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  <blog_title>noshi91のメモ</blog_title>
  <blog_url>https://noshi91.hatenablog.com/</blog_url>
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  <description>関連記事 Lagrange inversion theorem - Codeforces [Tutorial] Generating Functions in Competitive Programming (Part 2) - Codeforces 公式集 注意: 一応証明したつもりですが、係数環を一般の可換環に取るところが怪しいです : 可換環 逆関数の係数 \begin{alignat}{2} \lbrack x ^ n \rbrack G(x) &amp; {} = \frac{1}{n} &amp; \lbrack x ^ {- 1} \rbrack &amp; F(x) ^ {- n} \cr &amp; = {…</description>
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  <published>2024-11-08 21:48:05</published>
  <title>Lagrange 反転変種チートシート</title>
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