vector<int>searchRange(vector<int>&nums,inttarget){vector<int>result;inta=-1,b=-1;vector<int>::iterator iter;intcount=-1;for(iter=nums.begin();iter!=nums.end();iter++){count++;if(a==-1&&*iter==target){a=count;b=count;continue;}if(a==-1)continue;if(*iter==target)b=count;}...
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 ...
排序数组中查找元素的第一个和最后一个位置 Find First And Last Position of Element in Sorted Array 给定一个非递减排序数组nums和目标target.找到target在数组中的开始位置和结束位置。如果数组中不存在这个数,返回[-1,-1] nums = [5,7,7,8,8,10], target = 7 [1,2] 思路 这个要求,查到target的第...
- 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....
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]. ...
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]. ...
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. ...
[Leetcode][python]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 题目大意 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。