原题链接在这里:https://leetcode.com/problems/k-closest-points-to-origin/ 题目: We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return…

题目要求 We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 小根堆 日期 题目地址:https://leetcode.com/problems/k-closest-points-to-origin/ 题目描述 We have a list of points on the plane. Find the K closest points to the origin (0, 0). (Here, the dis…

题目如下: We have a list of points on the plane.  Find the Kclosest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique…

Difficulty: Easy Problem We have a list of points on the plane. Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order. The answer is guaran…

We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique (exce…

We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique (exce…

We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique (exce…

We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique (exce…

We have a list of points on the plane.  Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclidean distance.) You may return the answer in any order.  The answer is guaranteed to be unique (exce…

我们有一个由平面上的点组成的列表 points.需要从中找出 K 个距离原点 (0, 0) 最近的点. (这里,平面上两点之间的距离是欧几里德距离.) 你可以按任何顺序返回答案.除了点坐标的顺序之外,答案确保是唯一的. 示例 1: 输入:points = [[1,3],[-2,2]], K = 1 输出:[[-2,2]] 解释: (1, 3) 和原点之间的距离为 sqrt(10), (-2, 2) 和原点之间的距离为 sqrt(8), 由于 sqrt(8) < sqrt(10),(-2, 2)…

Find the K closest points to the origin in a 2D plane, given an array containing N points. 用 max heap 做 /* public class Point { public int x; public int y; public Point(int x, int y) { this.x = x; this.y = y; } } */ public List<Point> findKClosest(P…

Find the K closest points to a target point in a 2D plane. class Point { public int x; public int y; public Point(int x, int y) { this.x = x; this.y = y; } } class Solution { public List<Point> findKClosest(Point[] points, int k, Point p) { // max h…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

Give n points on 2-D plane, find the K closest points to origin Based on bucket sort: package fbPractise; import java.util.*; class Coordinate { int x; int y; public Coordinate(int x, int y) { this.x = x; this.y = y; } } public class Kclosest { publi…

Given a non-empty array of integers, return the k most frequent elements. For example,Given [1,1,1,2,2,3] and k = 2, return [1,2]. Note: You may assume k is always valid, 1 ≤ k ≤ number of unique elements.    Your algorithm's time complexity must be…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

我们有一个由平面上的点组成的列表 points.需要从中找出 K 个距离原点 (0, 0) 最近的点. (这里,平面上两点之间的距离是欧几里德距离.) 你可以按任何顺序返回答案.除了点坐标的顺序之外,答案确保是唯一的. 示例 1: 输入:points = [[1,3],[-2,2]], K = 1 输出:[[-2,2]] 解释: (1, 3) 和原点之间的距离为 sqrt(10), (-2, 2) 和原点之间的距离为 sqrt(8), 由于 sqrt(8) < sqrt(10),(-2, 2)…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址: https://leetcode.com/problems/find-k-closest-elements/description/ 题目描述: Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also b…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

Given a sorted array, two integers k and x, find the kclosest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outpu…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

Algorithm [leetcode]657. Robot Return to Origin https://leetcode.com/problems/robot-return-to-origin/ 1)problem There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0,…

研究生课程系列文章参见索引<在信科的那些课> 基本原理 假定已给两个数据集P.Q, ,给出两个点集的空间变换f使他们能进行空间匹配.这里的问题是,f为一未知函数,而且两点集中的点数不一定相同.解决这个问题使用的最多的方法是迭代最近点法(Iterative Closest Points Algorithm). 基本思想是:根据某种几何特性对数据进行匹配,并设这些匹配点为假想的对应点,然后根据这种对应关系求解运动参数.再利用这些运动参数对数据进行变换.并利用同一几何特征,确定新的对应关系,重复上述…

Given a target number, a non-negative integer k and an integer array A sorted in ascending order, find the k closest numbers to target in A, sorted in ascending order by the difference between the number and target. Otherwise, sorted in ascending ord…

LeetCode 16. 3Sum Closest(最接近的三数之和)…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

Given a sorted array, two integers k and x, find the k closest elements to x in the array. The result should also be sorted in ascending order. If there is a tie, the smaller elements are always preferred. Example 1: Input: [1,2,3,4,5], k=4, x=3 Outp…

LeetCode 25 k组一个翻转链表 TITLE 示例 1: 输入:head = [1,2,3,4,5], k = 2 输出:[2,1,4,3,5] 示例 2: 输入:head = [1,2,3,4,5], k = 3 输出:[3,2,1,4,5] 示例 3: 输入:head = [1,2,3,4,5], k = 1 输出:[1,2,3,4,5] 示例 4: 输入:head = [1], k = 1 输出:[1] (PS:还是加上title吧不然太难受了) 前言:LeetCode难度hard…