Using toupper function in C++

I guys in this article I would like to share with you a sample program to show you how to use toupper function in a C++ program that I wrote in my C++ programming class in college. I hope you will find my work useful. Thank you.

I am currently accepting programming work, it projects, school 

programming projects, thesis and capstone projects, IT consulting 

work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

My personal website is http://www.jakerpomperada.com

Program Listing

// Addition of two numbers using two dimensional array

// November 1, 2018  Thursday

// Author: Mr. Jake R. Pomperada,MAED-IT

// www.jakerpomperada.com

// jakerpomperada@gmail.com

// jakerpomperada@jakerpomperada.com

// Product of Bacolod City, Negros Occidental Philippines

#include <iostream>

using namespace std;

int main()

{

int a[1][1];

char reply;

int sum=0;

do {

cout <<"\n\n";

cout << "Addition of Two Numbers Using Two Dimensional Array in C++";

cout <<"\n\n";

cout << "Enter first number : ";

cin >> a[0][0];

cout <<"Enter second number : ";

cin >> a[0][1];

sum = (a[0][0]) + (a[0][1]);

cout <<"\n\n";

cout << "The total sum is " << sum <<".";

cout <<"\n\n";

cout <<"Do you want to continue? Y/N : ";

cin >> reply;

} while(toupper(reply)=='Y');

cout <<"\n\n";

cout <<"\tEnd of Program";

cout <<"\n\n";

}