using System;
using System.Diagnostics;
using System.Threading;
public class Program
{
public static void Main()
// Create new stopwatch.
Console.WriteLine("m");
Stopwatch stopwatch = new Stopwatch();
// Begin timing.
stopwatch.Start();
// Do something.
for (int i = 0; i <200; i++)
Thread.Sleep(1);
}
// Stop timing.
stopwatch.Stop();
// Write result.
Console.WriteLine("Time elapsed: {0}", stopwatch.Elapsed);