Problem Description: A Toeplitz matrix is a matrix where every left-to-right-descending diagonal has the same element. Given a non-empty matrix arr, write a function that returns true if and only if it is a Toeplitz matrix. The matrix can be any dimensions, not necessarily square. For example, [[1,2,3,4], [5,1,2,3], [6,5,1,2]] …

Array of Array products[Medium] (Pramp, Java) Problem Description: Given an array of integers arr, you’re asked to calculate for each index i the product of all integers except the integer at that index (i.e. except arr[i]). Implement a function arrayOfArrayProducts that takes an array of integers and returns an array…