500+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
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Difficulty: Medium
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: crc32, checksum, sse4.2, low_latency, packet-processing, hash
Market data gateways in low-latency trading systems verify incoming packets with a CRC32 checksum to detect transmission errors. While hardware instructions like SSE4.2 accelerate this, this problem requires implementing the equivalent standard, bit-by-bit scalar algorithm. This ensures data integrity for critical financial data feeds. Task Implement the function crc32_16bit(const uint8_t data, int n) that calculates the standard CRC32 checksum for a given byte array. The calculation must use t
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