Exercise $2-2D$ array manipulation

Exercise Objectives

Rows and column swapping, shifting, array transpose, etc.

Problem Description

Inside the "Lab$8"$ folder, create a project named "Lab$8$Ex$3".$ Use this project to write and run a C program that performs the following:

Initialize a char $2$D array with:

ABC

DEF

G HI

Print the main and the secondary diagonals.

Output:

Main Diagonal: AEI.

Secondary: CE G$.$

Replace the values of the diagonals with $(*)$ and print the array.

Output:

$B*$

$D*F$

$*H$