题解 | #求解立方根#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            double ddin = sc.nextDouble();
            double dd = ddin>0? ddin : -ddin;
            double i = 0;
            while (dd-i*i*i>0.01){
                i+=0.01;
            }
            String format = String.format("%.1f", i);
            if (ddin>0){
                System.out.println(format);
            }else {
                System.out.println("-" +format);
            }
        }
    }
}