Algorithm · Ramp · Medium
Identify Recurring Transactions Problem Overview You receive a collection of transaction records. Every record contains: Determine which payments recur and produce an easy-to-read description, for example: A key challenge is telling genuine subscriptions apart from repeated but unrelated low-value activity, such as train tickets or isolated card purchases. This question is commonly divided into two stages: Identify transactions that repeat each month. Expand the logic so it…
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