Darbar 281 — Car Pooling
Medium
Darbar · Heap
Catalog slot 281 of 548 (source id 802). Topic heap / prefix sum.
Solve on LeetCode: Car Pooling. Do not treat this page as a statement dump.
Aligned T2T band: weeks 31–45. Start at Week 31. 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.
Also filed under: heap / prefix sum.
Triangulation — Heap: Darbar speed is Top-K and scheduler problems; Forge depth is Heap invariants and adversarial streams; production artifact is Streaming Top-K / inference batching.
Evidence (cookiecutter problem_281.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
- Find Kth Largest Xor Coordinate Value · medium
- Car Pooling · medium
- Get Biggest Three Rhombus Sums In A Grid · medium
- Shortest Subarray With Sum At Least K · hard
Darbar slot 281 of Tensor-to-Tenant · Previous · Next.