19 lines
518 B
Elixir
19 lines
518 B
Elixir
groups = File.read!("input.txt") |> String.split("\n\n")
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groups
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|> Enum.map(&String.replace(&1, "\n", ""))
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|> Enum.map(&String.graphemes(&1))
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|> Enum.map(&MapSet.new(&1))
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|> Enum.map(&Enum.count(&1))
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|> Enum.sum()
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|> IO.inspect()
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groups
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|> Enum.map(&String.split(&1,"\n"))
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|> Enum.map(&Enum.map(&1, fn x -> String.graphemes(x) end))
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|> Enum.map(&Enum.map(&1, fn x -> MapSet.new(x) end))
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|> Enum.map(&Enum.reduce(&1, fn x,y -> MapSet.intersection(x,y) end))
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|> Enum.map(&Enum.count(&1))
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|> Enum.sum()
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|> IO.inspect()
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