{public:intkthSmallest(vector<vector<int> >& matrix,intk) {intlen=matrix.size();boolinheap[1000][1000]; memset(inheap,0,sizeof(inheap)); priority_queue<Node>heap; heap.push(Node(0,0,matrix[0][0]));for(inti=0; i<k-1; i++) { Node now=heap.top();if(now.x<len-1&&inhea...
public Element(int val, int x, int y){ this.val = val; this.x = x; this.y = y; } } public int kthSmallest(int[][] matrix, int k) { //corner case if(matrix == null || matrix.length == 0 || matrix[0] == null || matrix[0].length == 0){ return -1; } int rows...
1classSolution {2publicintkthSmallest(int[][] matrix,intk) {3PriorityQueue<Tuple> pq =newPriorityQueue<>(matrix.length, (a, b) -> (a.val -b.val));4for(inti = 0; i < matrix.length; i++) {5pq.offer(newTuple(0, i, matrix[0][i]));6}7for(inti = 0; i < k - 1; i+...
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. Note: You...
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: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
func kthSmallest(matrix [][]int, k int) int { n := len(matrix) // 取出矩阵中最小和最大的数字,分别作为二分区间的左右边界 l := matrix[0][0] r := matrix[n - 1][n - 1] // 运用二分找到最小的数 x ,使得矩阵中小于等于 x 的数字个数恰好大于等于 k for l <= r { // 找到...
~~~ matrix = [ [ 1, 5, 9], [10, 11, 13], [12, 13, 15] ], k = 8, 返回13。 说明: 你可以假设 k 的值永远是有效的, 1≤ k ≤ n2 。 来源:力扣(LeetCode) 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...
题目地址:https://leetcode.com/problems/kth-smallest-element-in-a-bst/#/description 题目描述 Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assume k is always valid, 1 ≤ k ≤ BST’s total ...
Can you solve this real interview question? Find the Kth Smallest Sum of a Matrix With Sorted Rows - You are given an m x n matrix mat that has its rows sorted in non-decreasing order and an integer k. You are allowed to choose exactly one element from