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Can you solve this real interview question? Peak Index in a Mountain Array - Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.
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.
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]
In this video I will be discussing Leetcode problem 852: Peak Index in a Mountain Array, explanation includes both intuition and approach, this video is part...
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.
In this video, we'll delve into Leetcode problem 852, where we are given an array representing a mountain landscape, and our task is to find the peak index, i.e., the ...more. Welcome to our...