using System;
using System.Diagnostics;
 
namespace ConsoleApplication6
{
    internal class Program
    {
        private static void Main()
        {
            Stopwatch s=new Stopwatch();
            int iters = 100;
            double a = 0;
            s.Start();
            for (int q = 0; q < iters; q++)
                for (int i = 0; i < 100000; i++)
                    if (i%2 == 0) a += Math.Sin(i); else a -= Math.Sin(i);
            s.Stop();
            Console.WriteLine("Result: {0}, time: {1}",a,(double)s.ElapsedMilliseconds/1000);
        }
    }
}

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