From e6cc157ff0288e298c0984aabf903bc77cf356e6 Mon Sep 17 00:00:00 2001
From: ricmaps <ricardomapurungajunior@gmail.com>
Date: Mon, 15 Jun 2026 21:49:19 -0300
Subject: [PATCH] Add Josephus Problem in Elixir

---
 archive/e/elixir/josephus-problem.ex | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 archive/e/elixir/josephus-problem.ex

diff --git a/archive/e/elixir/josephus-problem.ex b/archive/e/elixir/josephus-problem.ex
new file mode 100644
index 000000000..2925c6680
--- /dev/null
+++ b/archive/e/elixir/josephus-problem.ex
@@ -0,0 +1,13 @@
+defmodule Josephus do
+  @spec josephus(n :: integer(), k :: integer()) :: integer()
+  def josephus(1, _), do: 1
+  def josephus(n, k), do: Integer.mod(josephus(n - 1, k) + k - 1, n) + 1
+end
+
+with [n, k] <- System.argv(),
+     {n, ""} <- Integer.parse(n),
+     {k, ""} <- Integer.parse(k) do
+  Josephus.josephus(n, k) |> IO.puts()
+else
+  _ -> IO.puts("Usage: please input the total number of people and number of people to skip.")
+end