题解 | 判断体重指数

import java.util.Scanner;

public class Main
{
     
    

    public static void main(String[] args) 
    {
        final double std=1e-14;
        Scanner input=new  Scanner (System.in);
        double m=input.nextDouble();
        double n=input.nextDouble();
        double k=n/(m*m);
        if(k>24.9)
        System.out.println("偏胖");
        else if(k>=20.9)
        System.out.println("适中");
        else if(k>=18.5)
        System.out.println("苗条");
        else
        System.out.println("偏瘦");
        

    }
}