ID 题目 显示标签 隐藏标签 AC / 尝试 难度
23 USACOC1912B   Sleepy Cow Sorting 0 / 0 (无)
24 USACOC1912C   ShortCut 0 / 0 (无)
26 USACOC1921A   Cow Dating 0 / 0 (无)
27 USACOC1921B   Moorio Kart 0 / 0 (无)
102 USACOC2111A   United Cows of Farmer John 0 / 0 (无)
103 USACOC2111B   Routing Schemes 0 / 0 (无)
106 USACOC2111C   Balanced Subsets 0 / 0 (无)
104 USACOC2112B   Portals 0 / 0 (无)
105 USACOC2112C   Permutation 0 / 0 (无)
111 USACOC2113A   Maze Tac Toe 0 / 0 (无)
110 USACOC2113B   Do You Know Your ABCs? 0 / 0 (无)
112 USACOC2211A   Tickets 0 / 0 (无)
113 USACOC2211B   Paired Up 0 / 0 (无)
114 USACOC2211C   HILO 0 / 0 (无)
115 USACOC2212C   Bracelet Crossings 0 / 0 (无)
116 USACOC2213A   Closest Cow Wins 0 / 0 (无)
117 USACOC2213B   Connecting Two Barns 0 / 0 (无)
118 USACOC2213C   Convoluted Intervals 0 / 0 (无)
119 USACOC2214A   Lonely Photo 0 / 0 (无)
120 USACOC2214B   Air Cownditioning 0 / 0 (无)
121 USACOC2214C   Walking Home 0 / 0 (无)
122 USACOC2221A   Minimizing Haybales 0 / 0 (无)
123 USACOC2221B   Counting Haybales 0 / 0 (无)
124 USACOC2221C   Multiple Choice Test 0 / 0 (无)
125 USACOC2222A   Drought 0 / 0 (无)
126 USACOC2222B   Farm Updates 0 / 0 (无)
127 USACOC2222C   Tests for Haybales 0 / 0 (无)
128 USACOC2223A   Searching for Soulmates 0 / 0 (无)
129 USACOC2223B   Cow Frisbee 0 / 0 (无)
130 USACOC2223C   Cereal 2 0 / 0 (无)
131 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