代码 class Solution {publicintkthSmallest(int[][] matrix,intk) { PriorityQueue<Integer> queue =newPriorityQueue<>();for(inti=0;i<matrix.length;i++){for(intj=0;j<matrix[0].length;j++){ queue.offer(matrix[i][j]); } }while(--k>0){ queue.poll(); }returnqueue.poll(); } } 1 ...
DescriptionGiven a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix. Note that it is the kth smallest element in the sorted …
Given a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix. Note that it is the kth smallest element in the sorted order, not the kth distinct element. Example: image.png k = 8, return 13. Note: You may assu...
int rows = matrix.length, cols = matrix[0].length; //use min heap, compare the value of the element in matrix Queue<Element> minHeap = new PriorityQueue<Element>(k, new Comparator<Element>(){ @Override public int compare(Element e1, Element e2){ return e1.val - e2.val; } }); /...
Given anxnmatrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix. Note that it is the kth smallest element in the sorted order, not the kth distinct element. Example: matrix = [[ 1, 5, 9],[10, 11, 13], ...
https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/ 题目: n x n Note that it is the kth smallest element in the sorted order, not the kth distinct element. Example: matrix = [ [ 1, 5, 9], [10, 11, 13], [12, 13, 15] ], k = 8, return 13. ...
LeetCode 378. Kth Smallest Element in a Sorted Matrix 一道经典的二分查找的题目,特点在于查找对象从一位有序数组变成了二位行列有序数组。 返回顶部 题目描述 Given an n x n matrix where each of the rows and columns are sorted in ascending order, return the kth smallest element in the matrix....
题目描述: LeetCode 378. Kth Smallest Element in a Sorted Matrix Given a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix. Note that it is the kth smallest element in the sorted or
* https://github.com/cherryljr/LeetCode/blob/master/Find%20K-th%20Smallest%20Pair%20Distance.java */ class Solution { public int kthSmallest(int[][] matrix, int k) { int start = matrix[0][0]; int end = matrix[matrix.length - 1][matrix[0].length - 1]; ...
链接:https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 思路 思路一 使用堆,维护一个最大堆,限定堆中的元素个数为 k ,将所有的元素依次压入堆中,当堆中元素大于 k 时,pop 出最大的元素。堆中最后一个元素...