Start OOP

#include <iostream>
#include <vector>
#include <random>

using namespace std;

struct Book {

    int id;
    int pages;
    float price;

};

struct library {
    Book classics[3];
    Book horror[3];
};

int main() {
    setlocale(0, "");

    Book c1 = { 1, 100, 50 };
    Book c2 = { 2, 100, 50 };
    Book c3 = { 3, 100, 50 };

    Book h1 = { 4, 200, 70 };
    Book h2 = { 5, 300, 70 };
    Book h3 = { 6, 400, 70 };

    library l1 = { {c1,c2,c3},{h1,h2,h3} };

    for (int i = 0; i < 3; i++) {

        cout << "Classics literature: " << endl;
        cout << "Book: " << endl;
        cout << "ID: " << l1.classics[i].id << endl;
        cout << "Pages: " << l1.classics[i].pages << endl;
        cout << "Price: " << l1.classics[i].price << endl;

    }
    cout << "\n\n";

    for (int i = 0; i < 3; i++) {

        cout << "Horror literature: " << endl;
        cout << "Book: " << endl;
        cout << "ID: " << l1.horror[i].id << endl;
        cout << "Pages: " << l1.horror[i].pages << endl;
        cout << "Price: " << l1.horror[i].price << endl;

    }



    system("pause");
    return 0;
}