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author | Joe Zhao <ztuowen@gmail.com> | 2015-03-31 23:41:55 +0800 |
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committer | Joe Zhao <ztuowen@gmail.com> | 2015-03-31 23:41:55 +0800 |
commit | a9abc1da41b56edbed00081800382e854d6698d0 (patch) | |
tree | 5265cc1c5296768438b67299afd59bcc57c58f0c /h10.hs | |
parent | 378f6303e8860b7bbca7dea787d584a6728cebf1 (diff) | |
download | h99-a9abc1da41b56edbed00081800382e854d6698d0.tar.gz h99-a9abc1da41b56edbed00081800382e854d6698d0.tar.bz2 h99-a9abc1da41b56edbed00081800382e854d6698d0.zip |
rename to H**, +31 +32 +33 +34 +35 +36
Diffstat (limited to 'h10.hs')
-rw-r--r-- | h10.hs | 20 |
1 files changed, 0 insertions, 20 deletions
@@ -1,20 +0,0 @@ -import Control.Applicative -import Control.Arrow -import Data.List - -encode :: Eq a => [a] -> [(a,Int)] -encode = foldr elim [] - where - elim e [] = [(e,1)] - elim e p@(n:ns) - | e == fst n = (e,1 + (snd n)):ns - | otherwise = (e,1):p - -encode' (x:xs) = let (first,rest) = span (==x) xs - in (x,1+(length first)) : encode' rest - -encode' [] = [] - -encode'' xs = map (head &&& length) $ group xs - -encode''' xs = map ((,) <$> head <*> length) $ group xs |