2021 - 题库 - 信学堂

ID	题目显示标签隐藏标签	AC / 尝试	难度
1243	USACOC1111B Binary Sudoku 2021 USACO 黄金组	0 / 0	(无)
1253	USACOC2111A United Cows of Farmer John 2021 USACO 铂金组黄金组	0 / 0	(无)
1254	USACOC2111B Routing Schemes 2021 USACO 铂金组	0 / 0	(无)
1255	USACOC2111C Balanced Subsets 2021 USACO 铂金组	0 / 0	(无)
1256	USACOC2112B Portals 2021 USACO 黄金组	0 / 0	(无)
1257	USACOC2112C Permutation 2021 USACO 黄金组	0 / 0	(无)
1258	USACOC2113A Maze Tac Toe 2021 USACO 银组	0 / 0	(无)
1259	USACOC2113B Do You Know Your ABCs? 2021 USACO 银组	0 / 0	(无)

根据当前过滤条件随机选择一道题

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