Darbar 437 — Longest Nice Substring
Easy
Darbar · String
Catalog slot 437 of 548 (source id 377). Topic string / bit manipulation.
Solve on LeetCode: Longest Nice Substring. 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: Advanced and interview fusion (weeks 61-90, slots 361-470). Warmup: Classic DP and greedy patterns. Exam: Mixed 4-problem block mirroring a real interview.
Also filed under: bit manipulation / hashing, bit manipulation / sliding window, string / sliding window.
Evidence (cookiecutter problem_437.md)
- Attempt log (approaches that failed)
- Final complexity (time and space)
- One mistake corrected
- Production concept this slot reinforces
Personal dates and the CSV tracker stay in the learner journal.
Same subtopic
- Count The Number Of Consistent Strings · easy
- Find The Difference · easy
- Add Binary · easy
- Letter Case Permutation · medium
Darbar slot 437 of Tensor-to-Tenant · Previous · Next.