Sha256: 8a33310411539efb1852967170626fd698e4a9ab58d88a3a9a9e4580d3e97231
Contents?: true
Size: 530 Bytes
Versions: 66
Compression:
Stored size: 530 Bytes
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