Design a service to calculate the top k listened songs in past 24 hours
14313
Mar 23, 2018
We have a service that is notified when songs are listened to.
Design it so it's able to return the top k listened songs in the past 24 hours.
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We have a service that is notified when songs are listened to.
Design it so it's able to return the top k listened songs in the past 24 hours.