Leetcode
Algorithms
Data Structures
Matrix
Day 21 of 31-Day May LeetCode Challenge
1 min readMay 21, 2020
Given a m * n matrix of ones and zeros, return how many square submatrices have all ones.
Press enter or click to view image in full size![]()
Given a m * n matrix of ones and zeros, return how many square submatrices have all ones.
We never really grow up, we only learn how to act in public