411 REFERENCE · Wikibooks
99 Elm Problems/Problem 34
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Calculate Euler's totient function phi(m). Euler's so-called totient function phi(m) is defined as the number of positive integers r (1 <= r < m) that are coprime to m.
# # # 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