I would like to know what topics that I need to master and which difficulty level problems that I need to do in order to become a specialist. Currently I'm doing 1400 ones and if I will do 1600 ones is that will be good? Thank you.
How to become a specialist
I would like to know what topics that I need to master and which difficulty level problems that I need to do in order to become a specialist. Currently I'm doing 1400 ones and if I will do 1600 ones is that will be good? Thank you.