题解 | #判断体重指数#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double height = scanner.nextDouble();
        double weight = scanner.nextDouble();

        double s =weight/(height*height);

        //方法一，常规做法
        // if (s>24.9){
        //     System.out.println("偏胖");
        // }else if (s>=20.9){
        //     System.out.println("适中");
        // }else if(s>=18.5){
        //     System.out.println("苗条");
        // }else{
        //     System.out.println("偏瘦");
        // }

        //方法二
        String i=s<18.5?"偏瘦":s<20.9?"苗条"
            :s<24.9?"适中":"偏胖";

         System.out.println(i);
    }
}