程序运行网站：

https://www.jyshare.com/compile/10/

课堂任务：

Given the integer 968, extract and print each digit (hundreds, tens, and ones).

课后作业：

Write code: A bookstore is running a promotional discount. The discount is determined by the quantity purchased, and the final payment amount should be calculated as an integer.

Initialize: price(double) = 9.99; quantity(int) = 16

Processing Rules:

Calculate the original total: originalTotal = price × quantity

Determine whether to apply a discount: if quantity ≥ 10, apply a 10% discount (multiply by 0.9)

Type casting: Convert the final amount to int (round to the nearest integer, not truncate)

Output the discounted amount as an integer

完成后请提交至问卷星：https://v.wjx.cn/vm/PptkGpk.aspx#