Data commit

Task/Evaluate-binomial-coefficients/Elixir/evaluate-binomial-coefficients.elixir

@@ -0,0 +1,11 @@
+defmodule RC do
+  def choose(n,k) when is_integer(n) and is_integer(k) and n>=0 and k>=0 and n>=k do
+    if k==0, do: 1, else: choose(n,k,1,1)
+  end
+
+  def choose(n,k,k,acc), do: div(acc * (n-k+1), k)
+  def choose(n,k,i,acc), do: choose(n, k, i+1, div(acc * (n-i+1), i))
+end
+
+IO.inspect RC.choose(5,3)
+IO.inspect RC.choose(60,30)