[LeetCode] Maximum Matrix Sum

1 · · Aug. 13, 2022, 8:52 a.m.
1975. Maximum Matrix Sum You are given an n x n integer matrix. You can do the following operation any number of times: Choose any two adjacent elements of matrix and multiply each of them by -1.Two elements are considered adjacent if and only if they share a border. Your goal is to maximize the summation of the matrix’s elements. Return the maximum sum of the matrix’s elements using the operation mentioned above. ...