[LeetCode] 34. Find First and Last Position of Element in Sorted Array 在排序数组中查找元素的第一个和最后一个位置 Given an array of integersnumssorted in non-decreasing order, find the starting and ending position of a giventargetvalue. Iftargetis not found in the array, return[-1, -1]...
leetcode_medium_array problem 34. Find First and Last Position of Element in Sorted Array solution #1: 解题思路:分别使用二分法查找最左和最右端的元素; code 注意,最右端元素的mid值如何确定; solution #2: 解题思路:使用二分法找到元素,然后进行前后移动,找到最左最右端的元素; code solution #3: 解题...
Runtime:35 ms, faster than100.00%of Java online submissions for Find Occurrences of an Element in an Array. Memory Usage:64.2 MB, less than100.00%of Java online submissions for Find Occurrences of an Element in an Array.
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). If the target is not found in the array, return [-1, -1]. Example 1: Input: nums = [...
- 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....
* @return {number[]} */ var searchRange = function(nums, target) { // corner case if (nums === null || nums.length === 0) { return [-1, -1]; } // normal case let start = findFirst(nums, target); if (start === -1) { ...
题目地址:https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/description/ 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. ...
34. 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 in the array, return [-1, -1]. ...
1. Problem Descriptions: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 in the array, return [-1…
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). If the target is not found in the array, return [-1, -1]. ...