jeneshicc https://blog.hatena.ne.jp/jeneshicc/ 落書き、時々落学 https://jeneshicc.hatenadiary.org/ Project Euler Haskell powMod a n m | n < 3 = a^n `mod` m | otherwise = let (q,r) = divMod n 2 aq = powMod a q m in aq*aq*a^r `mod` m main = print $ (powMod 2 7830457 (10^10) * 28433 + 1) `mod` (10^10) 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081120%2F1227140563" title="Problem 97 - 落書き、時々落学" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-11-20 09:22:43 rich https://jeneshicc.hatenadiary.org/entry/20081120/1227140563 1.0 100%