using System;

using Geometrie;

​

namespace Geometrie

{

    public class Punct

    {

        public string nume;

        public double x, y;

            public Punct(string denumire, double a, double b)

            {

                nume = denumire;

                x = a;

                y = b;

            }

​

        public void Afisare()

        {

            Console.WriteLine("{0}({1},{2})", nume, x, y);

        }

    }

}

​

public class Segment

{

    string nume;

    Punct a, b;

    public Segment(string denumire, double ax, double ay, double bx, double by)

    {

        nume=denumire;

        a = new Punct(nume.Substring(0,1),ax,ay);

        b = new Punct(nume.Substring(1,1),bx,by);

    }

​

    public double Lungime()

    {

        return System.Math.Sqrt((b.x - a.x) * (b.x - a.x) + (b.y - a.y) * (b.y - a.y));

    }

    public void Afis()

    {

        Console.Write("Distanta dintre");

        a.Afisare();

        Console.Write("si");

        b.Afisare();

        Console.Write("este{0.#:##}", Lungime());

    }

}

​

public class Program

{

    public static void Main()

    {

        Segment s=new Segment("AB", 0, 3, 4, 0);

        s.Afis();

    }

}