Darbar 291 — Top K Frequent Words

Medium

Darbar · Heap

Catalog slot 291 of 548 (source id 731). Topic heap / simple heap.

Solve on LeetCode: Top K Frequent Words. Do not treat this page as a statement dump.

Aligned T2T band: weeks 31–45. Start at Week 31. Full map: Darbar hub.

Pattern block: Data-structure mastery (weeks 46-60, slots 281-360). Warmup: Standard-library structure drills. Exam: Structure-selection exam with 2-3 advanced problems.

Also filed under: heap / counting, heap / hashing, trie / sorting.

Triangulation — Heap: Darbar speed is Top-K and scheduler problems; Forge depth is Heap invariants and adversarial streams; production artifact is Streaming Top-K / inference batching.

Evidence (cookiecutter problem_291.md)

1. Attempt log (approaches that failed)
2. Final complexity (time and space)
3. One mistake corrected
4. Production concept this slot reinforces

Personal dates and the CSV tracker stay in the learner journal.

Same subtopic

• Maximum Score From Removing Stones · medium
• Seat Reservation Manager · medium
• Remove Stones To Minimize The Total · medium
• Longest Happy String · medium

Heap index · Darbar hub

Darbar slot 291 of Tensor-to-Tenant · Previous · Next.