Darbar 025 — Richest Customer Wealth
Easy
Darbar · Array
Catalog slot 25 of 548 (source id 269). Topic array / matrix.
Solve on LeetCode: Richest Customer Wealth. 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: Timed routing (weeks 1-15, slots 1-120). Warmup: LeetCode-style easy problems (15 min each). Exam: Weekly timed block, 3-5 problems in 60 minutes.
Evidence (cookiecutter problem_025.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
- Flipping An Image · easy
- Matrix Diagonal Sum · easy
- Count Negative Numbers In A Sorted Matrix · easy
- Subrectangle Queries · medium
Darbar slot 25 of Tensor-to-Tenant · Previous · Next.