Can you solve this real interview question? Find Peak Element - A peak element is an element that is strictly greater than its neighbors. Given a 0-indexed integer array nums, find a peak element, and return its index. If the array contains multiple pea
classSolution {publicintfindPeakElement(int[] nums) {if(nums.length==0 || nums==null)return0;intL = 0;intR = nums.length - 1;while(L<R){intmid = (L+R+1)>>>1;if(nums[mid-1]>nums[mid]){ R= mid-1; }else{ L=mid; } }returnL; } }...
leetcode 162. 寻找峰值(Find Peak Element) 题目描述: 峰值元素是指其值大于左右相邻值的元素。 给定一个输入数组nums,其中nums[i] ≠ nums[i+1],找到峰值元素并返回其索引。 数组可能包含多个峰值,在这种情况下,返回任何一个峰值所在位置即可。 你可以假设nums[-1] = nums[n] = -∞。 示例1: 输入: n...
Debugging... Run Submit Description Description Editorial Editorial Solutions Submissions Submissions Code Testcase Test Result Test Result All Solutions Ln 1, Col 1 Case 1Case 2 nums = [1,2,3,1] 1 2 [1,2,3,1] [1,2,1,3,5,6,4] Source ...
leetcode -- Find Peak Element -- 找波峰--重点 https://leetcode.com/problems/find-peak-element/ 思路就是二分查找。如果mid在波峰的递减部分,那么e = mid - 1. 如果mid在波峰的递增部分,那么s = mid + 1. 如果mid在波峰,那么返回。 my code: 效率不高。
【Leetcode】Find Peak Element 题目链接:https://leetcode.com/problems/find-peak-element/题目: A peak element is an element that is greater than its neighbors. num[i] ≠ num[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the ...
7 changes: 6 additions & 1 deletion 7 leetcode-x/find-majority-element/README.md Original file line numberDiff line numberDiff line change @@ -26,4 +26,9 @@ find majority element(主要元素) 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/find-majority-element-lcci 著作权归...
The array may contain mu...LeetCode: 162. Find Peak Element LeetCode: 162. Find Peak Element 又是一道加了锁,不能做的题。 只好做 162 咯。 题目描述 A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a ...
[LeetCode]Find Peak Element Find Peak Element A peak element is an element that is greater than its neighbors. Given an input array wherenum[i] ≠ num[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the index to any one of...
leetcode-222-Counter Complete Binary Tree Nodes - binary search 2 0 10:00 App leetcode-852. Peak Index in a Mountain Array -binary-search 94 0 10:30 App leetcode-1973-Count Nodes Equal to Sum of Descendants - Recursion 3 0 15:08 App leetcode-111. Minimum Depth of Binary Tree -...