Timer use?

I'm writing a program for my 2nd grade daughter.

She has to do 100 math problems in 2 min's for her class. Now the programming problem I have is how to create a timer that will stop placing new math problems up after 2 mins or any other x number of seconds.

Can anyone help here.

Thanks

You can use funtcion time() defined in <ctime>. Use this function with a NULL argument (or 0) to return the current time in seconds.

Here's a little trick that could check for the elapsed time ( its not 100% accurate in timing though ):

Code:

---

bool loop = true;  // loop variable
int current = time(0);  // get time in seconds
int finish = current + 20; // specify deadline wich is current
                                      // time plus 20 seconds

while(loop)
{
        current = time(0); // update current time
       
            //  ask questions and investigate answers here

        if(finish < current)
                loop = false;
            // if deadline is less than current time ; it means the
          // time's out and we should terminate the "questions loop"
}

---

This will stop asking the questions within the loop after 20 seconds , which is what you want , but she can take her time on the last question though.


hope this helps :)

Perfect, thats what I was looking for...

Appreciate it.