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DoorDash
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Quick Summary
Simulate a dasher's daily workflow using a sequence of timestamped order events.
Track the number of concurrent active deliveries to determine the pay multiplier for each time interval.
Calculate total earnings by multiplying interval duration, active order count, and a fixed base rate.
What This Tests
Event-driven timeline simulation
Time parsing and interval arithmetic
State tracking with counters or sets
Chronological data processing
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