private double x;
            private double y;
            public Tacka()
            {

            }
            public Tacka(double x, double y)
            {
                this.x = x;
                this.y = y;
            }
            public override string ToString()
            {
                double poteg = Math.Sqrt(Math.Pow(x,2) + Math.Pow(y,2));
                double nagib=(x==0 && y==0)? 0 : Math.Atan2(y,x);

                return "\nX: " + x + "\nY: " + y + "\nPoteg: " + poteg + "\nNagib: " + nagib;
            }

            public double Rast(Tacka refT)
            {
                return Math.Sqrt(Math.Pow(this.x - refT.x, 2) + Math.Pow(this.y - refT.y, 2));
            }

            public static void Najbliza(Tacka t1, Tacka t2, Tacka t3, Tacka refT)
            {
                double[] niz=new double[3];
                Tacka[] nizT = new Tacka[3];

                nizT[0] = t1;
                nizT[1] = t2;
                nizT[2] = t3;

                niz[0] = t1.Rast(refT);
                niz[1] = t2.Rast(refT);
                niz[2] = t3.Rast(refT);

                Array.Sort(niz);

                for (int i = 0; i <= 2; i++)
                {
                    if (niz[0] == nizT[i].Rast(refT))
                    {
                        Console.WriteLine("\nNajbliza je {0}", nizT[i].ToString());
                        break;
                    }
                }
            }
        }