#ifndef QUESTIONS_H
#define QUESTIONS_H

#include <iostream>
#include <string>
#include <vector>
#include <stdlib.h>
#include <ctime>

using namespace std;

//--------------------класс Question-------------
class Question
{
public:
    string question;    // вопрос
    string answer[4];   // ответы
    int rightAnswer;    // верный ответ

    Question();

    void edit();        // редактировать вопрос(целиком)
    void display();     // вывод
    bool ask();         // вывод вопрос с возможностью ответа
};

//--------------------класс QuestionList---------
class QuestionList
{
public:
    vector<Question> questionList;  // лист с вопросами
    bool results[5];                // результаты
    int randQuestions[5];           // номера предложенных вариантов

    QuestionList();

    void addQuestions();        // добавить вопросы
    bool checkRandQ(int n);     // возвращает false если массив содержит n
    void initRandQ();           // инициализация randQuestions
    void ask();                 // выводим вопросы
    void displayResult();       // выводим результаты

};

#endif // QUESTIONS_H

#include <questions.h>

Question::Question()
{

}

void Question::edit()
{
    cout << "Input question: "; getline(cin, question, '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    cout << "Possible answer 1: "; getline(cin, answer[0], '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    cout << "Possible answer 2: "; getline(cin, answer[1], '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    cout << "Possible answer 3: "; getline(cin, answer[2], '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    cout << "Possible answer 4: "; getline(cin, answer[3], '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    cout << "The right answer? "; cin >> rightAnswer;
}

void Question::display()
{
    cout << "Select the correct option\n";
    cout << '\t' << question << endl;
    cout << "1)" << answer[0] << endl;
    cout << "2)" << answer[1] << endl;
    cout << "3)" << answer[2] << endl;
    cout << "4)" << answer[3] << endl;
}

bool Question::ask()
{
    bool temp;
    int choice; // вариант выбранный пользователем
    // в цикле выводим вопрос(на случай указания не верного
    // диапазона ответов)
    do
    {
        display();
        cin >> choice;
        if(choice <= 0 || choice >= 5)
        {
            system("cls");
            cout << "No correct answer, please repeat:\n\n";
            continue;
        }
        temp = (choice == rightAnswer) ? true : false;
        break;
    }while(true);

    system("cls");
    return temp;
}

QuestionList::QuestionList()
{

}

void QuestionList::addQuestions()
{
    Question temp;
    char choice = 'y';
    do
    {
        temp.edit();
        questionList.push_back(temp);

        if(questionList.size() >=5)
        {
            cout << "Add more question? (y|n) ";
            cin >> choice;
        }
        cin.ignore(numeric_limits<streamsize>::max(), '\n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
    }while(choice != 'n' <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=" <img rel="usm" src="/SML/wink.gif" border="0" align="absmiddle" alt=";)" /> " /> " /> ;
}

bool QuestionList::checkRandQ(int n)
{
    /* пробегаем циклом по массиву, если массив
     * уже содержит число тов возвращаем 0
     * если нет иначе 1 по оконании цикла
     ****/
    for(int i = 0; i < 5; i++)
    {
        if(randQuestions[i] == n)
            return false;
    }
    return true;
}

void QuestionList::initRandQ()
{
    int n;
    for(int i = 0; i < 5; i++)
    {
        do
        {
            n = rand() % questionList.size();
        }while(!checkRandQ(n));
        randQuestions[i] = n;
    }
}

void QuestionList::ask()
{
    initRandQ();
    for(int i = 0; i < 5; i++)
    {
        results[i] = questionList[randQuestions[i]].ask();
    }
}

void QuestionList::displayResult()
{
    int count = 0;
    cout << "\nYou results: ";
    for(int i = 0; i < 5; i++)
    {
        cout << "\nQuestion " << i + 1;
        if(results[i])
        {
            cout << ": Right!";
            count++;
        }
        else
        {
            cout << ": is not true. Right answer: ";
            cout << questionList[randQuestions[i]].answer[questionList[randQuestions[i]].rightAnswer];
        }
    }
    cout << "You scored " << count << "/5";
}

#include <iostream>
#include <questions.h>

using namespace std;

int main()
{
    QuestionList qList;
    qList.addQuestions();
    qList.ask();
    qList.displayResult();

    system("pause");

    return 0;
}