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99 Elm Problems/Problem 72
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Given a tree, construct the bottom-up order sequence of the tree nodes. In bottom-up sequence all child nodes must be shown before any of its parent nodes. The bottom-up sequence of tree5 is "gfcdeba"
# # # THIS IS A STUB # # #
Example in Elm:
import Html exposing (text)
import List
f : Int -> Int
-- your implementation goes here
main = text (toString (f 0))
Result:
4
Solutions