Algorithm · Bloomberg · Medium
You are given a list of financial transactions. Each record contains the account holder’s name, a monetary amount (a non‑negative integer), a location identifier, and a timestamp in 24‑hour HH:MM format; all timestamps belong to the same calendar day. A transaction is considered fraudulent if it meets either of the following conditions: Its amount is strictly greater than 2000. There exist two transactions of the same account holder that satisfy both: they occurred in…
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