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2013-04-11 01:07:29 -07:00 · 2013-04-11 01:07:29 -07:00 · 68f8f3e56b
commit 68f8f3e56b
parent b83f433714
14735 changed files with 178959 additions and 0 deletions
--- a/Task/Sorting-algorithms-Shell-sort/Ruby/sorting-algorithms-shell-sort.rb
+++ b/Task/Sorting-algorithms-Shell-sort/Ruby/sorting-algorithms-shell-sort.rb
@ -0,0 +1,21 @@
+class Array
+  def shellsort!
+    inc = length / 2
+    while inc != 0
+      inc.step(length-1) do |i|
+        el = self[i]
+        while i >= inc and self[i - inc] > el
+          self[i] = self[i - inc]
+          i -= inc
+        end
+        self[i] = el
+      end
+      inc = (inc == 2 ? 1 : (inc * 5.0 / 11).to_i)
+    end
+    self
+  end
+end
+
+data = [22, 7, 2, -5, 8, 4]
+data.shellsort!
+p data # [-5, 2, 4, 7, 8, 22]