Data commit

Task/Sorting-algorithms-Shell-sort/Scala/sorting-algorithms-shell-sort.scala

@@ -0,0 +1,27 @@
+object ShellSort {
+  def incSeq(len:Int)=new Iterator[Int]{
+    private[this] var x:Int=len/2
+    def hasNext=x>0
+    def next()={x=if (x==2) 1 else x*5/11; x}
+  }
+
+  def InsertionSort(a:Array[Int], inc:Int)={
+    for (i <- inc until a.length; temp=a(i)){
+      var j=i;
+      while (j>=inc && a(j-inc)>temp){
+        a(j)=a(j-inc)
+        j=j-inc
+      }
+      a(j)=temp
+    }
+  }
+
+  def shellSort(a:Array[Int])=for(inc<-incSeq(a.length)) InsertionSort(a, inc)
+
+  def main(args: Array[String]): Unit = {
+    var a=Array(2, 5, 3, 4, 3, 9, 3, 2, 5, 4, 1, 3, 22, 7, 2, -5, 8, 4)
+    println(a.mkString(","))
+    shellSort(a)
+    println(a.mkString(","))
+  }
+}