Bug Report for duplicate-integer

Bug Report for https://neetcode.io/problems/duplicate-integer

Please describe the bug below and include any steps to reproduce the bug or screenshots if possible.

There is no constraints for this problem.

<img width="2880" height="1534" alt="Image" src="https://github.com/user-attachments/assets/7ac19d5a-d039-4ae1-b03c-5c87e71b41ff" />