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The only way is to practise regularly. "Studying" like a few days before the interview schedule is not going to help
And most importantly, ask such prospective employers why they need an intermediate to advanced level of skill set when it comes to DSA. They probably don't know better and think they are cool for no reason. Most of such employers will only offer you jobs where you need to build some kind of frontend/backend that doesn't require you to build everything from scratch
mann.. 5 years after graduating , and i still feel that dsa rounds are one tough cookie.
i didn't do dsa for last 5 uears as i was busy in my daily dev life. then recently i planned for a switchz started preparing ds algo, got myself into a classroom course and now its been over 1 month and stuff just ... flies out of mind
like, our class has only covered arrays , searching sorting and string based questions till now. and since my interview is tomorrow i thought of going back to the classroom notes and revise all the questions.
and i can hardly remember 10/50!
I clearly remember understanding those questions well, putting comments and examples on the functions and doing them on my own without copying teachers code.
now all those notes are taking time to get back into memory. feels like i am dependent on checking tthe solution again n again to complete the problem.
this is truly scary. as of now i don't even had classes for advanced topics like recursion tres or graphs. the course will probably cover 400-500 problems.
if i go blank state after not doing these questions for a few months. how am i supposed to crack coding interviews which are usually scheduled within 2-3 days of notice?
rant