using System; // using System.Collections.Generic; // using System.Linq; class Matrix { private int matrixSize; private readonly int[,] matrix; private Random rand = new Random(); private void generateRandomMatrix() { for(int i = 0; i < matrixSize; i++) for(int j = 0; j < matrixSize; j++) { matrix[i, j] = rand.Next(0, 10); } } public Matrix() { matrixSize = 4; matrix = new int[matrixSize, matrixSize]; generateRandomMatrix(); } public Matrix(int matrixSize) { if (matrixSize > 1 && matrixSize < 9) { this.matrixSize = matrixSize; } else { Console.WriteLine("Invalid matrix size, using default size of 4\n"); this.matrixSize = 4; } matrix = new int[matrixSize, matrixSize]; generateRandomMatrix(); } public void display() { for(int i = 0; i < matrixSize; i++) { for(int j = 0; j < matrixSize; j++) { Console.Write("{0}\t", matrix[i, j]); } Console.WriteLine(""); } Console.WriteLine("\n"); } public void rotateClockwise(int rotateCount = 1) { int[,] tempMatrix = new int[matrixSize, matrixSize]; // Need help to perform deep copy in fewer lines using LINQ for(int i = 0; i < matrixSize; i++) for(int j = 0; j < matrixSize; j++) { tempMatrix[i, j] = matrix[i, j]; } Console.WriteLine("\nRotating clockwise {0} times from initial position:-\n", rotateCount); // After 4 rotations the effect would be same hence rotateCount %= 4; while(rotateCount-- > 0) { // The logic for Matrix rotate is just col to row transformations in opposite order // But the In-Place algorithm to do the rotations using same matrix is taken from here https://www.geeksforgeeks.org/inplace-rotate-square-matrix-by-90-degrees/ // Note that the Algorithm there is Anticlockwise but I have modified it to be clockwise for(int i = 0; i < matrixSize / 2; i++) { for(int j = i; j < matrixSize - i - 1; j++) { int temp = tempMatrix[i, j]; // move values from left to top tempMatrix[i, j] = tempMatrix[matrixSize - 1 - j, i]; // move values from bottom to left tempMatrix[matrixSize - 1 - j, i] = tempMatrix[matrixSize - 1 - i, matrixSize - 1 - j]; // move values from right to bottom tempMatrix[matrixSize - 1 - i, matrixSize - 1 - j] = tempMatrix[j, matrixSize - 1 - i]; // assign temp to right tempMatrix[j, matrixSize - 1 - i] = temp; } } } // Need help to avoid this duplication of display method, i am confused as where to put the display method for(int i = 0; i < matrixSize; i++) { for(int j = 0; j < matrixSize; j++) { Console.Write("{0}\t", tempMatrix[i, j]); } Console.WriteLine(""); } Console.WriteLine("\n"); } } public class Program { public static void Main() { // Change the size value here to for any NxN matrix where 1

Matrix rotate [ challange ]