Darbar 478 — Sort Characters By Frequency

Medium

Darbar · String

Catalog slot 478 of 548 (source id 336). Topic string / sorting.

Solve on LeetCode: Sort Characters By Frequency. Do not treat this page as a statement dump.

Aligned T2T band: weeks 1–6. Start at Week 1. Full map: Darbar hub.

Pattern block: Mock and personal gauntlet (weeks 91-108, slots 471-548). Warmup: Two-problem blocks (45 min). Exam: Full mock interviews scored on a rubric.

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

Evidence (cookiecutter problem_478.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

• Sorting The Sentence · easy
• Valid Anagram · easy
• Find The Difference · easy
• Find And Replace Pattern · medium

String index · Darbar hub

Darbar slot 478 of Tensor-to-Tenant · Previous · Next.