题解 | #判断体重指数#

if else 分支走一遍就行

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 hw = weight / (height * height); if (hw > 24.9) { System.out.println("偏胖"); } else if (hw >= 20.9) { System.out.println("适中"); }else if(hw>=18.5){ System.out.println("苗条"); }else{ System.out.println("偏瘦"); } }

}