Thread: figuring out size of numbers

  1. #16
    Join Date
    Jun 2005

  2. #17
    Registered User
    Join Date
    May 2005
    Toronto, Canada
    I've used atoi() in my code already, so I will use itoa() to go the other way. and the format function won't help. The variable has to be a const char* to be used in one of the functions, so I have to convert it. Casting it gives a run-time read error.


    Everything is relative...

  3. #18
    Magically delicious LuckY's Avatar
    Join Date
    Oct 2001
    Maybe I'm missing something, but why don't you just read the user's input as an integer?
    cout << "Enter a four digit number immediately: ";
    int entry;
    (cin >> entry).get();
    if (!is_four_digits(entry))
      cout << "Yo stupid, I said enter a fo' digit numbah son!" << endl;

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