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Robinhood
Coding Question
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Quick Summary
Simulate sequential buy and sell orders against a fractional stock inventory.
Parse mixed quantity formats and apply modulo arithmetic to maintain fractional share bounds.
Return the updated inventory sorted by stock symbol.
What This Tests
Hash table usage for efficient state tracking
String parsing and unit conversion
Modulo arithmetic and ceiling/floor operations
Sequential simulation with conditional branching
Common Patterns
Hashing
Sorting
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Hint 2
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Input
orders =
inventory =
Output
Expected
