Darbar 294 — Constrained Subsequence Sum

Hard

Darbar · Heap

Catalog slot 294 of 548 (source id 822). Topic heap / sliding window.

Solve on LeetCode: Constrained Subsequence Sum. 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 / queue based.

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_294.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

• Jump Game Vi · medium
• Max Value Of Equation · hard
• Sliding Window Maximum · hard
• Sliding Window Median · hard

Heap index · Darbar hub

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