Need Help with To$-$Do Sections for Data Code

#include

using namespace std;

$//$ Specification for the IntStack class

class IntStack

$\{$

private:

int $*$stackArray; $//$ Pointer to the stack array

int stackSize; $//$ The stack size

int top; $//$ Indicates the top of the stack

public:

$//$ Constructor

IntStack$($int$)$;

$//$ Copy constructor

IntStack$($const IntStack &$)$;

$//$ Destructor

~IntStack$()$;

$//$ Stack operations

void push$($int$)$;

void pop$($int &$)$;

bool isFull$()$ const;

bool isEmpty$()$ const;

$\}$;

$//$ Specification for the MathStack class

class MathStack : public IntStack

$\{$

public:

$//$ Constructor

MathStack$($int s$)$ : IntStack$($s$)\{\}$

$//$ MathStack operations

void add$()$;

void sub$()$;

$//$ TO DO $1$: Add below the declaration for the multiplication function

$//$ TO DO $2$: Add below the declaration for the division function

$//$ TO DO $3$: Add below the declaration for the modulus function

$\}$;

$//$ The main function section below demonstrates usage of the MathStack class.

int main$()$

$\{$

int catchVar; $//$ To hold values popped off the stack

const int STACK$\_$SIZE $=2$; $//$ The minimum number of integers that the

$//$ stack can hold

$//$ Note that this usage portion of the MathStack class can be enhanced to

$//$ be user interactive. However, for this project and ease for the

$//$ evaluation, please simply use the non$-$interactive form below.

$//$ Create a MathStack object.

MathStack stack$($STACK$\_$SIZE$)$;

$//$ Push $3$ and $6$ onto the stack.

cout $<<$ "Pushing $3$

$"$;

stack.push$(3)$;

cout $<<$ "Pushing $6$

$"$;

stack.push$(6)$;

$//$ Add the two values.

stack.add$()$;

$//$ Pop the sum off the stack and display it$.$

cout $<<$ "The sum is $"$;

stack.pop$($catchVar$)$;

cout $<<$ catchVar $<<$ endl $<<$ endl;

$//$ Push $7$ and $10$ onto the stack

cout $<<$ "Pushing $7$

$"$;

stack.push$(7)$;

cout $<<$ "Pushing $10$

$"$;

stack.push$(10)$;

$//$ Subtract $7$ from $10.$

stack.sub$()$;

$//$ Pop the difference off the stack and display it$.$

cout $<<$ "The difference is $"$;

stack.pop$($catchVar$)$;

cout $<<$ catchVar $<<$ endl;

$//$ TO DO $7$: Provide below usage for the multiplication

$//$ TO DO $8$: Provide below usage for the division

$//$ TO DO $9$: Provide below usage for the modulus

$//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++$

$//$ DO NOT modify $($delete or add$)$ the code below at all.

cout $<<$ endl;

time$\_$t dateTime $=$ time$($NULL$)$;

string dateValue $=($char $*)($ctime$($&dateTime$))$;

$//$ Display a thankful message, a note, date and time, author's name, and

$//$ copyrights.

cout $<<"***************************************************************$

$"$;

cout $<<$ "Thank you for writing Project $3$ on your own. I hope you enjoyed

$"$

$<<$ "learning.

$"$

$<<"$

$"$

$<<$ "Note:

$"$

$<<"$ It is absolutely your responsibility to attend classes,

$"$

$<<"$ ask questions and to review previous concepts covered in

$"$

$<<"$ other programming courses. Finally, avoid excuses which do

$"$

$<<"$ do lead you to nowhere, but may set you up for failure.

$"$

$<<"$ This is my sincere and professional advice with no

$"$

$<<"$ disrespect. Keep in mind, $\backslash "$Easy way in$,$ hard way out.$\backslash "$

$"$

$<<"$ By Prof. Donathan Matthew, PhD$,$ SCJP

$"$

$<<"$

$"$

$<<$ "Date: $"<<$ dateValue $<<"$

$"$

$<<$ "Main Author: Prof. Donathan Matthew, PhD$,$ SCJP

$"$

$<<"$ All Rights Reserved

$"$

$<<"***************************************************************$

$"$;

$//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++$

$//$ End of DO NOT modify

return $0$;

$\}$

$//$ Implementation for the IntStach class

$//***********************************************$

$//$ Constructor $*$

$//$ This constructor creates an empty stack. The $*$

$//$ size parameter is the size of the stack. $*$

$//*****************************************$