99 Elm Problems/Problem 55

Construct completely balanced binary trees, that is, the difference of the number of nodes in its left and right subtrees is not greater than one.

# # # 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