题解 | 判断体重指数

import java.util.*;
class Main 
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        double weightPoint;
        double height = sc.nextDouble();
        double weight = sc.nextDouble();
        weightPoint = weight/(height*height);
        System.out.print(
            weightPoint<18.5?"偏瘦" : weightPoint<20.9
            ?"苗条" : weightPoint<24.9
            ?"适中" : "偏胖"
        );
    }    
}