Initial data commit

Task/Nth/C-sharp/nth-1.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Linq;
+
+class Program
+{
+    private static string Ordinalize(int i)
+    {
+        i = Math.Abs(i);
+
+        if (new[] {11, 12, 13}.Contains(i%100))
+            return i + "th";
+
+        switch (i%10)
+        {
+            case 1:
+                return i + "st";
+            case 2:
+                return i + "nd";
+            case 3:
+                return i + "rd";
+            default:
+                return i + "th";
+        }
+    }
+
+    static void Main()
+    {
+        Console.WriteLine(string.Join(" ", Enumerable.Range(0, 26).Select(Ordinalize)));
+        Console.WriteLine(string.Join(" ", Enumerable.Range(250, 16).Select(Ordinalize)));
+        Console.WriteLine(string.Join(" ", Enumerable.Range(1000, 26).Select(Ordinalize)));
+    }
+}