[Counting by Formal Power Series (AtCoder JSC2019 Qualifying Problem F) | maspy’s website https://maspypy.com/%E6%95%B0%E5%AD%A6-%E5%BD%A2%E5%BC%8F%E7%9A%84%E3%81%B9%E3%81%8D% E7%B4%9A%E6%95%B0%E3%81%AB%E3%82%88%E3%82%8B%E6%95%B0%E3%81%88%E4%B8%8A%E3%81%92%EF%BC%88jsc2019%E4%BA%88%E9%81%B8%E5%95%8F%E9%A1 8Cf]
https://maspypy.com/atcoder-参加感想-2020-07-11エイシング-プログラミング-コンテ
- [Polynomials, Formal Power Series (1) Correspondence with Counting | maspy’s HP https://maspypy.com/%e5%a4%9a%e9%a0%85%e5%bc%8f%e3%83%bb%e5%bd%a2%e5%bc%8f%e7%9a%84%e3%81%b9%e3% 81%8d%e7%b4%9a%e6%95%b0%e6%95%b0%e3%81%88%e4%b8%8a%e3%81%92%e3%81%a8%e3%81%ae%e5%af%be%e5%bf%9c%e4%bb%98%e3%81%91]
- [Polynomials and Formal Power Series (3) Linear Asymptotes and Formal Power Series | maspy’s HP https://maspypy.com/%e5%a4%9a%e9%a0%85%e5%bc%8f%e3%83%bb%e5%bd%a2%e5%bc%8f%e7%9a%84%e3%81%b9% e3%81%8d%e7%b4%9a%e6%95%b0%ef%bc%88%ef%bc%93%ef%bc%89%e7%b7%9a%e5%bd%a2%e6%bc%b8%e5%8c%96%e5%bc%8f%e3%81%a8%e5%bd%a2%e5%bc%8f]
[AtCoder G - Sum of Fibonacci numbers (square869120Contest) | maspy’s HP https://maspypy.com/atcoder-g-%e3%83%95%e3%82%a3%e3%83%9c%e3%83%8a%e 3%83%83%e3%83%81%e6%95%b0%e3%81%ae%e7%b7%8f%e5%92%8c%ef%bc%88square869120contest%ef%bc%89]
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