Feb 20, 2023 · Given a matrix arr[][] of size M*N, where M is the number of rows and N is the number of columns. The task is to reverse the rows and columns of the matrix alternatively i.e …

Obtaining a list of arrays by diagonally traversing a 2D array with left-leaning diagonal sections?

Feb 18, 2018 · Give a N*N square matrix, return an array of its anti-diagonals. Look at the example for more details. Example: Input: [1], [2, 4], [3, 5, 7], [6, 8], [9] This is my approach to …

May 25, 2020 · To match the expected results where alternate diagonal elements are reversed in order, we can collect the diagonal elements and reverse the order of alternate diagonals …

Nov 12, 2023 · In Java, arrays can be reversed through simple looping, the Collections API, swapping elements, and more. In this in-depth guide, we will delve into array reversal in Java, …

Dec 11, 2017 · Following code snippet will reverse the diagonal as per your need. See the complete working program here: final int SIZE = iArray[0].length; final int len = SIZE/2; for(int …

This lesson introduces multidimensional arrays in Java and focuses on various techniques to traverse a 2D matrix. It covers understanding matrix dimensions, establishing starting points …

May 13, 2021 · The problem can be divided into two tasks: print one reverse diagonal starting from a generic matrix[i, j] element, basically decrementing i and j by 1 in every cycle if both i …

Apr 23, 2025 · In Java, there are multiple ways to reverse an array. We can reverse it manually or by using built-in Java methods. In this article, we will discuss different methods to reverse an …

Oct 21, 2010 · If you want the reverse the array so that the item at value[0] was the one at the second-to-last row and last colum (directly above the bottom right element, the following code …