Discussion on "LeetCode Daily Challenge-2210 Count Hills and Valleys in an Array(Easy, Two Pointers, O(n))"

Anni Huang · 2025-07-27T04:01:29.345Z

Problem Description LeetCode 2210 asks us to count the number of hills and valleys in an array. A hill is an element that is strictly greater than its neighbors, while a valley is an element that is strictly smaller than its neighbors. The key challe...

Discussion on "LeetCode Daily Challenge-2210 Count Hills and Valleys in an Array(Easy, Two Pointers, O(n))" | Hashnode

Search Hashnode

LeetCode Daily Challenge-2210 Count Hills and Valleys in an Array(Easy, Two Pointers, O(n))

Responses