2021 - 题库 - HydroOJ

ID	题目显示标签隐藏标签	AC / 尝试	难度
108	USACOC1111B Binary Sudoku 2021 USACO 黄金组	0 / 0	(无)
102	USACOC2111A United Cows of Farmer John 2021 USACO 铂金组黄金组	0 / 0	(无)
103	USACOC2111B Routing Schemes 2021 USACO 铂金组	0 / 0	(无)
106	USACOC2111C Balanced Subsets 2021 USACO 铂金组	0 / 0	(无)
104	USACOC2112B Portals 2021 USACO 黄金组	0 / 0	(无)
105	USACOC2112C Permutation 2021 USACO 黄金组	0 / 0	(无)
111	USACOC2113A Maze Tac Toe 2021 USACO 银组	0 / 0	(无)
110	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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