Ringing up Cambridge on Results day 2020Watch
Seriously, unless you have been notified that you are eligible for Adjustment - in which case, you will need to follow the instructions you were sent in your rejection email in January - there is no possibility of us taking you in this way.
I am sorry, as I'm sure this isn't what you want to hear. If you do well and want to take a year out to reapply, by all means do. But you're most likely holding an offer from a great university as a firm choice and would do very well there.