Quiz Game in C++

Difficulty Level : Medium
Last Updated : 25 Feb, 2021
In this article, the task is to create a quiz game where the user will be asked questions and the result of each question whether it is correct or wrong with the updated score will be shown.
Below is the implementation of the same:
C++

// C++ program for the above approach
#include <iostream>
#include <string>
using namespace std;
  
int Guess;
int Total;
  
// Question Class
class Question {
private:
    string Question_Text;
    string Answer_1;
    string Answer_2;
    string Answer_3;
    string Answer_4;
    int Correct_Answer;
    int Question_Score;
  
public:
    // Setter Function
    void setValues(string, string,
                   string, string,
                   string, int, int);
  
    // Function to ask questions
    void askQuestion();
};
  
// Driver code
int main()
{
    cout << "\n\n\t\t\t\tTHE DAILY QUIZ"
         << endl;
    cout << "\nPress Enter to start "
         << "the quiz... " << endl;
  
    // Input
    cin.get();
  
    string Name;
    int Age;
  
    // Input the details
    cout << "What is your name?"
         << endl;
    cin >> Name;
    cout << endl;
  
    cout << "How old are you?"
         << endl;
    cin >> Age;
    cout << endl;
  
    string Respond;
    cout << "Are you ready to take"
         << " the quiz " << Name
         << "? yes/no" << endl;
    cin >> Respond;
  
    if (Respond == "yes") {
        cout << endl;
        cout << "Good Luck!" << endl;
    }
    else {
        cout << "Okay Good Bye!" << endl;
        return 0;
    }
  
    // Objects of Question Class
    Question q1;
    Question q2;
    Question q3;
    Question q4;
    Question q5;
    Question q6;
    Question q7;
    Question q8;
    Question q9;
    Question q10;
  
    // 3 is the position of
    // correct answer
    q1.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q2.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q3.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q4.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q5.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q6.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q7.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q8.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q9.setValues("Question : ", "Answer 1",
                 "Answer 2", "Answer 3",
                 "Answer 4", 3, 10);
    q10.setValues("Question : ", "Answer 1",
                  "Answer 2", "Answer 3",
                  "Answer 4", 3, 10);
  
    q1.askQuestion();
    q2.askQuestion();
    q3.askQuestion();
    q4.askQuestion();
    q5.askQuestion();
    q6.askQuestion();
    q7.askQuestion();
    q8.askQuestion();
    q9.askQuestion();
    q10.askQuestion();
  
    // Display the total score
    cout << "Total Score = " << Total
         << "out of 100" << endl;
  
    // Display the results
  
    // If the player pass the quiz
    if (Total >= 70) {
        cout << "Congrats you passed the"
             << " quiz!" << endl;
    }
  
    // Otherwise
    else {
        cout << "Alas! You failed the quiz."
             << endl;
        cout << "Better luck next time."
             << endl;
    }
    return 0;
}
  
// Function to set the values of
// the questions
void Question::setValues(
    string q, string a1,
    string a2, string a3,
    string a4, int ca, int pa)
{
    Question_Text = q;
    Answer_1 = a1;
    Answer_2 = a2;
    Answer_3 = a3;
    Answer_4 = a4;
    Correct_Answer = ca;
    Question_Score = pa;
}
  
// Function to ask questions
void Question::askQuestion()
{
    cout << endl;
  
    // Print the questions
    cout << Question_Text << endl;
    cout << "1. " << Answer_1 << endl;
    cout << "2. " << Answer_2 << endl;
    cout << "3. " << Answer_3 << endl;
    cout << "4. " << Answer_4 << endl;
    cout << endl;
  
    // Display the answer
    cout << "What is your answer?(in number)"
         << endl;
    cin >> Guess;
  
    // If the answer is correct
    if (Guess == Correct_Answer) {
        cout << endl;
        cout << "Correct !" << endl;
  
        // Update the correct score
        Total = Total + Question_Score;
        cout << "Score = " << Question_Score
             << " out of "
             << Question_Score
             << "!" << endl;
        cout << endl;
    }
  
    // Otherise
    else {
        cout << endl;
        cout << "Wrong !" << endl;
        cout << "Score = 0"
             << " out of "
             << Question_Score
             << "!" << endl;
        cout << "Correct answer = "
             << Correct_Answer
             << "." << endl;
        cout << endl;
    }
}
Output:
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