Технол прог лаб1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace TPhome
{
    class Person
    {
        string name;
        string familia;
        DateTime birthday;
        public Person()
        {
            birthday = new DateTime(2000, 10, 10);
            name = "Иван";
            familia = "Иванов";
        }
        public Person(string name, string familia, DateTime date)
        {
            this.name = name;
            this.familia = familia;
            this.birthday = date;
        }
        public string Name
        {
            set { name = value; }
            get { return name; }
        }
        public string Familia
        {
            set { familia = value; }
            get { return familia; }
        }
        public DateTime Birthday
        {
            set { birthday = value; }
            get { return birthday; }
        }
        public int Year
        {
            set { birthday = birthday.AddYears(value - birthday.Year); }
            get { return birthday.Year; }
        }
        public override string ToString() { return "Имя " + this.name + "\nФамилия " + this.familia + "\nДата рождения " + birthday.ToString("D"); }
        public string ToShortString() { return "Имя " + this.name + "\nФамилия " + this.familia; }
    }
    enum Frequency
    {
        weekly,monthly,yearly
    }
    class Article
    {
        public Person avtor;
        public string title;
        public double rait;
        public Article()
        {
            avtor = new Person();
            title = "Статья по программированию";
            rait = 5;
        }
        public Article(Person avtor, string title, double raiting)
        {
            this.avtor = avtor;
            this.title = title;
            this.rait = raiting;
        }
        public double Raiting
        {
            set { rait = value; }
            get { return rait; }
        }
        public override string ToString() { return this.avtor.ToString() + "\nНазвание статьи " + this.title + "\nРейтинг статьи " + this.rait + "\n"; }
    }
    class Magazine
    {
        string titlemag;
        Frequency pereodichnost;
        DateTime datavihoda;
        int tiraj;
        private readonly List<Article> stati = new List<Article>();
        public Magazine()
        {
            titlemag = "Цифровой мир";
            pereodichnost = Frequency.weekly;
            datavihoda = DateTime.Now;
            tiraj = 1;
        }
        public Magazine(string title, Frequency periodoch, DateTime date, int tir)
        {
            this.titlemag = title;
            this.pereodichnost = periodoch;
            this.datavihoda = date;
            this.tiraj = tir;
        }
        public string Title
        {
            set { titlemag = value; }
            get { return titlemag; }
        }
        public Frequency Period
        {
            set { pereodichnost = value; }
            get { return pereodichnost; }
        }
        public DateTime Date
        {
            set { datavihoda = value; }
            get { return datavihoda; }
        }
        public int Tiraj
        {
            set { tiraj = value; }
            get { return tiraj; }
        }
        public Article[] Stati
        {
            get { return stati.ToArray(); }
        }
        public double srreit
        {
            get
            {
                if (stati.Count == 0)
                    return 0;
                else
                {
                    double sumball = 0;
                    foreach (Article a in stati)
                        sumball += a.rait;
                    return sumball / stati.Count;
                }
            }
        }
        public bool this[Frequency index]
        {
            get { return this.pereodichnost == index; }
        }
        public void AddArticles(params Article[] stati)
        {
            this.stati.AddRange(stati);
        }
        public override string ToString()
        {
            return String.Format("Название журнала: {0}\nПериодичность: {1}\nДата выхода: {2}\nТираж: {3}\nСтатьи: \n{4}", titlemag, pereodichnost, datavihoda.ToString("D"), tiraj, string.Join(",", stati));
        }
        public string ToShortString()
        {
            return String.Format("Название журнала: {0}\nПериодичность: {1}\nДата выхода: {2}\nТираж: {3}\nСредний рейтинг статей: {4}", titlemag, pereodichnost, datavihoda.ToString("D"), tiraj, srreit);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Magazine mag = new Magazine();
            mag.ToShortString();
            Console.WriteLine(mag[Frequency.monthly]);
            Console.WriteLine(mag[Frequency.weekly]);
            Console.WriteLine(mag[Frequency.yearly]);
            mag.AddArticles(new Article(new Person("Алексей", "Сергеев", new DateTime(1999, 2, 3)), "Новости робототехники", 5), new Article(new Person("Антон", "Доронин", new DateTime(1985, 5, 16)), "Новости C++", 4.3), new Article(new Person("Руслан", "Цветков", new DateTime(2001, 3, 9)), "Новости C#", 4.8));
            Console.WriteLine(mag.ToString());
            Console.WriteLine("Количество времени на операции в секундах");
            Article[] odnomer = new Article[10];
            Article[,] dvymer = new Article[2, 5];
            Article[][] stypench = new Article[4][];
            stypench[0] = new Article[1];
            stypench[1] = new Article[2];
            stypench[2] = new Article[3];
            stypench[3] = new Article[4];
            Console.WriteLine("Одномерный массив");
            long ms = DateTime.Now.Ticks;
            for (int i = 0; i < 10; i++)
                odnomer[i] = new Article();
            for (int i = 0; i < 10; i++)
                Console.WriteLine(odnomer[i]);
            Console.WriteLine("Затраченное время {0}с", (DateTime.Now.Ticks - ms)/1000.0);
            Console.WriteLine("Двумерный массив");
            ms = DateTime.Now.Ticks;
            for (int i = 0; i < 2; i++)
                for (int j = 0; j < 5; j++)
                    dvymer[i, j] = new Article();
            for (int i = 0; i < 2; i++)
                for (int j = 0; j < 5; j++)
                    Console.WriteLine(dvymer[i, j]);
            Console.WriteLine("Затраченное время {0}с", (DateTime.Now.Ticks - ms) / 1000.0);
            Console.WriteLine("Ступенчатый массив");
            ms = DateTime.Now.Ticks;
            for (int i = 0; i < 4; i++)
                for (int j = 0; j < i+1; j++)
                    stypench[i][j] = new Article();
            for (int i = 0; i < 4; i++)
                for (int j = 0; j < i+1; j++)
                    Console.WriteLine(stypench[i][j]);
            Console.WriteLine("Затраченное время {0}с", (DateTime.Now.Ticks - ms) / 1000.0);
            Console.ReadLine();
        }
    }
}