You arrive at the Innovation Lab where the secret prototype was stolen. The door has been dusted for fingerprints, and a technician provides you with a binary vector prints.
Here, 1 represents a fingerprint found and 0 means a clean spot.
Your first task as Detective Alex Verma is to count the total number of fingerprints discovered at the scene. Every fingerprint brings you one step closer to the truth.
Return a single number — the count of 1s in prints.

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Last Solution submitted on Feb 05, 2026

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