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