added problem 1 and 2

problem1/smith.exs

@@ -0,0 +1,19 @@
+defmodule Euler do
+	defp _multiple_of_3_or_5(num) do
+		cond do
+			rem(num, 3) == 0 -> true
+			rem(num, 5) == 0 -> true
+			true ->
+				false
+		end
+	end
+	def run(num) do
+		Enum.to_list(1..(num-1))
+			|> Enum.filter( &(_multiple_of_3_or_5(&1)) )
+			|> Enum.sum
+	end
+end
+
+# IO.puts Euler.run(10)
+IO.puts Euler.run(1000)
+# IO.puts Euler.run(10_000_000)

problem2/smith.exs

@@ -0,0 +1,18 @@
+defmodule Euler do
+
+  defp _lperms([]), do: [[]]
+  defp _lperms([head|tail]) do
+    for new_head <- [head|tail], 
+    	# get all perms of list - past perm
+      # i.e [[0,1,2], [1,0,2]] -- [[0,1,2]] 
+    	new_tail <- _lperms([head|tail] -- [new_head]), 
+    do: [new_head | new_tail]
+  end
+
+  def run(range) do 
+  	_lperms(Enum.to_list(range))
+  end
+end
+
+IO.inspect Euler.run(0..9) 
+			|> Enum.at(1_000_000 - 1 ) # zero correction