Initial data commit

Task/Sorting-algorithms-Counting-sort/Elena/sorting-algorithms-counting-sort.elena

@@ -0,0 +1,37 @@
+import extensions;
+import system'routines;
+
+extension op
+{
+    countingSort()
+        = self.clone().countingSort(self.MinimalMember, self.MaximalMember);
+
+    countingSort(int min, int max)
+    {
+        int[] count := new int[](max - min + 1);
+        int z := 0;
+
+        count.populate:(int i => 0);
+
+        for(int i := 0, i < self.Length, i += 1) { count[self[i] - min] := count[self[i] - min] + 1 };
+
+        for(int i := min, i <= max, i += 1)
+        {
+            while (count[i - min] > 0)
+            {
+                self[z] := i;
+                z += 1;
+
+                count[i - min] := count[i - min] - 1
+            }
+        }
+    }
+}
+
+public program()
+{
+    var list := new Range(0, 10).selectBy:(i => randomGenerator.eval(10)).toArray();
+
+    console.printLine("before:", list.asEnumerable());
+    console.printLine("after :", list.countingSort().asEnumerable())
+}