Solve substring and top‑K pair problems
Company: LinkedIn
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Onsite
Overview: This multi-part question evaluates algorithm design and data-structure proficiency across string processing (minimum window substring), pair-selection for top‑k products, and LRU cache design with concurrency considerations, situating it in the Coding & Algorithms and Systems/Concurrency domains.
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