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Quick Summary

Process a continuous stream of order placement and execution events.
Maintain persistent in-memory state for multiple orders across batches.
Determine real-time order status based on cumulative fills versus original quantity.

What This Tests

Efficient key-value state tracking with hash maps
Parsing structured string inputs into components
Managing object lifecycle and state transitions
Designing scalable data structures for streaming data

Common Patterns

Hashing

Accepted

2.3k/3.3k

Acceptance Rate71.8%

Test Cases

Input

Output

Expected