ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1693 USACOC1912B  Sleepy Cow Sorting 0 / 0 (无)
1694 USACOC1912C  ShortCut 0 / 0 (无)
1696 USACOC1921A  Cow Dating 0 / 0 (无)
1697 USACOC1921B  Moorio Kart 0 / 0 (无)
1772 USACOC2111A  United Cows of Farmer John 0 / 0 (无)
1773 USACOC2111B  Routing Schemes 0 / 0 (无)
1776 USACOC2111C  Balanced Subsets 0 / 0 (无)
1774 USACOC2112B  Portals 0 / 0 (无)
1775 USACOC2112C  Permutation 0 / 0 (无)
1781 USACOC2113A  Maze Tac Toe 0 / 0 (无)
1780 USACOC2113B  Do You Know Your ABCs? 0 / 0 (无)
1782 USACOC2211A  Tickets 0 / 0 (无)
1979 USACOC2211B  Paired Up 0 / 0 (无)
1980 USACOC2211C  HILO 0 / 0 (无)
1981 USACOC2212C  Bracelet Crossings 0 / 0 (无)
1982 USACOC2213A  Closest Cow Wins 0 / 0 (无)
1983 USACOC2213B  Connecting Two Barns 0 / 0 (无)
1984 USACOC2213C  Convoluted Intervals 0 / 0 (无)
1985 USACOC2214A  Lonely Photo 0 / 0 (无)
1986 USACOC2214B  Air Cownditioning 0 / 0 (无)
1987 USACOC2214C  Walking Home 0 / 0 (无)
1989 USACOC2221B  Counting Haybales 0 / 0 (无)
1990 USACOC2221C  Multiple Choice Test 0 / 0 (无)
1991 USACOC2222A  Drought 0 / 0 (无)
1992 USACOC2222B  Farm Updates 0 / 0 (无)
1993 USACOC2222C  Tests for Haybales 0 / 0 (无)
1994 USACOC2223A  Searching for Soulmates 0 / 0 (无)
1995 USACOC2223B  Cow Frisbee 0 / 0 (无)
1996 USACOC2223C  Cereal 2 0 / 0 (无)
1997 USACOC2224A  Herdle 0 / 0 (无)

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手气不错

根据当前过滤条件随机选择一道题