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Difficulty: Hard
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: data_structures, optimization, low_latency, c++
Sparse sets provide a cache-efficient mechanism for managing subsets of bounded integer identifiers, crucial for high-frequency trading systems where minimizing latency and memory fragmentation is paramount. By maintaining a dense array of active elements alongside a sparse index map, this structure guarantees O(1) time complexity for insertion, deletion, lookup, and clearing operations while enabling contiguous memory iteration. Task Implement the SparseSet class to manage a collection of non-
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