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<kmc> printf \'echo "$1" | /hackenv/lib/c++decl\\n\' > bin/c++decl && chmod +x bin/c++decl
author HackBot
date Sun, 09 Feb 2014 02:02:26 +0000
parents 1baee8e6ee55
children
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import Data.List(inits);main = let p = 1 : zipWith (+) (map (*4) p) (map (sum . zipWith (*) p . reverse) (inits p)) in print $ p !! 1000