Elixir solution to Task 1

1 files changed, 30 insertions, 0 deletions

diff --git a/challenge-238/augiedb/elixir/ch-1.exs b/challenge-238/augiedb/elixir/ch-1.exs
new file mode 100644
index 0000000000..ccdbf7d544
--- /dev/null
+++ b/challenge-238/augiedb/elixir/ch-1.exs
@@ -0,0 +1,30 @@
+# Given an array, output an array of the running sum.
+
+defmodule Runner do
+
+	def running_sum([head | tail], new_list, sum) do
+		sum = sum + head
+		running_sum(tail, new_list ++ [sum], sum)
+	end
+
+	def running_sum([], new_list, _) do
+		new_list
+	end
+end
+
+IO.puts 'Exercise 1: '
+list_of_numbers = [1, 2, 3, 4, 5]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+IO.puts 'Exercise 2: '
+list_of_numbers = [1, 1, 1, 1, 1]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+IO.puts 'Exercise 3: '
+list_of_numbers = [0, -1, 1, 2]
+IO.inspect list_of_numbers
+IO.inspect Runner.running_sum(list_of_numbers, [], 0)
+
+