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Design a VM manager class with methods to start a VM, stop a VM, and calculate a user's total expenditure across all their VMs. Billing is $2 per vCPU per hour, and each method should run in O(1) time.
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Nebius
Design a VM Manager
Reported Sep 30, 2026 · 1 source report
SENIOR
Source snapshot: Nov 12, 2026
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