AdventOfCode/2020/elixir/day6/day6part1.exs

18 lines
339 B
Elixir

defmodule Day6Part1 do
def run do
File.stream!("input")
|> Stream.chunk_by(&(&1 == "\n"))
|> Stream.map(fn group ->
group
|> Enum.join()
|> String.to_charlist()
|> Enum.frequencies()
|> Map.delete(?\n)
|> Enum.count()
end)
|> Enum.sum()
|> IO.puts()
end
end
Day6Part1.run()