Discussion on Solve Me First FP Challenge

6 years ago+ 3 comments

Elixir Template A) Use when there isn't a special first line

defmodule Solution do
  def main() do 
    IO.read(:stdio, :all)
      |> String.split # lines
      |> Enum.map(&String.to_integer(&1)) # integers
      |> Enum.reverse() # reversed integers
      # remember IO.inspect's default limit is 50!
      |> Enum.each(&IO.inspect(&1, limit: :infinity))
  end
end

Solution.main()

Elixir Template B) Use when there is a special first line

defmodule Solution do
  def main() do 
    lines = IO.read(:stdio, :all)
      |> String.split
      
    [first_line | rest_lines] = lines
    
    delimiter = String.to_integer(first_line)
    items = Enum.map(rest_lines, &String.to_integer(&1))

    items
      |> Enum.filter(&(&1 < delimiter))
      |> Enum.each(&IO.puts(&1))
  end
end

Solution.main()

Solutions at https://youtube.com/landonwilkinscolor

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