500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Hard
Category: low_latency
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: lock-free, atomic, fetch-add, timestamp-log, low_latency, concurrency
High-frequency trading (HFT) systems require high-throughput, low-latency event logs for post-trade analysis and latency measurement. A lock-free, append-only log avoids mutex contention by using an atomic fetch_add operation, allowing multiple threads to claim unique write slots concurrently. This pattern is fundamental to high-performance systems for ensuring data integrity without serialization bottlenecks. Task Implement the LockFreeLog struct with the following methods: bool append(long
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