Sorting

#include <iostream>
#include <string.h>
#include<limits>


using namespace std;

struct Book {
    char title[50];
    char author[50];
    int isbn;
    int publishingYear;
};


int main() {

    // Create a program which sorts an array of books based on publishing year, descending

    struct Book books[3];
    int n = 2;
    for(int i = 0; i < n; i++) {


        cout << "Enter title: ";
        cin.getline(books[i].title, 50);

        cout << "\nEnter author: ";
        cin.getline(books[i].author, 50);

        cout << "\nEnter publishing year: ";
        cin >> books[i].publishingYear;
        cin.ignore(numeric_limits<streamsize>::max(),'\n');

        cout << "\nEnter isbn: ";
        cin >> books[i].isbn;
        cin.ignore(numeric_limits<streamsize>::max(),'\n');

    }

    cout << "===============================\n";
    cout << "Books before sorting: \n\n";
    cout << "Author\tTitle\tISBN\t#Publishing Year\n";
    for(int i = 0; i < n;i++) {
        cout <<books[i].author <<"\t" << books[i].title << "\t" << books[i].isbn << "\t" << books[i].publishingYear;
        cout << endl;
    }

    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n-1;j++) {
            if(books[j].publishingYear < books[j+1].publishingYear) {
                struct Book aux = books[j];
                books[j] = books[j+1];
                books[j+1] = aux;
            }
        }
    }
    cout << "===============================\n\n";

    cout << "Books after sorting: \n\n";
    cout << "Author\tTitle\tISBN\t#Publishing Year\n";
    for(int i = 0; i < n;i++) {
        cout <<books[i].author <<"\t" << books[i].title << "\t" << books[i].isbn << "\t" << books[i].publishingYear;
        cout << endl;
    }

    return 0;
}