500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Easy
Category: data_structures
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: hash-map, open-addressing, linear-probing, data_structures, static, no-heap
High-frequency trading (HFT) systems require deterministic, low-latency data structures for caching instrument metadata. A static hash map with a compile-time fixed capacity and linear probing for collision resolution is a common pattern to achieve this. By avoiding dynamic memory allocation entirely, this design eliminates allocator latency and ensures predictable performance, a critical requirement in latency-sensitive trading applications. Task Implement a StaticHashMap class with a fixed ca
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