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Refactor for readability

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This commit is contained in:
Adam Millerchip 2020-12-06 16:03:34 +09:00
parent d11d007be9
commit 3e0f4451e0
1 changed files with 7 additions and 5 deletions
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12
day6/day6part2.exs
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@ -3,12 +3,14 @@ defmodule Day6Part2 do
File.stream!("input") File.stream!("input")
|> Stream.chunk_by(&(&1 == "\n")) |> Stream.chunk_by(&(&1 == "\n"))
|> Stream.map(fn group -> |> Stream.map(fn group ->
frequencies = group |> Enum.join() |> String.to_charlist() |> Enum.frequencies() {count, frequencies} =
group
|> Enum.join()
|> String.to_charlist()
|> Enum.frequencies()
|> Map.pop(?\n)
count = frequencies[?\n] Enum.count(frequencies, fn {_, v} -> v == count end)
Map.delete(frequencies, ?\n)
|> Enum.count(fn {_, v} -> v == count end)
end) end)
|> Enum.sum() |> Enum.sum()
|> IO.puts() |> IO.puts()