Darbar 029 — Subrectangle Queries

Medium

Darbar · Array

Catalog slot 29 of 548 (source id 273). Topic array / matrix.

Solve on LeetCode: Subrectangle Queries. 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_029.md)

1. Attempt log (approaches that failed)
2. Final complexity (time and space)
3. One mistake corrected
4. Production concept this slot reinforces

Personal dates and the CSV tracker stay in the learner journal.

Same subtopic

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• Count Negative Numbers In A Sorted Matrix · easy

Array index · Darbar hub

Darbar slot 29 of Tensor-to-Tenant · Previous · Next.