#include <iostream>
#include <string>
#include <fstream>

using namespace std;

void OpenFile(/* out */ ifstream & instr);
void Get_Number_Of_Questions(/* inout */ ifstream & ifstr, int & NQ);
void Ask_Questions(ifstream & instr, int NQ ,int  & CA);
void Print_Score(int NumberOfQuestions,int CorrectAnswers);


int main () {
    ifstream infile;
    int NumberOfQuestions;
    int CorrectAnswers;


    OpenFile(infile);
    Get_Number_Of_Questions(infile,NumberOfQuestions);
    Ask_Questions(infile,NumberOfQuestions,CorrectAnswers);
    Print_Score(NumberOfQuestions,CorrectAnswers);

    return 0;
}

void OpenFile(ifstream & instr){
    string InFileName;

    cout << "Enter the name of a quiz file " ;
    cin >> InFileName;
    
    instr.open(InFileName.c_str());
    return;
}

void Get_Number_Of_Questions(ifstream & ifstr, int & NQ) {
    ifstr >> NQ;
    return;
}

void  Grade_Question(int CorrectAnswer,int  Response,int & CA){
   if (CorrectAnswer == Response) {
      CA ++;
   }
   return;
}

void Read_Question_Stats(ifstream & instr, int & Number, int & Right) {
   instr >> Number;
   instr >> Right;
   instr.ignore(80,'\n');

   return;
}

void Ask_Question(ifstream & infile) {
    string Question;

    getline(infile, Question);
    cout << Question << endl ;

    return;
}

void Give_Answers(ifstream & infile, int  NumberOfAnswers){
    int i;
    string Answer;

    i = 1;
    while (i <= NumberOfAnswers) {
        getline(infile, Answer);
        cout << "\t\t" << i << "..." << Answer<< endl;
        i++;
    }

}

void Get_Response(int NumberOfAnswers, int & Response){

    Response = 0;

    while ((Response <1) || (Response >NumberOfAnswers)) {
        cout << "Your Answer (1.." << NumberOfAnswers << "): ";
        cin >> Response;
    }
    return;
}


void Ask_Questions(ifstream & instr, int NQ ,int  & CA){
    int Question = 0;
    int NumberOfAnswers,
        CorrectAnswer,
        Response;

    CA = 0;
    while (Question < NQ) {
       Read_Question_Stats(instr, NumberOfAnswers, CorrectAnswer);
       Ask_Question(instr );
       Give_Answers(instr, NumberOfAnswers);
       Get_Response(NumberOfAnswers, Response);
       Grade_Question(CorrectAnswer, Response,CA);
       Question ++;
    }
    return;
}

void Print_Score(int NumberOfQuestions,int CorrectAnswers){
    cout << "You got " << CorrectAnswers << " out of " << NumberOfQuestions 
        << " Correct " << endl;

    return;
}