2024年7月16日
D. The Omnipotent Monster Killer
摘要： D. The Omnipotent Monster Killer You, the monster killer, want to kill a group of monsters. The monsters are on a tree with $n$ vertices. On vertex wi 阅读全文
posted @ 2024-07-16 21:11 onlyblues 阅读(77) 评论(0) 推荐(0)
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