/* Drivers license exam program to grade a 20 question test
*Put all the correct answers in 1 array, all the users answers in another
*compare arrays for # of correct answers
**student must get 15 out of 20 to pass
*tells student in this order
**Did they pass
**total number of correct questions
**total number of incorrect questions
**list showing the numbers of the questions that were wrong
*/
/*
***ANSWERS
//can only accept ABC or D as an answer
1. B 2. D 3. A 4. A 5. C 6. A 7. B 8. A 9. C 10. D 11. B 12. C 13. D 14. A 15. D 16. C 17. C 18. B 19. D 20. A
*/
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
int main()
{
const int QUESTIONS = 20; //1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
char correctAnswers[QUESTIONS] = {'B', 'D', 'A', 'A', 'C', 'A', 'B', 'A', 'C', 'D', 'B', 'C', 'D', 'A', 'D', 'C', 'C', 'B', 'D', 'A'};
//number of questions is 20 in the test, and then we store the answers in an array
char studentAnswers[QUESTIONS];
bool badEntry = false;
int answeredCorrectly = 0;
//we use char right & wrong to compare against since if we try to compare against 'A' it'll compare incorrectly
const char wrong = 'X', right = '.', A = 'A', B = 'B', C = 'C', D = 'D';
//now we use a for loop to go through the questions and store whether the answer was right or wrong
/*for (int x = 0; x < QUESTIONS;)
{
cout << "Please enter the answer for question #" << (x + 1) << endl;
cin >> studentAnswers[x];
if (studentAnswers[x] != A || B)
{
badEntry = true;
while (badEntry = true)
{
cout << "Invalid entry, please enter A, B, C, or D" << endl;
cin >> studentAnswers[x];
if (studentAnswers[x] == A || B)
badEntry = false;
}
}
}*/
//here's where we check for an invalid entry
//stores the answer and replaces the students answer with whether it was right or wrong
if (studentAnswers[x] == correctAnswers[x])
{
answeredCorrectly++;
studentAnswers[x] = '.';
}
else
studentAnswers[x] = 'X';
x++;
}
//now that we have cycled through all the questions and gotten the answers, heres the info we have
//questions have been entered
//judged whether they were right or wrong
//stored Y or N in the studentAnswer array so we can tell them which questions were wrong
//now we just output all of it
/*
**Did they pass
**total number of correct questions
**total number of incorrect questions
**list showing the numbers of the questions that were wrong
*/
//need to use strcmp to compare the char arrays
if (answeredCorrectly >= 15)
cout << endl << "Congratulations, you passed!" << endl << endl;
if (answeredCorrectly < 15)
cout << endl << "You failed, better work on those pipe laying skills!" << endl << endl;
cout << "You got " << answeredCorrectly << " questions right." << endl;
cout << "You got " << (20 - answeredCorrectly) << " questions wrong." << endl << endl;
cout << "The questions you got wrong were" << endl;
for (int y = 0; y < QUESTIONS; y++)
{
if (studentAnswers[y] == wrong)
cout << "Question " << (y + 1 ) << ": " << studentAnswers[y] << endl;
//if (studentAnswers[y] = 'N')
//cout << "Question " << (y + 1) << endl;
}
cout << "Please press any key then hit enter to exit" << endl;
cin >> answeredCorrectly;
}
