Initial data commit

Task/Sorting-algorithms-Counting-sort/C-sharp/sorting-algorithms-counting-sort.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Linq;
+
+namespace CountingSort
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Random rand = new Random();                                   // Just for creating a test array
+            int[] arr = new int[100];                                     // of random numbers
+            for (int i = 0; i < 100; i++) { arr[i] = rand.Next(0, 100); } // ...
+
+            int[] newarr = countingSort(arr, arr.Min(), arr.Max());
+        }
+
+        private static int[] countingSort(int[] arr, int min, int max)
+        {
+            int[] count = new int[max - min + 1];
+            int z = 0;
+
+            for (int i = 0; i < count.Length; i++) { count[i] = 0; }
+            for (int i = 0; i < arr.Length; i++) { count[arr[i] - min]++; }
+
+            for (int i = min; i <= max; i++)
+            {
+                while (count[i - min]-- > 0)
+                {
+                    arr[z] = i;
+                    z++;
+                }
+            }
+            return arr;
+        }
+    }
+}