Find First and Last Position of Element in Sorted Array 题目描述: 给定一个按照升序排列的整数数组 nums,和一个目标值 target。找出给定目标值在数组中的开始位置和结束位置。 你的算法时间复杂度必须是 O(log n) 级别。 如果数组中不存在目标值,返回 [-1, -1]。 示例 1: 输入: nums =......
输入:nums=[5,7,7,8,8,10],target=6输出:[-1,-1] 原题链接:https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array 思路解析 + 毫无疑问,时间复杂度O(log n)和升序数组,提示了我们使用二分查找的解法。 普通的二分查找在找到target后立即返回,所以我们需要做变式...
LeetCode刷题系列—34. Find First and Last Position of Element in Sorted Array 1.题目描述 英文版: Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the order of O(log ...
The loop exits when left > right, and left will point to the first occurrence of the target or the insertion point if the target is not found. findRightmostIndex Function: This function performs a binary search to find the rightmost index of the target. If the target is found, it continu...
LeetCode 34. 在排序数组中查找元素的第一个和最后一个位置(二分) 题目链接:https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 思路:二分查找到值,然后向两端扩展...leetcode 34. 在排序数组中查找元素的第一个和最后一个位置【二分】 二分法【我很疑惑这个...
- LeetCodeleetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 解题思路 1. 二分找元素,双指针找区间 class Solution { public: vector<int> searchRange(vector<int>& nums, int target) { vector<int> res(2, -1); int pos = bsearch(nums, target, 0, nums.size...
链接 https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 问题描述 给定一个按照升序排列的整数数组 nums,和一个目标值 target。找出给定目标值在数组中的开始位置和结束位置。 如果数组中不存在目标值 target,返回 [-1, -1]。
LeetCode-Find First and Last Position of Element in Sorted Array,LeetCodeJavaC++FindFirstandLastPositionofElementinSortedArray
LeetCode Top 100 Liked Questions 34. Find First and Last Position of Element in Sorted Array(Java版; Medium) 题目描述 Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. ...
leetcode-34. Find First and Last Position of Element in Sorte-binary-searchyjhycl 立即播放 打开App,流畅又高清100+个相关视频 更多 84 0 18:47 App leetcode-222-Counter Complete Binary Tree Nodes - binary search 2 0 10:00 App leetcode-852. Peak Index in a Mountain Array -binary-search...