A new solution has been proposed for counting square submatrices with all ones in a given m*n matrix. According to a recent article, the dynamic programming (DP) approach can be used to efficiently track the number of square submatrices that end at each cell in the matrix. The method involves defining a DP matrix and using transition formulas to calculate the count for each cell.

This solution has been implemented in PHP and is considered efficient, meeting the constraints provided in the problem. The article provides a step-by-step guide on how to implement this solution, making it accessible to developers and programmers.

Source: https://dev.to/mdarifulhaque/1277-count-square-submatrices-with-all-ones-4e1m