While loop C++

[lolicon123]

so if the user enters let's say 636 the program will subtract 100 each time until summa is < 100 and then print out summa which would in this case be 36
this aint working thought any ideas on what i did wrong? oh and i was thinking too use i++ to record how many times it subtract 100 from 636 it should work right? since it should add 1 each time summa gets reduced by 100

note: not the whole code just the one i'm getting error from




while (summa > 100)
{

(summa - 100);
i++;
}


cout << summa << endl;

[Danne206]

I have no idea how to do this in C++, but in C#, I'd do something similar:

 Console.WriteLine("Enter a number: "); //Tells the user to enter a value
            int summa = int.Parse(Console.ReadLine()); //Read the int with ReadLine(), had to do it like this, string wont work
            while (summa > 100)
            {
                summa = summa - 100; //subtract summa with 100 each time it's > 100
            }
            Console.WriteLine(summa); //Write the value of summa when it's < 100

You can probably port this to C++ easily.

EDIT: Example:

Enter a number:
891
91
Press any key to continue . . .

EDIT2: Hope I did understand everything right. And to any other C# programmer, this is probably a bad way to do it, just like everything else I program. Live with it - it works.

[Tigurius]

Try:
Change:
(summa - 100);
to
summa -= 100;