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Solution: Count Negative Numbers in a Sorted Matrix

Explore how to efficiently count negative numbers in a matrix sorted by rows and columns in non-increasing order. Learn an algorithm that leverages matrix properties to minimize search steps, achieving a linear time complexity with constant space use. This lesson teaches how to implement and understand this solution for coding interviews.

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 ...