随笔分类 -  数学—min25筛

摘要:Problem Description Given n-1 points, numbered from 2 to n, the edge weight between the two points a and b is lcm(a, b). Please find the minimum spann 阅读全文
posted @ 2021-07-20 18:36 脂环 阅读(497) 评论(0) 推荐(0) 编辑

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