P13ex4

Program.cs

using System;
using System.IO;
using System.Text;
using System.Collections.Generic;

namespace test
{
    class Program
    {
        static void Main (string[] args)
        {
            using (StreamReader fileIn = new StreamReader ("/Users/masha/Projects/test/test/test.txt"))
            {
                int n = int.Parse (fileIn.ReadLine ());
                Transport[] list = new Transport[n];
                for (int i = 0; i < n; i++)
                {
                    string[] s = fileIn.ReadLine ().Split (' ');
                    if (Convert.ToChar (s [0]) == 'c') {
                        list [i] = new Car (s [1], int.Parse (s [2]), int.Parse (s [3]), int.Parse (s [4]));
                    } else if (Convert.ToChar (s [0]) == 'm') {
                        list [i] = new Motorcycle (s [1], int.Parse (s [2]), int.Parse (s [3]), int.Parse (s [4]), s[5]);
                    } else {
                        list [i] = new Truck (s [1], int.Parse (s [2]), int.Parse (s [3]), int.Parse (s [4]), s[5]);
                    }

                }

                for (int i = 0; i < list.Length; i++)
                    list [i].Show ();

                Console.WriteLine ();

                Array.Sort (list);

                for (int i = 0; i < list.Length; i++)
                    list [i].Show ();

                Console.WriteLine();

                for (int i = 0; i < list.Length; i++)
                {
                    if (list [i].Capacity() == 20)
                        list [i].Show();
                }
            }
        }
    }
}
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Transport.cs

using System;

namespace test
{
    abstract public class Transport: IComparable
    {
        abstract public void Show();
        abstract public int Capacity();
        abstract public bool Find(int a);
        abstract public int CompareTo(object obj);
        protected string model;
        protected int number;
        protected int speed;
        protected int capacity;

        public string Model
        {
            get
            {
                return model;
            }
            set
            {
                model = value;
            }
        }

        public int Number
        {
            get
            {
                return number;
            }
            set
            {
                if (value > 0)
                    number = value;
                else
                {
                    number = 0;
                    Console.WriteLine ("Incorrect number");
                }
            }
        }

        public int Speed
        {
            get
            {
                return speed;
            }
            set
            {
                if (value > 0)
                    speed = value;
                else
                {
                    speed = 0;
                    Console.WriteLine ("Incorrect speed");
                }
            }
        }

        public int Cap
        {
            get
            {
                return capacity;
            }
            set
            {
                if (value >= 0)
                    capacity = value;
                else
                {
                    capacity = 0;
                    Console.WriteLine ("Incorrect capacity");
                }
            }
        }
    }
}
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Car.cs

using System;

namespace test
{
    public class Car: Transport
    {
        //конструкторы
        public Car ()
        {
        }

        public Car(string model, int number, int speed, int capacity)
        {
            this.model = model;
            this.number = number;
            this.speed = speed;
            this.capacity = capacity;
        }

        //методы
        public override void Show()
        {
            Console.WriteLine ("Car: Model - {0}, Num {1}, with speed = {2}km/h and capacity = {3} ",
                                model, number, speed, capacity);
        }

        public override int Capacity()
        {
            return capacity;
        }

        public override bool Find (int a)
        {
            if (a == this.capacity)
                return true;
            else
                return false;
        }

        public override int CompareTo (object obj)
        {
            Transport item = (Transport) obj;
            if (this.Capacity () == item.Capacity ())
            {
                return 0;
            }
            else
            {
                if (this.Capacity () > item.Capacity ())
                {
                    return 1;
                }
                else
                {
                    return -1;
                }
            }
        }
    }
}

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Motorcycle.cs

using System;

namespace test
{
    public class Motorcycle: Car
    {
        protected string sidecar;

        public Motorcycle ()
        {
        }

        public Motorcycle (string model, int number, int speed, int capacity, string sidecar)
        {
            this.model = model;
            this.number = number;
            this.speed = speed;
            this.capacity = capacity;
            this.sidecar = sidecar;
        }

        public override void Show()
        {
            Console.WriteLine ("Moto: Model - {0}, Sidecar - {4}, Num {1}, with speed = {2}km/h and capacity = {3} ",
                model, number, speed, Capacity(), sidecar);
        }

        public override int Capacity()
        {
            if (sidecar != "sidecar")
                return 0;
            else
                return capacity;
        }

        public string Sidecar
        {
            get
            {
                return sidecar;
            }
            set
            {
                sidecar = value;
            }
        }

        public override bool Find (int a)
        {
            if (a == this.capacity)
                return true;
            else
                return false;
        }

        public override int CompareTo (object obj)
        {
            Car item = (Car) obj;
            if (this.Capacity () == item.Capacity ())
            {
                return 0;
            }
            else
            {
                if (this.Capacity () > item.Capacity ())
                {
                    return 1;
                }
                else
                {
                    return -1;
                }
            }
        }
    }
}
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Truck.cs

using System;

namespace test
{
    public class Truck: Car
    {
        protected string trailer;

        public Truck ()
        {
        }

        public Truck (string model, int number, int speed, int capacity, string trailer)
        {
            this.model = model;
            this.number = number;
            this.speed = speed;
            this.capacity = capacity;
            this.trailer = trailer;
        }

        public override void Show()
        {
            Console.WriteLine ("Truck: Model - {0}, Trailer - {4}, Num {1}, with speed = {2}km/h and capacity = {3} ",
                model, number, speed, Capacity(), trailer);
        }

        public override int Capacity()
        {
            if (trailer == "trailer")
                return 2*capacity;
            else
                return capacity;
        }

        public string Trailer
        {
            get
            {
                return trailer;
            }
            set
            {
                trailer = value;
            }
        }

        public override bool Find (int a)
        {
            if (a == this.capacity)
                return true;
            else
                return false;
        }

        public override int CompareTo (object obj)
        {
            Car item = (Car) obj;
            if (this.Capacity () == item.Capacity ())
            {
                return 0;
            }
            else
            {
                if (this.Capacity () > item.Capacity ())
                {
                    return 1;
                }
                else
                {
                    return -1;
                }
            }
        }
    }
}
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test.txt

6
c model1 123 200 10
c model2 234 200 10
t model3 345 150 10 trailer
m model4 456 300 10 sidecar
t model5 567 150 10 no_trailer
m model6 678 300 10 no_sidecar