@HenryWHHackv2.1.1 I am currently a high-schooler taking part in many competitions and one of the best ways to study is to work through previous year's practice problems and try and figure them out yourself.
But, when I get stuck, I try to stop myself from looking at the solution because that basically wastes the problem.
I understand that getting hints to solving the problem might be better, but there is no SE that I can post to get