解题思路:
注意事项:
参考代码:
import java.math.BigDecimal; import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); double a=scanner.nextDouble(); double b=scanner.nextDouble(); if(a<=40) System.out.printf("%.2f",a*b); else if(a>40&&a<=50) System.out.printf("%.2f",40*b+(a-40)*b*1.5); else System.out.printf("%.2f",40*b+10*b*1.5+(a-50)*b*2); } }
0.0分
0 人评分