#include <stdio.h>
#include <math.h>

int main()
{
	float a, b, c, d; 
        float root1, root2;

	while (1)
        {

                printf("Enter the coefficients of a quadratic equation:\n");
               	printf("ax^2 + bx + c = 0 --> ");
        	scanf("%f %f %f", &a, &b, &c);
 
        	d = b * b - 4 * a * c;

               if (d < 0)
                    printf("No real root\n\n");
               else if (d == 0)
               {
        root1 = -b / (2 * a);    
        printf ("Equal roots\n"); 
	printf("Root = %.2f\n\n", root1);
      }
      else
      {
             root1 = (-b + sqrt(d) / (2 * a)) ;
             root2 = (-b - sqrt(d) / (2 * a)) ;
             printf("Two real roots\n");
             printf ("Root 1 = %.2f\n", root1);
             printf ("Root 2 = %.2f\n\n", root2);

 
      }
   }
	return 0;
}