Initial data commit

Task/Sorting-algorithms-Cocktail-sort-with-shifting-bounds/Swift/sorting-algorithms-cocktail-sort-with-shifting-bounds.swift

@@ -0,0 +1,40 @@
+func cocktailShakerSort<T: Comparable>(_ a: inout [T]) {
+    var begin = 0
+    var end = a.count
+    if end == 0 {
+        return
+    }
+    end -= 1
+    while begin < end {
+        var new_begin = end
+        var new_end = begin
+        var i = begin
+        while i < end {
+            if a[i + 1] < a[i] {
+                a.swapAt(i, i + 1)
+                new_end = i
+            }
+            i += 1
+        }
+        end = new_end
+        i = end
+        while i > begin {
+            if a[i] < a[i - 1] {
+                a.swapAt(i, i - 1)
+                new_begin = i
+            }
+            i -= 1
+        }
+        begin = new_begin
+    }
+}
+
+var array = [5, 1, -6, 12, 3, 13, 2, 4, 0, 15]
+print("before: \(array)")
+cocktailShakerSort(&array)
+print(" after: \(array)")
+
+var array2 = ["one", "two", "three", "four", "five", "six", "seven", "eight"]
+print("before: \(array2)")
+cocktailShakerSort(&array2)
+print(" after: \(array2)")