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Solution: Count Negative Numbers in a Sorted Matrix

Discover how to efficiently count negative numbers in a sorted matrix where each row and column is in non-increasing order. Learn to traverse the matrix from the rightmost elements and optimize the search by adjusting start positions across rows. This lesson helps you understand matrix traversal techniques, leverage sorted properties, and implement an O(m + n) time and O(1) space complexity solution.

Statement

Given a matrix grid of size m  nm \ * \ n, where each row and column is sorted in non-increasing order, find and return the total count of negative numbers in the matrix.

Constraints:

  • mm ==== grid.length

  • nn ...