Bug Report for find-duplicate-integer

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

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

<img width="1901" height="818" alt="Image" src="https://github.com/user-attachments/assets/75a6bd80-9e96-4d92-8653-1243396f0cf8" />

Why is this Problem listed under linked list problems? when its purely a list problem