Kth Largest Element Find K-th largest element in an array. Note You can swap elements in the array Example In array [9,3,2,4,8], the 3th largest element is 4 Challenge O(n) time, O(1) space 原题链接: http://www.lintcode.com/en/problem/kth-largest-element…

原题链接在这里:http://www.lintcode.com/en/problem/kth-largest-element/# 在LeetCode上也有一道,采用了标准的quickSelect 方法,另外写了一篇帖子,代码更加模块化. 采用的quickSelect方法,取出pivot, 比pivot 小的都放在左边,比pivot大的都放在右边,若是pivot左边包括pivot的个数恰巧等于k, 就返回pivot. 若是大于k, 就在左边递归寻找第k小的数,若是大于k,就在右边递归寻找 第 (k…

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 方法一:移除最大值 方法二:排序 方法三:大顶堆 方法四:partition 日期 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…

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/kth-largest-element-in-a-stream/description/ 题目描述 Design a class to find the kth largest element in a stream. Note that it is the kth…

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. For example, Given [3,2,1,5,6,4] and k = 2, return 5. Note: You may assume k is always valid, 1 ≤ k ≤ arr…

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. For example, Given [3,2,1,5,6,4] and k = 2, return 5. 解题思路: 本题是<算法导论>原题,9.2节用归并的思路给出了时间复杂度为O(n)的算法,9.3节给出了最…

examination questions 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. For example, Given [3,2,1,5,6,4] and k = 2, return 5. Note: You may assume k is always…

Kth Largest Element in an Array 题解 题目来源:https://leetcode.com/problems/kth-largest-element-in-an-array/description/ Description Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth…

题目 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. For example, Given [3,2,1,5,6,4] and k = 2, return 5. Note: You may assume k is always valid, 1 ≤ k ≤ arr…

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. For example, Given [3,2,1,5,6,4] and k = 2, return 5. Note: You may assume k is always valid, 1 ≤ k ≤ array'…