99 Elm Problems/Problem 64
As a preparation for drawing the tree, a layout algorithm is required to determine the position of each node in a rectangular grid. In this layout strategy, the position of a node v is obtained by the following two rules:
# # # 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