Darbar 469 — Substrings Of Size Three With Distinct Characters
Easy
Darbar · String
Catalog slot 469 of 548 (source id 369). Topic string / sliding window.
Solve on LeetCode: Substrings Of Size Three With Distinct Characters. 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: hash table / sliding window.
Evidence (cookiecutter problem_469.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
- Longest Nice Substring · 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 469 of Tensor-to-Tenant · Previous · Next.