class Program

    {

        static void Main(string[] args)

        {

            System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();

            sw.Start();

            for (int i = ; i < ; i++)

            {

                //Code

            }

            sw.Stop();

            Console.WriteLine("Total：" + sw.ElapsedMilliseconds + "ms");

            Console.ReadLine();

        }

    }