Detect Duplicate Transactions

📝 Description

Flag transactions with the same amount and recipient within 10 minutes.

Input Format

[{"time": str (HH:MM), "amount": float, "recipient": str}]

Output Format

[{"transaction": dict, "is_duplicate": bool}]

Constraints

1 ≤ transactions ≤ 10^4, 0 < amount ≤ 10^6

🔍 Sample Input

[{"time": "10:00", "amount": 100, "recipient": "Alice"}, {"time": "10:05", "amount": 100, "recipient": "Alice"}]
            

✅ Sample Output

[{"transaction": {"time": "10:05", "amount": 100, "recipient": "Alice"}, "is_duplicate": true}]