ByteDance

The interviewer firstly asked me about my personal background and projects I had done. Then, he asked me to solve an algorithm problem. After seeing that I did not do well on that problem, he hurriedly wrapped up the interview.

Machine learning knowledge and code. - LeetCode (medium, hard with Python) - AUC definition - Methods for dealing with long-tailed data - Causal inference - Machine learning questions - Deep learning methods such as attention mechanisms

2 min self-introduction Java HashMap source code JVM and GC Network: TCP TIME_WAIT / differences between TCP and UDP Database: MySQL clustered index / how to prevent phantom read Algorithm: Find longest common substring (15 min)