Modify the following program so it displays a menu allowing the user to select an addition, subtraction, multiplication, or division problem. The final selection on the menu should let the user quit the program. After the user has finished the math problem, the program should display the menu again. This process is repeated until the user chooses to quit the program. Input Validation: If the user selects an item not on the menu, display an error message and display the menu again.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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C++ Visual Studio

Modify the following program so it displays a menu allowing the user to select an addition, subtraction, multiplication, or division problem. The final selection on the menu should let the user quit the program. After the user has finished the math problem, the program should display the menu again. This process is repeated until the user chooses to quit the program.

Input Validation: If the user selects an item not on the menu, display an error message and display the menu again.

Code:

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <conio.h>

using namespace std;

int main() {
srand(static_cast<unsigned int>(time(nullptr)));

while (true) {
// Generate two random numbers.
int num1 = rand() % 1000;
int num2 = rand() % 1000;

// Display the problem.
cout << "Solve the following math problem:" << endl;
cout << num1 << " + " << num2 << endl;

// Wait for user input to reveal the answer.
cout << "Press any key to reveal the answer...";
_getch(); // Wait for a key press
cout << endl;

// Display the correct solution.
int sum = num1 + num2;
cout << num1 << " + " << num2 << " = " << sum << endl;

// Ask if user wants to continue.
cout << "Do you want to try another problem? (y/n): ";
char choice = _getch();
cout << endl;

if (choice != 'y' && choice != 'Y') {
break; // Exit the loop if the user doesn't want to continue
}

// Clear the screen for the next problem
system("cls");
}

cout << "You may exit the program." << endl;

return 0;
}

 

Thank you!

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