12 lines
358 B
Elixir
12 lines
358 B
Elixir
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list =
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File.read!("input")
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|> String.trim()
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|> String.split("\n")
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|> Enum.map(&String.to_integer/1)
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[{a, b} | _] = for i <- list, j <- list, i + j == 2020, do: {i, j}
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IO.puts("Part1: #{a} x #{b} = #{a * b}")
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[{a, b, c} | _] = for i <- list, j <- list, k <- list, i + j + k == 2020, do: {i, j, k}
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IO.puts("Part2: #{a} x #{b} x #{c} = #{a * b * c}")
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