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Difficulty: Medium
Category: architecture & logic
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Topics: c++, data structures, hash table, binary search tree, design
An order book tracks the resting buy (bid) and sell (ask) orders for a financial instrument by processing a continuous stream of market data messages. Maintaining an accurate, low-latency representation of this limit order book through add, modify, and delete operations is a fundamental architectural component of modern quantitative trading systems. Task Implement an OrderBook class that maintains a limit order book and generates snapshots of the top 5 bid and ask levels. The driver function pr
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