Open a dispute

Opening a dispute pauses the seller's payment release. Our team will review within 24 hours.

⚠️ Only open a dispute if there's a real problem.
Frivolous disputes may affect your account standing. If you have a question, try messaging the seller first.

Introduction to Algorithms

Order #RM-O1DEMO · $45.00

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Photos of the item received, screenshots of messages, or other relevant documentation help us resolve disputes faster.

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