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Outcry
Quant Dev Lab
Infrastructure questions, where the right answer is measured rather than argued.
Data structures
The Order Book Engine
Write a real matching engine with price-time priority, then survive a cancel storm your implementation is timed against.
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Concurrency
Concurrency Clash
Four C++ snippets that compile and still break: a data race, a lost wakeup, a relaxed publish, and a deadlock. Find the line, pick the fix.
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