Initial data commit

Task/Sorting-algorithms-Pancake-sort/Ruby/sorting-algorithms-pancake-sort.rb

@@ -0,0 +1,22 @@
+class Array
+  def pancake_sort!
+    num_flips = 0
+    (self.size-1).downto(1) do |end_idx|
+      max     = self[0..end_idx].max
+      max_idx = self[0..end_idx].index(max)
+      next if max_idx == end_idx
+
+      if max_idx > 0
+        self[0..max_idx] = self[0..max_idx].reverse
+        p [num_flips += 1, self]  if $DEBUG
+      end
+
+      self[0..end_idx] = self[0..end_idx].reverse
+      p [num_flips += 1, self]  if $DEBUG
+    end
+    self
+  end
+end
+
+p a = (1..9).to_a.shuffle
+p a.pancake_sort!