Data commit

Task/Identity-matrix/C-sharp/identity-matrix.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Linq;
+
+namespace IdentityMatrix
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length != 1)
+            {
+                Console.WriteLine("Requires exactly one argument");
+                return;
+            }
+            int n;
+            if (!int.TryParse(args[0], out n))
+            {
+                Console.WriteLine("Requires integer parameter");
+                return;
+            }
+
+            var identity =
+                Enumerable.Range(0, n).Select(i => Enumerable.Repeat(0, n).Select((z,j) => j == i ? 1 : 0).ToList()).ToList();
+            foreach (var row in identity)
+            {
+                foreach (var elem in row)
+                {
+                    Console.Write(" " + elem);
+                }
+                Console.WriteLine();
+            }
+            Console.ReadKey();
+        }
+    }
+}