using System;

using Geometrie;

​

namespace Geometrie

{

    public class Punct

    {

        public double x, y;

        public string nume;

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

        {

            nume = denumire;

            x = a;

            y = b;

        }

​

        public void Afisare()

        {

            Console.Write(nume + "({0},{1})", 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 LSegment()

        {

            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:#.##} ", LSegment());

        }

    }

}

​

public class Program

{

    public static void Main()

    {

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

        s.Afis();

    }

}