Initial data commit

Task/URL-decoding/C-sharp/url-decoding.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace URLEncode
+{
+    internal class Program
+    {
+        private static void Main(string[] args)
+        {
+            Console.WriteLine(Decode("http%3A%2F%2Ffoo%20bar%2F"));
+        }
+
+        private static string Decode(string uri)
+        {
+            return Uri.UnescapeDataString(uri);
+        }
+    }
+}