PUMaC 2024 · 团队赛 · 第 9 题

PUMaC 2024 — Team Round — Problem 9

Define a sequence called the 2020-nacci sequence. It is defined as followed: If n ≤ 2020 then P n − 1 S = 1, if n > 2020 then S = S . Find the last 2 digits of S . n n i 4040 i = n − 2020

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