2319. Check if Matrix Is X-Matrix

A square matrix is said to be an X-Matrix if both of the following conditions hold: - All the elements in the diagonals of the matrix are non-zero. - All other elements are 0. Given a 2D integer array grid of size n x n representing a square matrix, return true if grid is an X-Matrix. Otherwise, return false. Example 1: Input: grid = [[2,0,0,1],[0,3,1,0],[0,5,2,0],[4,0,0,2]] Output: true Ex