class Program
    {
        static void Main(string[] args)
        {
            System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();

            sw.Start();
            for (int i = 0; i < 50000000; i++)
            {
                //Code
            }
            sw.Stop();

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