View Code of Problem 42

#include<stdio.h>
#include<math.h>
int main()
{
  int a,b,c;
  double x1,x2,N;
  scanf("%d%d%d",&a,&b,&c);
  if(b*b-4*a*c>=0)
  {
  	N=sqrt(b*b-4*a*c);
  	x1=(-b+N)/2.0;
  	x2=(-b-N)/2.0;
  }
  printf("%.2f%.2f",x1,x2);
  return 0;
}