Unknown (Second Question from Provided 1point3acres Link)

Problem: The 2nd Question from the Provided 1point3acres Link (Statement Missing) You mentioned the second question is the “second problem” in: https://www.1point3acres.com/bbs/thread-1166414-1-1.html Since I cannot access the link content here, I can’t reconstruct the problem statement. Please paste: Full problem description Input/output format Constraints Examples Then I can normalize it into a practice-ready interview question and map it to similar LeetCode problems.