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#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>
#include <string>
using namespace std;
const int SIZE_OF_QUESTION = 125;
string questions[SIZE_OF_QUESTION];
//Global Variables
string question, answer;
int i = 0;
double yourScore = 0, totalScore = 25, percentage;
const int ONEQUESTION = 5, x = 1;
char userAnswer[25] = {};
char answerKey[SIZE_OF_QUESTION] =
// 1, 2, 3
{'x','x','x','x','C','x','x','x','x','C','x','x','x','x','A',
// 4, 5, 6
'x','x','x','x','A','x','x','x','x','C','x','x','x','x','A',
// 7, 8, 9
'x','x','x','x','B','x','x','x','x','A','x','x','x','x','B',
// 10, 11, 12
'x','x','x','x','B','x','x','x','x','B','x','x','x','x','B',
// 13, 14, 15
'x','x','x','x','D','x','x','x','x','C','x','x','x','x','C',
// 16, 17, 18
'x','x','x','x','D','x','x','x','x','B','x','x','x','x','A',
// 19, 20, 21
'x','x','x','x','C','x','x','x','x','A','x','x','x','x','A',
// 22, 23, 24
'x','x','x','x','C','x','x','x','x','B','x','x','x','x','C',
// 25
'x','x','x','x','B'};
//Functions Header
string getQuestion();
string checkAnswer();
void result();
int main()
{
cout << "========================================================="<<endl;
cout << "NOTE: Please enter all your answer an UPPERCASE LETTER!!!"<<endl;
cout << "\nThis is your exam with 25 multiple choice questions."<<endl;
cout << "=========================================================\n"<<endl;
//cout << "---------------------------------------";
//cout << "-----------------------------------------";
getQuestion();
//checkAnswer();
result();
}
string getQuestion()
{
int i = 0, line = 0, questionNumber = 0;
ifstream inFile;
inFile.open("QuestionsAndAnswers2.txt");
//Check if it opened, if not end the program
if(inFile.fail())
{
cout << "Unable to open the file.\n";
exit(0);
}
if(inFile.good())
{
cout << "---------------------------------------";
cout << "-----------------------------------------";
questionNumber++;
if(questionNumber % x == 0)
{
cout << "Question "<<questionNumber<<":"<<endl;
}
//Step 1: Read in the list of questions and answers into an array of strings
for(int i = 0; i < 125; i++)
{
getline(inFile, questions[i]);
question = questions[i];
cout << question<<endl;
//Step 2: Read the first five lines which equal one question
// line 0 --> onequestion = 5, which mean read line 1-5
line++;
if(line % ONEQUESTION == 0)
{
//Step 3: Get the user input and stored into array userAnswer[i]
cout << "\nPlease enter your answer: " ;
cin >> userAnswer[i];
//Check for answer entered properly
if(userAnswer[i] == 'A' || userAnswer[i] == 'B' ||
userAnswer[i] == 'C' || userAnswer[i] == 'D')
{
//leave it blank because user input UPPERCASE LETTER
}
else
{
while(!(userAnswer[i] == 'A' || userAnswer[i] == 'B' ||
userAnswer[i] == 'C' || userAnswer[i] == 'D'))
{
cout << "\nINVALID INPUTE: Please enter (A-D) an UPPERCASE LETTER!!!.\a" <<endl;
cout << "Please try again: ";
cin >> userAnswer[i];
}
}
if(userAnswer[i] == answerKey[i])
{
cout << "CORRECTED"<<endl;
yourScore++;
}
else
{
cout << "INCORRECTED \nThe CORRECT answer is "<<answerKey[i]<<endl;
}
cout << "---------------------------------------";
cout << "-----------------------------------------";
//count question number increment each question
questionNumber++;
if(questionNumber % x == 0)
{
//avoid last input
if(questionNumber == 26)
{
break;
}
cout << "Question "<<questionNumber<<":"<<endl;
}
}
}
}
inFile.close();
return question;
}//end getQuestion function
string checkAnswer()
{
}
void result()
{
cout << "You answered "<<yourScore<<"/"
<<totalScore<< " questions correctly on this exam."<<endl;
percentage = (yourScore/totalScore)*100;
cout << "\nThat is a score of "<<percentage<<"%,";
if(percentage >= 90)
cout << " which is a A."<<endl;
else if(percentage >=80)
cout << " which is a B."<<endl;
else if(percentage >=70)
cout << " which is a C."<<endl;
else if(percentage >=60)
cout << " which is a D."<<endl;
else
cout << " which is a F."<<endl;
}
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