Leetcode703数据流中第k大元素 设计一个找到数据流中第K大元素的类(class)。注意是排序后的第K大元素,不是第K个不同的元素。 你的KthLargest 类需要一个同时接收整数 k 和整数数组nums 的构造器,它包含数据流中的初始元素。每次调用 KthLargest.add,返回当前数据流中第K大的元素。 示例: int k = 3; int...
classSolution{public:intfindKthLargest(vector<int>& nums,intk){ priority_queue<int, vector<int>, greater<int>> q;intsz = nums.size();for(inti =0; i < k; i++){ q.push(nums[i]); }for(inti = k; i < sz; i++){ q.push(nums[i]); q.pop(); }returnq.top(); } };...
Github 同步地址: https://github.com/grandyang/leetcode/issues/215 类似题目: Wiggle Sort II Top K Frequent Elements Third Maximum Number Kth Largest Element in a Stream K Closest Points to Origin 参考资料: https://leetcode.com/problems/kth-largest-element-in-an-array/ https://leetcode.com/...
题目页面:leetcode.cn/problems/to 2 解题思路 官方解题思路:1)哈希表+排序;2)优先队列(小根堆)。 为了重点演示堆这个数据结构,我们重点讲解优先队列的算法。 关于堆,上个题目 215M 第K个最大值 我们已经介绍过:王几行xing:【Python-转码刷题】LeetCode 215M 第K个最大元素 Kth Largest Element in an Arr...
347. Top K Frequent ElementsMedium Topics Companies Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order. Example 1: Input: nums = [1,1,1,2,2,3], k = 2 Output: [1,2] Example 2: Input: nums = [1], k ...
Len() // 堆顶已被移动到切片最后,方便删除 x := (*h)[n-1] *h = (*h)[0 : n-1] return x } 题目链接: Top K Frequent Elements : leetcode.com/problems/t 前K 个高频元素: leetcode-cn.com/problem LeetCode 日更第 84 天,感谢阅读至此的你 欢迎点赞、收藏鼓励支持小满...
英文coding面试练习 day2-1 | Leetcode658 Find K Closest Elements, 视频播放量 23、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 Rollwithlife, 作者简介 To remember,相关视频:英文coding面试练习 day3-2 | Leetcode907 Sum of Subarray Minim
Hello everyone! Today's LeetCode Daily problem isFind K Pairs with Smallest Sums. Problem description This problem is commonly solved with with priority queue. Here's a C++ solution for reference. Solution with PQ Many users — and me in particular — initially tried to solve this problem wit...
https://leetcode.com/problems/top-k-frequent-elements/ 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. ...
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 be sorted in ascending order. If there is a tie, the smaller elements...