using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Dishant-53003180030");

        int a,b,c,d,realx,d1;

            double imaginary;

            Console.WriteLine("ENTER THE VALUE FOR a:");

            a = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("ENTER THE VALUE FOR b:");

            b = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("ENTER THE VALUE FOR c:");

            c = Convert.ToInt32(Console.ReadLine());

            d = (b * b) - (4 * a * c);

            if(a==0)

            {

                Console.WriteLine("NOT A QUADRATIC EQUATION");

            }

            else if(d<0)

            {

                Console.WriteLine("ROOTS ARE IMAGINARY");

                realx = -b / 2 * a;

                d1 = d * -1;

​

                imaginary = Math.Sqrt(d1) / 2 * a;

                Console.WriteLine("ROOTS ARE "+realx+"+i"+imaginary);

                Console.WriteLine("ROOTS ARE "+realx+"-i"+imaginary);

            }

            else if(d==0)

            {

                Console.WriteLine("ROOTS ARE REAL AND EQUAL");

                Console.WriteLine("ROOTS ARE :{0}",(-b/(2*a)));

            }

            else

            {

                Console.WriteLine("ROOTS ARE REAL AND DISTINCT");

                Console.WriteLine("ROOTS ARE ={0}\t{1}",((-b+Math.Sqrt(d))/(2*a)),((-b-Math.Sqrt(d))/(2*a)));

            }

​

        }

}