LeetCode第34題 Find First and Last Position of Element in Sorted Array（在排序陣列中查詢元素的第一個和最後一個位置）
class Solution {
public:
vector<int> searchRange(vector<int>& nums, int target) {
int len = nums.size();
int i = 0, j = len;
while(i < j){
int temp = (i + j)/2;
if(target <= nums[temp])j = temp;
else i = temp + 1;
}
int left = i;
i = 0;
j = len;
while(i < j){
int temp = (i + j)/2;
if(target < nums[temp])j = temp;
else i = temp + 1;
}
int right = i;
return left == right ? vector<int>{-1,-1} : vector<int>{left,right-1};
}
};
相關推薦
LeetCode第34題 Find First and Last Position of Element in Sorted Array（在排序陣列中查詢元素的第一個和最後一個位置）
class Solution { public: vector<int> searchRange(vector<int>& nums, int target) { int len = nums.size();
Find First and Last Position of Element in Sorted Array（數組中查找第一個元素和最後一個元素）
run nbsp arc example col ascend == sea 如果 Given an array of integers nums sorted in ascending order, find the starting and ending positio
【LeetCode】34. Find First and Last Position of Element in Sorted Array（C++）
地址：https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 題目： Given an array of integers nums sorted in ascend
LeetCode 34. 在排序陣列中查詢元素的第一個和最後一個位置 Find First and Last Position of Element in Sorted Array（C語言）
題目描述： 給定一個按照升序排列的整數陣列 nums，和一個目標值 target。找出給定目標值在陣列中的開始位置和結束位置。 你的演算法時間複雜度必須是 O(log n) 級別。 如果陣列中不存在目標值，返回 [-1, -1]。 示例 1: 輸入: nums = [
[leetcode][34] Find First and Last Position of Element in Sorted Array
數組 -o tin num ive new algorithm target gre 34. Find First and Last Position of Element in Sorted Array Given an array of integers nums so
[LeetCode] 34. Search for a Range 搜索一個範圍(Find First and Last Position of Element in Sorted Array)
begin tro value 復雜 targe || art length controls 原題目：Search for a Range， 現在題目改為： 34. Find First and Last Position of Element in Sorted Arr
[leetcode]34. Find First and Last Position of Element in Sorted Array
自己寫的，雖然過了，但是其實是有問題的 class Solution { public int[] searchRange(int[] nums, int target) { if(nums==null||nums.length==0)retur
python leetcode 34. Find First and Last Position of Element in Sorted Array
二分定位，再前後遍歷 class Solution: def searchRange(self, nums, target): """ :type nums: List[int] :type target: int
leetcode-34-Find First and Last Position of Element in Sorted Array
The problem is not too difficult than previous one, for the leftmost index, assign right = mid - 1 when target == nums[mid] in order to let the
LeetCode 34 - Find First and Last Position of Element in Sorted Array
Find First and Last Position of Element in Sorted Array - LeetCode Given an array of integers nums sorted in ascending order, find the startin
Leetcode 34 Find First and Last Position of Element in Sorted Array 解題思路 (python)
本人程式設計小白，如果有寫的不對、或者能更完善的地方請個位批評指正！ 這個是leetcode的第34題，這道題的tag是陣列，需要用到二分搜尋法來解答 34. Find First and Last Position of Element in Sorted Array Giv
leetcode -- 34. Find First and Last Position of Element in Sorted Array
題目描述 題目難度：Medium Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target
LeetCode刷題MEDIM篇 Find First and Last Position of Element in Sorted Array
題目 Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Y
19.2.2 [LeetCode 34] Find First and Last Position of Element in Sorted Array
pub urn eve opened leet 分享圖片 sort || end Given an array of integers nums sorted in ascending order, find the starting and ending position
[Lintcode]61. Search for a Range/[Leetcode]34. Find First and Last Position of Element in Sorted Array
實現 put -o earch 時間復雜度 pytho desc NPU challenge [Lintcode]61. Search for a Range/[Leetcode]34. Find First and Last Position of Element in
【LeetCode】【找元素】Find First and Last Position of Element in Sorted Array
com pub bsp starting tin example pan ray 範圍 描述： Given an array of integers nums sorted in ascending order, find the starting and ending p
34. Find First and Last Position of Element in Sorted Array
題意： 一個有序陣列中有重複元素，返回第一個和最後一個target的下標。要求O（logN）。 思路： 沒什麼好說的，還是二分法。 vector<int> searchRange(vector<int>& nums, int ta
Leetcode之Find First and Last Position of Element in Sorted Array
題目： Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value.
乘風破浪：LeetCode真題_034_Find First and Last Position of Element in Sorted Array
乘風破浪：LeetCode真題_034_Find First and Last Position of Element in Sorted Array 一、前言 這次我們還是要改造二分搜尋，但是想法卻有一點不一樣。 二、Find First and Last Pos
[Swift]LeetCode34. 在排序陣列中查詢元素的第一個和最後一個位置 | Find First and Last Position of Element in Sorted Array
Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorit