Лаба 7 Вариант 8

#include "pch.h" //для версий вижлы старше последних версий 2017 здесь должно быть #include "stdafx.h"
#include <iostream>

using namespace std;

struct BookData
{
    int id;
    char author[50];
    char title[50];
    int year;
    char publisher[50];
    int page_cnt;
};


int main()
{
    int n;
    cout << "Enter number of books:";
    cin >> n;

    BookData * data = new BookData[n];


    for (int i = 0; i < n; i++)
    {
        cout << i + 1 << endl;

        cout << "Enter id:";
        cin >> data[i].id;
        cin.ignore(1, '\n');
        cout << "Enter author:";
        cin.getline(data[i].author, 50);
        cout << "Enter title:";
        cin.getline(data[i].title, 50);
        cout << "Enter year:";
        cin >> data[i].year;
        cin.ignore(1, '\n');
        cout << "Enter publisher:";
        cin.getline(data[i].publisher, 50);
        cout << "Enter number of pages:";
        cin >> data[i].page_cnt;
    }

    int year;
    cout << "Enter year to filter:";
    cin >> year;

    BookData * filtered_data = new BookData[n];
    int filtered_cnt = 0;

    //filter
    for (int i = 0; i < n; i++)
    {
        if (data[i].year > year)
        {
            filtered_data[filtered_cnt++] = data[i];
        }
    }

    //sort
    for (int i = filtered_cnt - 1; i >= 0; i--)
    {
        for (int j = 0; j < i; j++)
        {
            if (strcmp(filtered_data[j].author, filtered_data[j + 1].author) > 0)
            {
                BookData temp = filtered_data[j];
                filtered_data[j] = filtered_data[j + 1];
                filtered_data[j + 1] = temp;
            }
        }
    }

    //print result

    for (int i = 0; i < filtered_cnt; i++)
    {
        cout << i + 1 << endl;

        //cin.ignore(1, '\n');

        cout << "Id: " << filtered_data[i].id << endl;
        cout << "Author: " << filtered_data[i].author << endl;
        cout << "Title: " << filtered_data[i].title << endl;
        cout << "Year: " << filtered_data[i].year << endl;
        cout << "Publisher: " << filtered_data[i].publisher << endl;
        cout << "Number of pages:" << filtered_data[i].page_cnt << endl;
    }

    return 0;
}