Day 4: The Ideal Stocking Stuffer

Section

input = "iwrupvqb"

Stream.iterate(1, &(&1 + 1))
|> Enum.find(fn n ->
  string = input <> Integer.to_string(n)
  hash = :crypto.hash(:md5, string) |> Base.encode16(case: :lower)
  String.starts_with?(hash, "00000")
end)

346386

input = "iwrupvqb"

Stream.iterate(1, &(&1 + 1))
|> Enum.find(fn n ->
  string = input <> Integer.to_string(n)
  hash = :crypto.hash(:md5, string) |> Base.encode16(case: :lower)
  String.starts_with?(hash, "000000")
end)

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