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852. Peak Index in a Mountain Array. Medium. 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. Example 1: Input: arr = [0,1,0] Output: 1. Example 2: Input: arr = [0,2,1,0] Output: 1.
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1 2 3 4 5 6 7 8 9 10 11 12 13. class Solution: def (, arr: List [ ]) ->: l = 0 r = ( arr) - 1 while l < r: m = ( l + r) // 2 if arr [ m] >= arr [ m + 1 ]: r = m else: l = m + 1 return l. LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript.
Mar 31, 2018 · 852. Peak Index in a Mountain Array. Description. An array arr is a mountain if the following properties hold: arr.length >= 3. There exists some i with 0 < i < arr.length - 1 such that: arr[0] < arr[1] < ... < arr[i - 1] < arr[i] . arr[i] > arr[i + 1] > ... > arr[arr.length - 1]
Jul 24, 2023 · In this article, we conquered the peaks with LeetCode problem 852, “Peak Index in a Mountain Array.” By employing the power of binary search, we efficiently found the peak index in the ...
Can you solve this real interview question? Find Peak Element - Level up your coding skills and quickly land a job.
Problem description. An array arr is a mountain if the following properties hold: arr.length >= 3. There exists some i with 0 < i < arr.length - 1 such that: arr[0] < arr[1] < ... < arr[i - 1] <...
Problem Description. In this problem, we're given an array arr that represents a mountain, which means it has the shape of a peak: the elements first increase and then decrease. The constraints that define a mountain are: The length of the array should be at least 3.
0852 - Peak Index in a Mountain Array (Easy) Problem Link. https://leetcode.com/problems/peak-index-in-a-mountain-array/ Problem Statement. Let's call an array arr a mountain if the following properties hold: arr.length >= 3. There exists some i with 0 < i < arr.length - 1 such that: arr[0] < arr[1] < ... arr[i-1] < arr[i]
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