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Robinhood
Coding Question
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Quick Summary
Simulate an order matching engine processing sequential buy and sell requests.
Match orders based on price constraints while prioritizing the best available prices.
Handle partial fills and accumulate the total number of successfully traded shares.
What This Tests
Priority Queue manipulation
Greedy matching strategies
State management with partial execution
Data structure selection for optimal performance
Common Patterns
Heap / Priority Queue
Greedy
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Input
orders =
Output
Expected
