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Coding · System design
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Given a list of directed edges representing relationships between nodes, find the length of the longest directed path in the graph. A directed path is…
Companies: Oscar Health
Last reported Sep 2026
Large file transfers with small metadata transactions: resumable uploads, offline conflicts, reliable change feeds, and shared subtrees whose permissions change as files move.
Companies: Oscar Health, Amazon, Apple, Autodesk +17
access-control · change-data-capture · conflict-resolution · data-versioning
Last reported Jul 2026
Convert each word into its Morse-code string by concatenating the fixed per-letter encodings, and return how many distinct transformations appear across the list — a…
Companies: Oscar Health
Last reported Mar 2026