Mobile SIM Activation Queue Wait Time
Mobile SIM Activation Queue Wait Time
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Vikram manages a Delhi mobile shop for Jio SIM activations. Each customer takes a certain service time. Vikram wants to tell customers their total wait time (including their own activation). Given service times array, find total wait for Kth customer.
Approach
Given array of N service times and customer position K, find cumulative time up to position K.
Input
service_times=[5,10,3,8,2]
K=3
Output
18
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