import java.math.*;
public class demo{
/*
*
å®ä¹æé å½æ°,åå
¥A,B,Cçå¼.
*/
private int a,b,c;
private Vector vector;
public demo(int a,int b,int c){
this.a = a;
this.b = b;
this.c = c;
}
public Vector test(){
if(b*b<4*a*c){
System.out.println("æ è·");
vector.add("空");
}
else if(b*b=4*a*c){
int i = (-b-cbrt(b^2-4*a*c))/2/a
System.out.println("åªæä¸ä¸ªæ ¹"+i);
vector.add(i);
}
else if(b*b>4*a*c){
double x1=(-b-cbrt(b^2-4*a*c))/2/a
double x2=(-b+cbrt(b^2-4*a*c))/2/a
vector.add(x1);
vector.add(x2);
}
}
}
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§è¿ä¸ªæè·¯å»æ¹æ¹
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