Assignment 7.txt

/*Student Name: Arno Dunstatter
Course Name: Programming Fundamentals
Course Number: CS1336
Section: 001
Due Date: 4/28/20
Date Completed: 4/29/30
Date Submitted: 4/29/20 */
#include <iostream>

using namespace std;

int main()
{
	char correctAnswers[20] = { 'A','D','B','B','C','B','A','B','C','D','A','C','D','B','D','C','C','A','D','B' }; //our correct answers
	char student[20]; //this will hold the student's answers
	char temp; //will hold the user input temporarily until validation can be performed
	int incorrect[20] = {}; //sets default value for all 20 entries to be 0
	int numCorrect = 0, numIncorrect = 0; //will store the total number of correct and incorrect answers

	cout << "Please enter the student's answers. Valid input is 'A', 'B', 'C', or 'D'.\n";
	for (int i = 0; i < 20; ++i) //this will collect all the student's answers and perform input validation
	{
		cin >> temp;
		while (temp != 'A' && temp != 'B' && temp != 'C' && temp != 'D') //input validation
		{
			cout << "That was not a valid input. Please try again: ";
			cin >> temp;
		}
		student[i] = temp; //only valid inputs will be stored in our student array
	}
	for (int i = 0; i < 20; ++i) //this checks the student's answers against the correct answers and updates our relevant variables and the array which holds the question numbers for questions answered incorrectly
	{
		if (correctAnswers[i] == student[i])
			++numCorrect; //increments the number of questions answered correctly
		else
		{
			++numIncorrect; //increments the number of questions answered incorrectly
			incorrect[i] = i + 1; //stores the question number which was answered incorrectly
		}
	}
	//the following if/else tree will output whether the student passed or failed
	if (numCorrect >= 15)
		cout << "The student passed.\n";
	else
		cout << "The student failed.\n";

	//this will output the number of answers answered correctly and incorrectly
	cout << "The student answered " << numCorrect << " questions correctly and " << numIncorrect << " questions incorrectly.\n";
	
	//the following will output the numbers of questiosn answered incorrectly
	cout << "The following is the list of question numbers which were answered incorrectly: \n";
	for (int i = 1; i < 20; ++i) //this will print out the list of questions answered incorrectly
	{
		if (incorrect[i] != 0) //if not default, then the answer was answered incorrectly
			cout << incorrect[i] << endl;
	}

	return 0; //signals the end of the program
}