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...
then return the position at the array. Otherwise we divide the array with the pivot, if m(the elements of minimum numbers in front of the array) bigger the k, we can find the right position in the smaller numbers partion, Otherwise finding...
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 Exercises, Practice and Solution: Write a Python program to find the kth (1 <= k <= array's length) largest element in an unsorted array using the heap queue algorithm.
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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...
c++ java pythonclass Solution { public: /** * @param n: An integer * @param nums: An array * @return: the Kth largest element */ int kthLargestElement(int k, vector<int> &nums) { int n = nums.size(); // 为了方便编写代码,这里将第 k 大转换成第 k 小问题。
indices = np.argsort(nums, axis=0)[-2, :]: This line sorts the nums array along the first axis (i.e., vertically) and returns the indices of the sorted elements. The -2 index in [-2, :] selects the second-largest element, and the : in [-2, :] means to select all columns...