Darbar 470 — Longest Nice Substring
Easy
Darbar · String
Catalog slot 470 of 548 (source id 370). Topic string / sliding window.
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 / bit manipulation.
Evidence (cookiecutter problem_470.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
- Substrings Of Size Three With Distinct Characters · easy
- Number Of Substrings Containing All Three Characters · medium
- Maximum Number Of Vowels In A Substring Of Given Length · medium
- Maximize The Confusion Of An Exam · medium
Darbar slot 470 of Tensor-to-Tenant · Previous · Next.