Count sort vs bucket sort
Count sort vs bucket sort is a DSA topic. In plain words you use it for names A→Z in the roll list. Don’t start with a slogan — start with that picture.
Smallest example: n log n vs n². Type it, run it, and say what you see. If you can do that from memory, you know Count sort vs bucket sort.
From the example next to this theory — Count sort vs bucket sort: dry-run [4, 1, 3].
Trap — unstable sort when equal keys matter. Fix that before you talk about advanced DSA.
Viva — what is Count sort vs bucket sort? Then show n log n vs n². Then name the trap.
Exam tip
What is Count sort vs bucket sort? Show this: n log n vs n². Trap: unstable sort when equal keys matter.