Find earliest supporting dependency version

Q: Find earliest supporting dependency version

This question evaluates a candidate's ability to design efficient search algorithms and reason about algorithmic complexity under constraints such as non-monotonic predicate behavior and a rate-limited black-box API.

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Given a list of dependency versions (e.g. [103.003.02, 103.003.03, 203.003.02]) and a black-box API isSupported(v), design an algorithm to find the earliest (lowest) version that supports a target feature. 2) Versions follow {major}.{minor}.{patch}. Support is not monotonic: a higher version may drop support, but it is guaranteed that some later version will support again. The API is rate-limited, so total calls must be sub-linear to the number of versions. Devise a strategy—e.g., group by latest patch per major, binary-search majors, then minors, then patches—to minimize API usage while reliably returning the earliest supporting version.

Find earliest supporting dependency version

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