View Code of Problem 42

#include<stdio.h>
#include<math.h>
int main()
{
  
  double a,b,c,x1,x2,N;
  scanf("%lf%lf%lf",&a,&b,&c);
  if(b*b-4*a*c>=0)
  {
  	N=sqrt(b*b-4*a*c);
  	x1=(-b+N)/(2*a);
  	x2=(-b-N)/(2*a);
  	if(x1>=x2)
  	{
	  	printf("%.2lf%.2lf\n",x1,x2);
  	}
	else{
		printf("%.2lf%.2lf\n",x2,x1);
	} 
  }
  else 
	printf("error\n");  
  return 0;
}