The reality is, algorithm and data structure interview questions should be really easy---as long as you have some warning, good prep material and context for what interviewers are really want to see.

LeetCode is super important for coding interviews because lots of big tech companies use its style of problems. Getting good ...

Learn when and how to use different data structures and their algorithms in your own code. This is harder as a student, as the problem assignments you'll work through just won't impart this knowledge.