Hills and Valleys in Arrays? - LeetCode 2210 Explained [Python]

In this video, we solve LeetCode 2210 - Count Hills and Valleys in an Array using a clean two-pointer or linear traversal approach in Python. Problem Summary: You're given an integer array and asked to count how many hills and valleys it contains. A hill occurs when the closest non-equal neighbors are smaller. A valley occurs when those neighbors are larger. Equal adjacent values are treated as part of the same peak or dip. Difficulty: Easy Language: Python A great logic-based array problem that appears in interviews!