Leetcode 1205. Monthly Transactions II
Given a table of transactions (customer, date, amount), aggregate spending by customer and month and identify the months where a customer's total spending strictly increased compared to their previous month. The task is mainly about time-based grouping, month-over-month comparisons, and handling customers with missing months.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
0
Hello Interview Premium
Your account is free and you can post anonymously if you choose.