博主Grandyang的c++解法:[LeetCode] 215. Kth Largest Element in an Array 数组中第k大的数字 开始的时候我的脑子里产生了很多天马行空的想法,比如用一个queue去重新存放顺序之类的。但是那显然是不合理且乱糟糟的。kth largest,就是一个排序问题。这里又一次用到了分治法,而且用到了快速排序里的左右互相交换...
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/problems/kth-largest-element-in-an-array/discuss/60294/Solution-explained https://leetcode.com/problems/kth-largest-element-in-an-array/di...
classSolution{public:intfindKthLargest(vector<int>& nums,intk){sort(nums.begin(), nums.end(), std::greater<>{});returnnums[k -1]; } }; Quick Sort 的思想 代码实现: classSolution{public:intfindKthLargest(vector<int>& nums,intk){intleft =0;intright = nums.size() -1;while(true) ...
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. 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's length. 这道题让我们...
2.2 Implement an algorithm to find the kth to last element of a singly linked list. 这道题让我们求链表中倒数第k个元素,LeetCode中相类似的题目有Kth Largest Element in an Array 数组中第k大的数字和Kth Smallest Element in a BST 二叉搜索树中的第K小的元素。但那两道题和这题又不一样,首先这...
详见:https://leetcode.com/problems/kth-largest-element-in-an-array/description/ Java实现: 方法一: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 class Solution { public int findKthLargest(int[] nums, int...
kthLargest.add(4); // returns 8 Note: You may assume thatnums' length ≥k-1andk≥ 1. 这道题让我们在数据流中求第K大的元素,跟之前那道Kth Largest Element in an Array很类似,但不同的是,那道题的数组是确定的,不会再增加元素,这样确定第K大的数字就比较简单。而这道题的数组是不断在变大的...
2.2 Implement an algorithm to find the kth to last element of a singly linked list. 这道题让我们求链表中倒数第k个元素,LeetCode中相类似的题目有Kth Largest Element in an Array 数组中第k大的数字和Kth Smallest Element in a BST 二叉搜索树中的第K小的元素。但那两道题和这题又不一样,首先这...
Given an n x n matrix where each of the rows and columns is sorted in ascending order, return the kth smallest element i
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assume k is always