Kth Smallest Element in a Sorted Matrix
Given an n x n matrix where each of the rows and columns is sorted in ascending order, return the kth smallest element in the matrix. Note that it is the kth smallest element in the sorted order, not the kth distinct element.
Kth Smallest Element in a Sorted Matrix

Given an n x n matrix where each of the rows and columns is sorted in ascending order, return 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 1:
Input: {"matrix":[[1,5,9],[10,11,13],[12,13,15]],"k":8}
Output: 13
Input
arr ={"matrix":[[1,5,9],[10,11,13],[12,13,15]],"k":8}

Start BS range [1, 15]

1

5

9

10

11

13

12

13

15

Variables
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