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Count Negative Numbers in a Sorted Matrix

Explore methods to count negative numbers in a matrix sorted in non-increasing order by rows and columns. Understand constraints and apply efficient traversal strategies to solve this common matrix problem in 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 ...