Multiplying percentage / getting percentage of int

Question

Trying to find 25% of time2 - time1.
How do you find a percentage of an int?

class Program
{
    public const int minsInHour = 60;
    public const int hunPart = 100;
    public const double delay = .25;
    static void Main()
    {
        // Variable declarations

        int time1 = 0;
        int time2 = 0;
        int hours1 = 0;
        int hours2;
        int mins1 = 0;
        int mins2 = 0;
        int newTime = 0;

        string txt;

        while (true)
        {
            Console.WriteLine("Enter your departure time: ");
            txt = Console.ReadLine();
            time1 = int.Parse(txt);
            mins1 = time1 % hunPart;
            hours1 = time1 /hunPart * minsInHour;
            if (time1 < 1441) break;
        }

        while (true)
        {
            Console.WriteLine("Enter your usual arrival time: ");
            txt = Console.ReadLine();
            time2 = int.Parse(txt);
            mins2 = time2 % hunPart;
            hours2 = time2 /hunPart * minsInHour;
            if (time2 < 2401) break;
        }


        time1 = hours1 + mins1;
        time2 = hours2 + mins2;

        int trafficDelay = Convert.ToInt16(delay);

        newTime = time2 - time1 * trafficDelay;

        Console.WriteLine("{0}", time1);
        Console.WriteLine("{0}", time2);
        Console.WriteLine("{0}", newTime);

        Console.ReadLine();

thanks!!

Answer 1

Use a TimeSpan object to calculate elapsed time measurements.

TimeSpan Structure (.NET Framework 4)

It has a TotalMinutes property that returns a double.

        static Double Subtract(DateTime dt1, DateTime dt2, double delay)
        {
            TimeSpan span = dt1 - dt2;
            return span.TotalMinutes * delay;
        }

Rudy   =8^D

---

Mark the best replies as answers. "Fooling computers since 1971."

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Answer 2

Thank you, but that doesn't answer my question.

I'm trying to display the result as an int, anyway.

Console.WriteLine("{0:d4}", newTime);

like so.

Thank you!

Answer 3

        static int Subtract(DateTime dt1, DateTime dt2)
        {
            TimeSpan span = dt1 - dt2;
            return Convert.ToInt32(span.TotalMinutes/4);
        }

---

Mark the best replies as answers. "Fooling computers since 1971."

http://thesharpercoder.blogspot.com/

Answer 4

There are types in the .NET Framework that can perform time calculations.

http://msdn.microsoft.com/en-us/library/system.datetime.aspx

Rudy   =8^D

---

Mark the best replies as answers. "Fooling computers since 1971."

http://thesharpercoder.blogspot.com/