this is a volunteer forum. You are not speaking with Apple here and Apple does not respond to posts made here.
if you have the standard warranty screen cracks are not covered and you are out of pocket for the expense to repair them.
an extended Apple Care warranty covers two instances of accidental damage where the damage can be repaired for a lower cost, however if your standard warranty is passed this is no longer an option.
Call 1-800-MY-APPLE in North America or go to apple.com/contact for a list of international phone numbers.