ABC042A - 和風いろはちゃんイージー

問題

https://atcoder.jp/contests/abc042/tasks/abc042_a

回答1

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

  defp split_words(words) do
    String.split(words, " ")
  end

  def solve(input) do
    input
    |> String.trim()
    |> split_words()
    |> Enum.sort()
    |> case do
      ["5", "5", "7"] -> "YES"
      _ -> "NO"
    end
  end
end

"""
5 5 7
"""
|> Main.solve()
|> then(&(&1 == "YES"))

"""
7 7 5
"""
|> Main.solve()
|> then(&(&1 == "NO"))