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view Test.hs @ 4493:3a62de2180a7
<ion> rm bin/instalist; ln -s print_args_or_input bin/instalist
author | HackBot |
---|---|
date | Sat, 22 Feb 2014 02:39:01 +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