Submission #17275453

---

Source Code Expand

defmodule Main do
  def main do
    n = IO.read(:line) |> String.trim() |> String.to_integer()

#    1..n
#    |> Enum.reduce([], fn _, acc ->
#      d = IO.read(:line) |> String.trim() |> String.to_integer()
#      [d | acc]
#    end)
    for(_ <- 1..n, do: IO.read(:line) |> String.trim() |> String.to_integer())
    |> solve()
    |> IO.puts()
  end

  @doc ~S"""
  https://atcoder.jp/contests/abc085/tasks/abc085_b

  ## Examples

      iex> Abc085B.solve([10, 8, 8, 6])
      3
      iex> Abc085B.solve([15, 15, 15])
      1
      iex> Abc085B.solve([50, 30, 50, 100, 50, 80, 30])
      4

  """
  def solve(list), do: MapSet.new(list) |> MapSet.size()
end

Submission Info

Judge Result