I can advise the old-fashioned method of writing cheat sheets. Often, through thoughtful compilation of tips, you can memorize a certain amount of information for a short period. And so, I absolutely agree that they realized it late, dear.
Preparing the day before the exam is a bad idea, your brain simply will not absorb so much information to somehow radically change the grade. Better believe in yourself, remember everything you knew before the exam, and go ahead