34. Find First and Last Position of Element in Sorted ArrayDescription: 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 n)....
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 =......
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 ...
540. Single Element in a Sorted Array 题目大意: 给你一个由小到大排好序的数组,里面只有一个数出现了一次,其他数都出现了两次,要求找出那个只出现一次的数,而且时间复杂度为O(logn) 题目思路: 说实话一开始没想到,因为几乎每个数都出现了两次那么对于一个偶数i,一定有nums[i] == nums[i+1]否则说明在...
first,last=mid,midwhilel <=first: fm= (first+l) // 2ifnums[fm] <target: l= fm + 1else: first= fm -1whiler >=last: rm= (last+r) // 2ifnums[rm] >target: r= rm - 1else: last= rm + 1return[first+1,last-1]return[-1,-1]...
Can you solve this real interview question? Find First and Last Position of Element in Sorted Array - Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found i
https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ Given an array of integersnumssorted in ascending order, find the starting and ending position of a giventargetvalue. Your algorithm's runtime complexity must be in the order ofO(logn). ...
34. Find First and Last Position of Element in Sorted Array** https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 题目描述 Given an array of integers nums sorted in ascending order, find the starting and ending position of...
Given an array of integersnumssorted in ascending order, find the starting and ending position of a giventargetvalue. Your algorithm's runtime complexity must be in the order ofO(logn). If the target is not found in the array, return[-1, -1]. ...
Find First and Last Position of Element in Sorted Array 解题思路 数组查找问题,考虑采用二分查找降低时间复杂度,找到target后只需分别向前向后找到start和end即可。 代码 class Solution: def searchRange(self, nums: List[int], target: int) -> List[int]: low, start = 0, -1 high, end = len(...