ABC134C - Exception Handling

問題

https://atcoder.jp/contests/abc134/tasks/abc134_c

回答

defmodule Main do
  def main do
    :stdio
    |> IO.read(:all)
    |> solve()
    |> IO.puts()
  end

  defp split_lines(lines) do
    lines
    |> String.trim()
    |> String.split("\n")
  end

  def solve(input) do
    [_ | a] =
      input
      |> String.trim()
      |> split_lines()
      |> Enum.map(&String.to_integer/1)

    a_max = Enum.max(a)

    if Enum.count(a, &(&1 == a_max)) > 1 do
      List.duplicate(a_max, Enum.count(a))
    else
      a
      |> Enum.map(fn a_i ->
        if a_i == a_max do
          a
          |> Enum.sort()
          |> Enum.at(-2)
        else
          a_max
        end
      end)
    end
    |> Enum.join("\n")
  end
end

"""
3
1
4
3
"""
|> Main.solve()
|> then(&(&1 == ~S(4
3
4)))

"""
2
5
5
"""
|> Main.solve()
|> then(&(&1 == ~S(5
5)))