import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner keyboard=new Scanner(System.in);
double a=keyboard.nextDouble();
double b=keyboard.nextDouble();
double c=keyboard.nextDouble();
while(a>100||a<-100){
a=keyboard.nextDouble();
}
while(b>100||b<-100){
b=keyboard.nextDouble();
}
while(c>100||c<-100){
c=keyboard.nextDouble();
}
double d=Math.pow(b, 2)-4*a*c;
double e=Math.sqrt(d);
double r1=(-b+e)/2;
double r2=(-b-e)/2;
double r3=-b/2;
if(d>=0){
if(r1>r2){
r1= (Math.floor(r1*10)/10);
System.out.printf("%.1f",r1);
}
else{
r2= (Math.floor(r2*10)/10);
System.out.printf("%.1f",r2);
}
}
else if(d<0){
System.out.println("complex");
}
}
}
이클립스에서는 -0.4 나오는에 WA 뜨네요 뭐가 잘못이죠?
