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QOJ #5092. 森林游戏 题解

Description 小 A 和小 B 正在玩游戏。 他们面前有一个有根树森林,每个点 \(u\) 有正整数点权 \(A_u\)。 小 A 和小 B 轮流操作,小 A 先手。当前操作

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word choice

斯 refers to a person mostly, as in 天將降大任於斯人也... Interestingly, 这斯 in ancient Chinese means "this (bad) guy" in 水浒传, used by a rude guy frequently. As mentioned,

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