2021 US Open - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
799	USACO2348 牛的学术圈 I USACO 2021 US Open Bronze	2 / 3	10
800	USACO2349 牛的学术圈 II USACO 2021 US Open Bronze	2 / 2	10
801	USACO2350 牛的学术圈 III USACO 2021 US Open Bronze	2 / 2	10
802	USACO2351 迷宫井字棋 USACO 2021 US Open Silver	0 / 0	(None)
803	USACO2352 你知道你的ABC吗 USACO 2021 US Open Silver	0 / 0	(None)
804	USACO2353 牛的学术圈 USACO 2021 US Open Silver	0 / 0	(None)

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