Coding·60 minMembers

Delivery Billing System

Members only

Build an in-memory delivery payout service. Start with driver registration, delivery recording, and O(1) total cost; add effective-dated driver rate changes and pay-up-to cutoff processing; then compu...

SWE

oop-design

heap

interval

interval-aggregation

ai-allowed

hard

Frequency

Very high

Last asked

2026-09-17

Stage

phone-screen · onsite-coding

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