Introduction to Monotonic Stacks

Monotonic Stacks (introduction) is a DSA topic. In plain words you use it for marks stored somehow in a viva board. Don’t start with a slogan — start with that picture.

Smallest example: array vs list vs hash — one line each. Type it, run it, and say what you see. If you can do that from memory, you know Monotonic Stacks (introduction).

From the example next to this theory — Introduction to Monotonic Stacks: dry-run [4, 1, 3].

Trap — reciting names with no cost. Fix that before you talk about advanced DSA.

Viva — what is Monotonic Stacks (introduction)? Then show array vs list vs hash — one line each. Then name the trap.