Создать трёхмерный динамический массив

string Quiz_name[1000];
    string Deadline_of_Quiz[1000];
    int Questions_amount[1000];
    int Answers_amount[1000];
    int ID;
    int q_a;
    int a_a;
    int counter = 0;
    cin >> ID;
    cin >> Questions_amount[ID];
    cin >> Answers_amount[ID];
 
    string** Questions = new string *[ID];// [QuizID] [Question number]
    string*** Answers = new string **[ID]; // Answers[QuizID][Question number][Answer number]
    int** Correct_Answer = new int *[ID];
    
    q_a = Questions_amount[ID];
    a_a = Answers_amount[ID];
    ///////////////////////////////////////
    for (int i = 0; i < q_a; ++i){
        Questions[i] = new string[q_a];
    }
    for (int h = 0; h < q_a; ++h){
        Answers[h] = new string *[q_a];
        for (int t = 0; t < a_a; ++t){
            Answers[h][t] = new string[a_a];
        }
    }
    for (int h = 0; h < q_a; ++h){
        Correct_Answer[h] = new int[q_a];
    }
 
    //////////////////////////////////////
 
    cout << "Name: " << Quiz_name[ID] << endl;
    cout << "Enter questions: " << endl;
    for (int y = 0; y < q_a; ++y){
        cout << y + 1 << ") ";
        cin.get();
        getline(cin, Questions[ID][y]);
        for (int u = 0; u < a_a; ++u){
            cout << u + 1 << ". ";
            getline(cin, Answers[ID][y][u]);
        }
        cout << "Enter correct answer for " << y + 1 << " question: ";
        cin >> Correct_Answer[ID][y];
    }