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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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14
Task/Sorting-algorithms-Pancake-sort/Haskell/sorting-algorithms-pancake-sort-1.hs Normal file
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import Data.List
import Control.Arrow
import Control.Monad
import Data.Maybe
dblflipIt :: (Ord a) => [a] -> [a]
dblflipIt = uncurry ((reverse.).(++)). first reverse
. ap (flip splitAt) (succ. fromJust. (elemIndex =<< maximum))
dopancakeSort :: (Ord a) => [a] -> [a]
dopancakeSort xs = dopcs (xs,[]) where
dopcs ([],rs) = rs
dopcs ([x],rs) = x:rs
dopcs (xs,rs) = dopcs $ (init &&& (:rs).last ) $ dblflipIt xs

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Task/Sorting-algorithms-Pancake-sort/Haskell/sorting-algorithms-pancake-sort-2.hs Normal file
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*Main> dopancakeSort [3,2,1,0,2]
[0,1,2,2,3]