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//Driver's License Exam;
//This program first enter the answer key with 20 answers
//then it will ask the student to enter his/her answer
//The program then totals up the number of questions answered correctly and incorrectly
//The student must answer at least 15 questions right in order to pass the exam.

#include <iostream>
#include <stdio.h>
//#include <string.h>


using namespace std;

char StudentAns(int );

int main()
{
int i, correct = 0, incorrect =0; //, total1, total2;

char *key = "BDAACABACDBCDADCBBDA"; //THE ANSWER KEY

char answer[20]; //DECLARE THE STUDENT ANSWER ARRAY

//STUDENT ENTER ANSWERS.
for(i = 0; i < 20; i++)
	{
		answer[i] = StudentAns(i);		
	}
	
//SHOW RESULT;
	cout << "THIS IS YOUR RESULT.\n";
	for(i = 0; i < 20; i++)
        {
            cout<<"Question "<<(i+1)<<":"<<endl;
		if(answer[i] == key[i])
		{
			cout << "was answered is correct.\n";
			correct++; //INTITIALIZE COUNTER FOR CORRECT ANSWER
		}
		else
		{
		cout << answer [i] << " is an incorrect choice.\n";
		incorrect++; //INNITIALIZE COUNTER FOR INCORRECT ANSWER
		}
	}

//	total1 += correct++; //TOTAL UP THE CORRECT ANSWERS
//	total2 += incorrect++; //TOTAL UP THE INCORRECT ANSWERS

	cout << "you have answered " << correct << " questions correctly.\n";
	cout << "You have answered " << incorrect << " questions incorrectly.\n";

	if (correct >= 15)
	{
		cout << "\nCONGRATUATIONS! YOU HAVE PASSED THE DRIVER'S LICENSE TEST.\n";
	}
	else 
	{
		cout << "\nSorry. You have failed the Driver's License Exam.\n";
		cout << "\nYou must answer at least 15 questions right in order to pass the exam.\n";
	}

	return 0;
}


char StudentAns(int i)
{
	
	char choice;
		
	cout << "Please enter your choice for Question " << i+1 << endl;
	cin >> choice;
	choice = toupper(choice);
		
	while (choice != 'A' && choice != 'B'&& choice != 'C' && choice != 'D')
	{
		cout << "You must enter A, B, C, or D.\n";
		cin >> choice;
                choice = toupper(choice);
	}

	return choice;
}

//Driver's License Exam; //This program first enter the answer key with 20 answers //then it will ask the student to enter his/her answer //The program then totals up the number of questions answered correctly and incorrectly //The student must answer at least 15 questions right in order to pass the exam. #include <iostream> #include <stdio.h> //#include <string.h> using namespace std; char StudentAns(int ); int main() { int i, correct = 0, incorrect =0; //, total1, total2; char *key = "BDAACABACDBCDADCBBDA"; //THE ANSWER KEY char answer[20]; //DECLARE THE STUDENT ANSWER ARRAY //STUDENT ENTER ANSWERS. for(i = 0; i < 20; i++) { answer[i] = StudentAns(i); } //SHOW RESULT; cout << "THIS IS YOUR RESULT.\n"; for(i = 0; i < 20; i++) { cout<<"Question "<<(i+1)<<":"<<endl; if(answer[i] == key[i]) { cout << "was answered is correct.\n"; correct++; //INTITIALIZE COUNTER FOR CORRECT ANSWER } else { cout << answer [i] << " is an incorrect choice.\n"; incorrect++; //INNITIALIZE COUNTER FOR INCORRECT ANSWER } } // total1 += correct++; //TOTAL UP THE CORRECT ANSWERS // total2 += incorrect++; //TOTAL UP THE INCORRECT ANSWERS cout << "you have answered " << correct << " questions correctly.\n"; cout << "You have answered " << incorrect << " questions incorrectly.\n"; if (correct >= 15) { cout << "\nCONGRATUATIONS! YOU HAVE PASSED THE DRIVER'S LICENSE TEST.\n"; } else { cout << "\nSorry. You have failed the Driver's License Exam.\n"; cout << "\nYou must answer at least 15 questions right in order to pass the exam.\n"; } return 0; } char StudentAns(int i) { char choice; cout << "Please enter your choice for Question " << i+1 << endl; cin >> choice; choice = toupper(choice); while (choice != 'A' && choice != 'B'&& choice != 'C' && choice != 'D') { cout << "You must enter A, B, C, or D.\n"; cin >> choice; choice = toupper(choice); } return choice; }

I tried to compile this and it worked out pretty well except for the totaling up the correct answers part. Can you guys please check it?

OMG. I think I'm fainting!