using System;

​

public class Program

{

    public static void Main()

    {

        int maxRepetitions = 5;

        ulong totalNumberOfTicks = 0;

        for (int i = 0; i < maxRepetitions; i++)

        {

            long startTicks = DateTime.Now.Ticks;

            ulong sum = Problem001(1000, 3, 5);

            long ticksTaken = DateTime.Now.Ticks - startTicks;

            totalNumberOfTicks += Convert.ToUInt64(ticksTaken);

            Console.WriteLine("Iteration #{0} of {1}", i + 1, maxRepetitions);

            Console.WriteLine("Calculation: {0}", sum);

            Console.WriteLine("Ticks Taken: {0}", ticksTaken);

            Console.WriteLine();

        }

​

        Console.WriteLine("Averate Ticks Taken: {0}", totalNumberOfTicks / (ulong)maxRepetitions);

    }

​

    private static ulong Problem001(uint limit, params uint[] factors)

    {

        ulong sum = 0;

        for (uint number = 1; number < limit; number++)

        {

            foreach (uint factor in factors)

            {

                if (number % factor == 0)

                {

                    sum += number;

                    break;

                }

            }

        }

​

        return sum;

    }

}