Darbar 360 — First Unique Character In A String
Easy
Darbar · Queue
Catalog slot 360 of 548 (source id 76). Topic queue / hashing.
Solve on LeetCode: First Unique Character In A String. 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: Data-structure mastery (weeks 46-60, slots 281-360). Warmup: Standard-library structure drills. Exam: Structure-selection exam with 2-3 advanced problems.
Triangulation — Hashing: Darbar speed is Frequency and lookup patterns; Forge depth is Consistent/rendezvous hashing; production artifact is Tenant-aware routing and caches.
Evidence (cookiecutter problem_360.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
- (only slot in this subtopic)
Darbar slot 360 of Tensor-to-Tenant · Previous · Next.