ID 题目 显示标签 隐藏标签 AC / 尝试 难度
59 USACOC1912B   Sleepy Cow Sorting 0 / 0 (无)
60 USACOC1912C   ShortCut 0 / 0 (无)
28 USACOC1921A   Cow Dating 0 / 0 (无)
62 USACOC1921B   Moorio Kart 0 / 0 (无)
113 USACOC2111A   United Cows of Farmer John 0 / 0 (无)
40 USACOC2111B   Routing Schemes 0 / 0 (无)
9 USACOC2111C   Balanced Subsets 0 / 0 (无)
41 USACOC2112B   Portals 0 / 0 (无)
42 USACOC2112C   Permutation 0 / 0 (无)
44 USACOC2113A   Maze Tac Toe 0 / 0 (无)
43 USACOC2113B   Do You Know Your ABCs? 0 / 0 (无)
114 USACOC2211A   Tickets 0 / 0 (无)
45 USACOC2211B   Paired Up 0 / 0 (无)
46 USACOC2211C   HILO 0 / 0 (无)
11 USACOC2212C   Bracelet Crossings 0 / 0 (无)
20 USACOC2213A   Closest Cow Wins 0 / 0 (无)
21 USACOC2213B   Connecting Two Barns 0 / 0 (无)
22 USACOC2213C   Convoluted Intervals 0 / 0 (无)
47 USACOC2214A   Lonely Photo 0 / 0 (无)
3 USACOC2214B   Air Cownditioning 0 / 0 (无)
115 USACOC2214C   Walking Home 0 / 0 (无)
49 USACOC2221A   Minimizing Haybales 0 / 0 (无)
23 USACOC2221B   Counting Haybales 0 / 0 (无)
50 USACOC2221C   Multiple Choice Test 0 / 0 (无)
51 USACOC2222A   Drought 0 / 0 (无)
52 USACOC2222B   Farm Updates 0 / 0 (无)
116 USACOC2222C   Tests for Haybales 0 / 0 (无)
53 USACOC2223A   Searching for Soulmates 0 / 0 (无)
24 USACOC2223B   Cow Frisbee 0 / 0 (无)
25 USACOC2223C   Cereal 2 0 / 0 (无)
55 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