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language:
Haskell (ghc-7.4.1)
date:
368 days 8 hours ago
link:
visibility:
publicprivateuser'sdeleted
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data Tree a = Node a (Tree a)(Tree a)| Tip
flatten :: Tree a ->[a]
flatten x =(flatten' x)[]
flatten' :: Tree a ->[a]->[a]
flatten' (Node x left right) l =(flatten' left (x:(flatten' right l)))
flatten' Tip l = l
main =putStrLn$show$ flatten $(Node 2(Node 1 Tip Tip)(Node 4(Node 3 Tip Tip) Tip))
