//Amari Mosley CSC5 Chapter 3, P. 143, #15 
// 
/************************************************************** 
 * 
 * Math Tutor 
 * ____________________________________________________________
 * This program can be used as a math tutor for a young student. 
 * 
	The formula for sum is as follows:
	Sum = num1 + num2
 * ____________________________________________________________
 * INPUT 
 * User pressing 'Enter' to reveal the answer
 * OUTPUT 
 * Two random numbers and their sum
 * 
 **************************************************************/ 
#include <iostream> 
#include <iomanip> 
#include <cstdlib> 
#include <ctime>   
using namespace std; 
 
// Defining Main Function 
int main() {
    // Define variables to hold the two random numbers and the sum
    int num1, num2, sum;
 
    // Get the system time to use as the seed for the random number generator
    unsigned seed = time(0);
 
    // Seed the random number generator
    srand(seed);
 
    // Generate two random 3-digit numbers (between 100 and 999)
    num1 = (rand() % 900) + 100;
    num2 = (rand() % 900) + 100;
 
    // Calculate the sum
    sum = num1 + num2;
 
    // Display the problem formatted as requested[cite: 5]
    cout << setw(5) << num1 << endl;
    cout << "+" << setw(4) << num2 << endl;
    cout << "-----" << endl;
 
    // Pause the program while the student works on the problem[cite: 5]
    cout << "\nPress Enter when you are ready to check your answer...";
    cin.get(); 
 
    // Display the problem again along with the correct solution[cite: 5]
    cout << "\n";
    cout << setw(5) << num1 << endl;
    cout << "+" << setw(4) << num2 << endl;
    cout << "-----" << endl;
    cout << setw(5) << sum << endl;
 
    return 0;
}

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