Algorithm · Uber · Medium
Website Visit Tracker Medium · Topics · Company Tags · Hints Design a class WebsiteTracker that processes a stream of customer visits to a site. The class must implement two methods: visit(int customerId): Invoked each time the customer with identifier customerId lands on the website. firstUnique(): Returns the customerId of the first unique visitor (the one whose earliest appearance is the smallest among all customers that have visited exactly once so far). If there is no…
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