99 Elm Problems/Problem 86

Node degree and graph coloration / 86.a) Calculate the degree of a node in a graph.

86.b) List all nodes of a graph sorted by degree. / 86.c) Use Welch-Powell's algorithm to paint the nodes of a graph in such a way that adjacent nodes have different colors.

# # # 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))