Leetcode Problem 2082. The Number of Rich Customers

2082. The Number of Rich Customers

Leetcode Solutions

Counting Customers with High-Value Bills

Filter the records to include only those with an amount greater than 500.
Identify unique customer_id values from the filtered records.
Count the number of unique customer IDs.
Return the count as the result.

erDiagram
    Store {
        int bill_id
        int customer_id
        int amount
    }

Aggregating High-Value Bills per Customer

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