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Leetcode 1169. Invalid Transactions

Given a list of transactions, mark any transaction invalid if its amount > 1000 or if there exists another transaction with the same name within 60 minutes that occurred in a different city. The challenge is to parse and group transactions by name and then detect time-window conflicts (e.g., via sorting or pairwise checks) to return all possibly invalid entries.

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Bloomberg

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Mid February, 2025

Bloomberg

Junior

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