Initial data commit

Task/Sorting-algorithms-Bubble-sort/Scala/sorting-algorithms-bubble-sort-1.scala

@@ -0,0 +1,16 @@
+def bubbleSort[T](arr: Array[T])(implicit o: Ordering[T]) {
+  import o._
+  val consecutiveIndices = (arr.indices, arr.indices drop 1).zipped
+  var hasChanged = true
+  do {
+    hasChanged = false
+    consecutiveIndices foreach { (i1, i2) =>
+      if (arr(i1) > arr(i2)) {
+        hasChanged = true
+        val tmp = arr(i1)
+        arr(i1) = arr(i2)
+        arr(i2) = tmp
+      }
+    }
+  } while(hasChanged)
+}

Task/Sorting-algorithms-Bubble-sort/Scala/sorting-algorithms-bubble-sort-2.scala

@@ -0,0 +1,14 @@
+import scala.annotation.tailrec
+
+def bubbleSort(xt: List[Int]) = {
+  @tailrec
+  def bubble(xs: List[Int], rest: List[Int], sorted: List[Int]): List[Int] = xs match {
+    case x :: Nil =>
+      if (rest.isEmpty) x :: sorted
+      else bubble(rest, Nil, x :: sorted)
+    case a :: b :: xs =>
+      if (a > b) bubble(a :: xs, b :: rest, sorted)
+      else       bubble(b :: xs, a :: rest, sorted)
+  }
+  bubble(xt, Nil, Nil)
+}