Mercurial > repo

view Test.hs @ 4488:9c8449758bbd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<ion> printf \'%s\\n\' \'if [ "$#" -gt 0 ]; then printf \'\\\'\'%s\\n\'\\\'\' "$*"; else cat; fi\' >bin/print_args_or_input && chmod 755 bin/print_args_or_input
author HackBot
date Sat, 22 Feb 2014 02:25:50 +0000
parents 1baee8e6ee55
children
line wrap: on
line source

import Data.List(inits);main = let p = 1 : zipWith (+) (map (*4) p) (map (sum . zipWith (*) p . reverse) (inits p)) in print $ p !! 1000