optimise files

CS/15.3/Program.cs

@@ -0,0 +1,26 @@
+namespace _15._3
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            const string s4 = "    ";
+            int nYear = DateTime.Today.Year;
+            int nMonth = DateTime.Today.Month;
+            DateTime d1 = new DateTime(nYear, nMonth, 1);
+            Console.WriteLine("{0}/{1}", d1.Year, d1.Month);
+            Console.WriteLine("SUN MON TUE WED THU FRI SAT");
+            int iWeek = (int)d1.DayOfWeek;
+            int iLastDay = d1.AddMonths(1).AddDays(-1).Day;
+            for (int i = 0; i < iWeek; i++)
+            {
+                Console.Write(s4);
+            }
+            for (int i = 1; i <= iLastDay; i++)
+            {
+                Console.Write(" {0:00} ", i);
+                if ((i + iWeek) % 7 == 0) Console.WriteLine();
+            }
+        }
+    }
+}