View Code of Problem 42

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