 P2874   [USACO07FEB] Building A New Barn G 0 / 0 5
1922 P2875   [USACO07FEB] The Cow Lexicon S 0 / 0 5
1923 P2876   [USACO07JAN] Problem Solving G 0 / 0 5
1924 P2877   [USACO07JAN] Cow School G 0 / 0 6
1925 P2878   [USACO07JAN] Protecting the Flowers S 0 / 0 3
1926 P2879   [USACO07JAN] Tallest Cow S 0 / 0 4
1927 P2880   [USACO07JAN] Balanced Lineup G 0 / 0 3
1928 P2881   [USACO07MAR] Ranking the Cows G 0 / 0 4
1929 P2882   [USACO07MAR] Face The Right Way G 0 / 0 5
1930 P2883   [USACO07MAR] Cow Traffic S 0 / 0 5
1931 P2884   [USACO07MAR] Monthly Expense S 0 / 0 3
1932 P2885   [USACO07NOV] Telephone Wire G 0 / 0 5
1933 P2886   [USACO07NOV] Cow Relays G 0 / 0 5
1934 P2887   [USACO07NOV] Sunscreen G 0 / 0 3
1935 P2888   [USACO07NOV] Cow Hurdles S 0 / 0 3
1936 P2889   [USACO07NOV] Milking Time S 0 / 0 3
1937 P2890   [USACO07OPEN] Cheapest Palindrome G 0 / 0 5
1938 P2891   [USACO07OPEN] Dining G 0 / 0 6
1940 P2893   [USACO08FEB] Making the Grade G 0 / 0 5
1941 P2894   [USACO08FEB] Hotel G 0 / 0 5
1942 P2895   [USACO08FEB] Meteor Shower S 0 / 0 3
1943 P2896   [USACO08FEB] Eating Together S 0 / 0 3
1944 P2897   [USACO08JAN] Artificial Lake G 0 / 0 5
1945 P2898   [USACO08JAN] Haybale Guessing G 0 / 0 5
1946 P2899   [USACO08JAN] Cell Phone Network G 0 / 0 3
1947 P2900   [USACO08MAR] Land Acquisition G 0 / 0 6
1948 P2901   [USACO08MAR] Cow Jogging G 0 / 0 5
1949 P2902   [USACO08MAR] Pearl Pairing G 0 / 0 3
1950 P2903   [USACO08MAR] The Loathesome Hay Baler S 0 / 0 3
1951 P2904   [USACO08MAR] River Crossing S 0 / 0 3
1952 P2905   [USACO08OPEN] Crisis on the Farm G 0 / 0 5

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