commit => elixir_fibonacci.exs , ruby_fibonacci_recursive.rb

fibonacci_series/Elixir/elixir_fibonacci.exs

@@ -0,0 +1,29 @@
+defmodule Fibonacci do
+  def generate(num) when num <= 0 do
+    IO.puts "Invalid number supplied."
+  end
+
+  def generate(num) do
+    generate_sequence(num, 0, 1)
+  end
+
+  defp generate_sequence(0, _num_one, _num_two) do
+    :ok
+  end
+
+  defp generate_sequence(num, num_one, num_two) do
+    IO.write("#{num_one} ")
+    generate_sequence(num - 1, num_two, num_one + num_two)
+  end
+end
+
+defmodule Main do
+  def run do
+    IO.write("Enter amount of numbers needed from the fibonacci series: ")
+    input = IO.gets("") |> String.trim()
+    num = String.to_integer(input)
+    Fibonacci.generate(num)
+  end
+end
+
+Main.run()

fibonacci_series/Ruby/ruby_fibonacci_recursive.rb

@@ -0,0 +1,18 @@
+def fib(n, memo = {0 => 0, 1 => 1, 2 => 1})
+  memo[n] ||= fib(n - 1, memo) + fib(n - 2, memo)
+end
+
+def fibonacci_series(num)
+  if num <= 0
+    puts "Invalid number supplied."
+    return
+  end
+
+  (0...num).each do |i|
+    print "#{fib(i)} "
+  end
+end
+
+print "Enter amount of numbers needed from the fibonacci series: "
+num = gets.to_i
+fibonacci_series(num)