Python 解法:大根堆 MaxHeap ## 大根堆fromheapqimportheapify,heappush,heappopclassSolution:deffindKthLargest(self,nums:List[int],k:int)->int:maxHeap=[-xforxinnums]heapify(maxHeap)foriinrange(k-1):heappop(maxHeap)## 去掉前 k-1个最大值return-maxHeap[0]## 返回第 k 个最大值 复杂度: ...
题目地址:https://leetcode.com/problems/kth-largest-element-in-an-array/description/题目描述Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.
LeetCode 0215. Kth Largest Element in an Array数组中的第K个最大元素【Medium】【Python】【快排】【堆】 Problem LeetCode Find thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. Example 1: Input: [3,2,1...
Write a Python script to extract the kth largest element from an array using a heap-based approach and validate the result with sorting. Write a Python program to compute the kth largest element in a list by using heapq to maintain a running heap of the top k elements....
Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. Example 1: AI检测代码解析 Input:[3,2,1,5,6,4]and k = 2 Output: 5 1. Example 2: ...
title: 'K-th Largest Element in an array' date: '2024-06-19' tags: ['python', 'algorithm', 'tree', 'DFS', 'Binary search tree'] draft: false summary: "Given an integer array nums and an integer k, return the kth largest element in the array." ...
Python Code: # Define a function to find the kth largest element in a listdefkth_largest_el(lst,k):# Sort the list in descending order (reverse=True)lst.sort(reverse=True)# Return the kth largest element (0-based index, so k-1)returnlst[k-1]# Create a list of numbersnums=[1,2...
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Design a class to find the kth largest element in a stream. Note that it is the kth largest element in the sorted order, not the kth distinct element. YourKthLargestclass will have a constructor which accepts an integerkand an integer arraynums, which contains initial elements from the stre...
更新于 8/26/2021, 12:59:06 AM python3 利用堆求第k大元素 class Solution: # @param nums {int[]} an integer unsorted array # @param k {int} an integer from 1 to n # @return {int} the kth largest element def kthLargestElement2(self, nums, k): # Write your code here import he...