How to Solve Peak Index in a Mountain Array Problem
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Peak Index in a Mountain Array
You are given an integer mountain array arr of length n where the values increase to a peak element and then decrease. Return the index of the peak element. Your task is to solve it in O(log(n)) time ...
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Understanding the Peak Index in a Mountain Array Problem
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Problem Statement
You are given an integer mountain array arr of length n where the values increase to a peak element and then decrease. Return the index of the peak element. Your task is to solve it in O(log(n)) time complexity.
Peak Index in a Mountain Array
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Examples
arr = [0,1,0]1arr = [0,2,1,0]1arr = [0,10,5,2]1Constraints
3 <= arr.length <= 1050 <= arr[i] <= 106arr is guaranteed to be a mountain array.How Interview Coder Helps with Leetcode Problems
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