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P3768 简单的数学题

 1 year ago
source link: https://www.shuizilong.com/house/archives/p3768-%e7%ae%80%e5%8d%95%e7%9a%84%e6%95%b0%e5%ad%a6%e9%a2%98/
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neoserver,ios ssh client
December 16, 2022
  • phi * 1 = n
  • (ID^k phi) * (ID^k) = S_k

其中 S_k 是 等幂求和 函数,
上面的 phi 卷 1 的结果也可看做是 S_0。

Posted by xiaodao
Category: 日常


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