题解 | #求解立方根#

import java.util.Scanner;
import java.util.;
import java.text.DecimalFormat;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double db= scanner.nextDouble();
DecimalFormat df = new DecimalFormat("######0.0");
double count=0;
if(db>=0){
for(double i=0.1;iii<db;i+=0.1){
count=i;
}
if((db-countcountcount)>((count+0.1)(count+0.1)(count+0.1)-db)){
count=count+0.1;
}
System.out.println(df.format(count));
}else{
db=-db;
for(double i=0.1;iii<db;i+=0.1){
count=i;
}
if((db-countcountcount)>((count+0.1)(count+0.1)*(count+0.1)-db)){
count=count+0.1;
}
System.out.println(df.format(-count));
}
}
}