using System;

public class Program

{

    public static void Main()

    {

        double a, b, c, D, x1,x2;

        string s;

            Console.WriteLine("Ievadiet a= ");

            s=Console.ReadLine();

            a=double.Parse(s);

            Console.WriteLine("Ievadiet b= ");

            s=Console.ReadLine();

            b=double.Parse(s);

            Console.WriteLine("Ievadiet c= ");

            s=Console.ReadLine();

            c=double.Parse(s);

        D=b*b-4*a*c;

        if(D>0)

        {

            x1=(-b+Math.Sqrt(D))/(2*a);

            x2=(-b-Math.Sqrt(D))/(2*a);

            Console.WriteLine("x1= "+x1);

            Console.WriteLine("x2= "+x2);

        }

        else if(D==0)

        {

            x1=(-b+0)/(2*a);

            Console.WriteLine("x1= "+x1);

        }

        else

        {

    Console.WriteLine("Nav risinājumu");

     }

    //Console.ReadKey();

    }

}

​