(Repeat additions) Listing, SubtractionQuizLoop.cpp, generates five random subtraction que...

(Repeat additions) Listing, SubtractionQuizLoop.cpp, generates five random subtraction questions. Revise the program to generate ten random addition questions for two integers between 1 and 15. Display the correct count and test time.

Listing

1 #include 2 #include  // Needed for time function3 #include  // Needed for the srand and rand functions4 using namespace std;56 int main()7 {8 int correctCount = 0; // Count the number of correct answers9 int count = 0; // Count the number of questions10 long startTime = time(0);11 const int NUMBER_OF_QUESTIONS = 5;1213 srand(time(0)); // Set a random seed1415 while (count < NUMBER_OF_QUESTIONS)16 {17  // 1. Generate two random single-digit integers18  int number1 = rand() % 10;19  int number2 = rand() % 10;2021  // 2. If number1 < number2, swap number1 with number222  if (number1 < number2)23  {24   int temp = number1;25   number1 = number2;26   number2 = temp;27  }2829 // 3. Prompt the student to answer "what is number1 − number2 ?"30 cout << "What is " << number1 << " − " << number2 << "? ";        display a question31 int answer;32 cin >> answer;3334 // 4. Grade the answer and display the result35 if (number1 − number2 == answer)                      grade an answer36 {37  cout << "You are correct !\n";38  correctCount++ ;                              increase correct count39 }40 else 41 cout << "Your answer is wrong.\n" << number1   << " − " <<42 number2 << " should be " << (number1 − number2)  << end⌉;4344 // Increase the count45 count++ ;                                increase control variable46 }4748 long endTime = time(0);                         get end time49 long testTime = endTime − startTime;                  test time5051 cout << "Correct count is " << correctCount << "\nTest time is "   display result52 << testTime << "seconds \n";5354 return 0 ;55 }