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Design a data structure to track chunk acknowledgments for a large file being uploaded in sequentially numbered, potentially out-of-order chunks. The structure must support initializing from a given chunk, acknowledging individual chunks, and efficiently querying the smallest unacknowledged chunk number.
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Chunk Upload Acknowledgment Tracker
Reported Jul 29, 2026 · 3 source reports
SENIOR
Source snapshot: Nov 12, 2026
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