Create min_avg_two_sclices.rb

Author: rehan-akmal

min_avg_two_sclices.rb

@@ -0,0 +1,22 @@
+def solution(a)
+  min_starting_point = 0
+  min = nil
+  a.each_with_index do |element, index|
+    if index < a.length-2
+      avg2 = (a[index] + a[index+1])/2.to_f
+      avg3 = (a[index] + a[index+1] + a[index+2])/3.to_f
+      curr_min  = [avg2, avg3].min
+      if min.nil? || min > curr_min
+        min = curr_min
+        min_starting_point = index
+      end
+    end
+  end
+
+  avg2 = (a[a.length-2] + a[a.length-1])/2.to_f
+  if (min && avg2 < min)
+    min_starting_point = a.length-2
+  end
+
+  min_starting_point
+end