Contents

defmodule Alphametics do
  @type puzzle :: binary
  @type solution :: %{required(?A..?Z) => 0..9}

  @doc """
  Takes an alphametics puzzle and returns a solution where every letter
  replaced by its number will make a valid equation. Returns `nil` when
  there is no valid solution to the given puzzle.

  ## Examples

      iex> Alphametics.solve("I + BB == ILL")
      %{?I => 1, ?B => 9, ?L => 0}

      iex> Alphametics.solve("A == B")
      nil
  """
  @spec solve(puzzle) :: solution | nil
  def solve(puzzle) do
  end
end

Version data entries

66 entries across 66 versions & 1 rubygems

Version	Path
trackler-2.2.1.119	tracks/elixir/exercises/alphametics/alphametics.exs
trackler-2.2.1.118	tracks/elixir/exercises/alphametics/alphametics.exs
trackler-2.2.1.117	tracks/elixir/exercises/alphametics/alphametics.exs
trackler-2.2.1.116	tracks/elixir/exercises/alphametics/alphametics.exs
trackler-2.2.1.115	tracks/elixir/exercises/alphametics/alphametics.exs
trackler-2.2.1.114	tracks/elixir/exercises/alphametics/alphametics.exs