Round 1
Questions: Implement the following functions:
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addCustomer(double revenue)
→ Adds a new customer with a unique ID and assigns the specified revenue, representing the amount the customer brings to the company. -
addCustomer(double revenue, string referredBy)
→ Adds a new customer with the given revenue and records the referring customer. The revenue of the referring customer is also increased by the revenue of the newly added customer.Example:
1 (100) → 2 (50) → 3 (30) Customer 2 is referred by customer 1. Customer 3 is referred by customer 2. Final revenue distribution: Customer 1: 150 (100 + 50) Customer 2: 80 (50 + 30) Customer 3: 30
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getKCustomersWithRevenueGreaterThanValue(int k, double value)
→ Returns the IDs of the first k customers whose revenue is greater than the given value.Example:
Customer ID (Revenue) 1 (100) 2 (120) 3 (150) 4 (200) 5 (300)
If k = 2 and value = 90, the function should return customers 1 and 2.
Candidate's Approach
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Interviewer's Feedback
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