View Code of Problem 42

#include<stdio.h>
#include<math.h>
int main()
{
	int a,b,c;
	scanf("%d%d%d",&a,&b,&c);
	
	double x1,x2,y1,t;
	t=b*b-4*a*c;
	if(t<0){
		printf("无解"); 
	}else{	
	  y1=sqrt(b*b-4*a*c);
	  x1=-1.0*b/2.0*a+y1/2.0*a;
	  x2=-1.0*b/2.0*a-y1/2.0*a;
      printf("%.2f %.2f",x1,x2);
	} 
	return 0;
 }