题解 | #求解立方根#

import java.util.Scanner;
import java.util.*;

public class Main {
    public static void main(String[] args)  {
        Scanner in = new Scanner(System.in);
        double v = in.nextDouble();
        double cbrt = Math.cbrt(v);             //求立方根方法
        cbrt =cbrt>0 ? cbrt+0.05 :cbrt-0.05;    //需要四舍五入
        String s = String.valueOf(cbrt);        
        String substring = s.substring(0 , s.indexOf(".") + 2);  //截取小数点后一位
        System.out.println(substring);
    }
}