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Quick Summary

Simulate a round-robin package distribution system across multiple fulfillment centers.
Handle dynamic center closures and capacity resets when no center can accept a package.
Track total packages per center and return the index of the busiest one, breaking ties by largest index.

What This Tests

Array simulation and state management
Pointer tracking with cyclic iteration
Edge case handling and reset logic
Linear scanning and cumulative counting

Common Patterns

Simulation

Array Manipulation

Two Pointers

Test Cases

Input

Output

Expected