Please write a C$++$code and please explain every line of code and make sure the code is as basic as possible since its a programming $1$ course

Question $2$: $[10$ points$]$

Write a main program that declares a matrix $A($with integer elements$),$ i$.$e$.,$ a $2D$ array with $2$ rows and $5$ columns. The program first reads the elements of the matrix from the user through Keyboard one by one, row$-$wise. The program then calculates and prints the largest element present in the first row $($row $0)$ of the matrix A$.$ Your program must use looping structure$($s$).$

#include $($iostream$)$

using namespace std;

void main$)$

$/$ Your code here