Write a C$++$ program that uses a nested loop to print a box based on character

and dimension provided by the user.

You should have a function to read the character to use, so its prototype can be

something like this.

char readChar$()$;

Another function to read the value for the row and also for the columns. That is$,$

you will use the same function to read both these two different values. Its

prototype can be something like this:

int getNum$($string$)$;

You will pass different values for the string argument to indicate which one you

are trying to get. For example, you can use statement below to read value for

rows.

rows $=$ getNum$($How many rows? $)$;

Similarly, to get the value for the columns into the variable cols, we will call the

same getNum$()$ function but now with a different string. So$,$ it will be:

cols $=$ getNum$($How many columns? $)$;

Remember to validate the value entered in the getNum$()$ function such that only

positive values are accepted.

Lastly a function to print the box, and the function header can be something like

this:

void printBox$($int rows,int cols,char ch$)$;