View Code of Problem 42

#include<stdio.h>
#include<math.h>
int main(){
	int a,b,c;
	double x1,x2; 
	scanf("%d%d%d",&a,&b,&c);
	//printf("你输入的方程是%dx^2+%dx+%d=0\n",a,b,c);
	x1=b*b-4*a*c; 
	x1=-b+sqrt(x1);
	x1=x1/(2*a);
	x2=b*b-4*a*c; 
	x2=-b-sqrt(x2);
	x2=x2/(2*a);
	printf("%.2lf %.2lf",x1,x2);
}