The interview is a sale. If you want to sell yourself, you have to praise yourself, show your strengths, and show everything.
Basic knowledge is prepared. did not ask
I forgot to prepare for self-introduction.
I asked some unexpected things and I didn't prepare to say it badly. Let me introduce how the XXX competition is. Answer: I said a lot in a silly way, but I didn't make the point clearly.
Experience: Prepare everything on your resume, no matter what it is. And make the key points clear
Question: Tail adjustment algorithm? Answer: I haven't learned about it. It's actually a kind of recursion. Why don't I ask what it is like?
Experience: If you don’t understand, just ask what it is like.
Finally, ask the interviewer some questions.