ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1770 USACO613   Cow XOR 0 / 1 10
1777 USACOC1111A   Above the Median 0 / 0 (无)
1778 USACOC1111B   Binary Sudoku 0 / 0 (无)
1779 USACOC1111C   Cow Steeplechase 0 / 0 (无)
1688 USACOC1911A   重新分区 0 / 0 (无)
1689 USACOC1911B   晨跑路线 0 / 0 (无)
1690 USACOC1911C   列车追踪 0 / 0 (无)
1692 USACOC1912A   Cow Poetry 0 / 0 (无)
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)
1952 WC2021   括号路径 0 / 0 (无)
1962 WC2022A   序列变换 0 / 0 (无)
1964 WC2022C   猜词 0 / 0 (无)
2557 WC2024A   代码堵塞(codejam) 0 / 0 (无)
2559 WC2024B   水镜(mirror) 0 / 0 (无)
2558 WC2024C   线段树(segtree) 0 / 0 (无)
1965 ZJOI2016A   旅行者 0 / 0 (无)
1944 ZJOI2016F   随机树生成器 0 / 0 (无)
1932 ZJOI2020A   字符串 0 / 0 (无)
1933 ZJOI2020B   传统艺能 0 / 0 (无)
1934 ZJOI2020C   序列 0 / 0 (无)
1935 ZJOI2020D   染色游戏 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