破网站太破了，直接给了静态网页不就OK了

提高组：

https://www.noi.cn/upload/resources/file/2021/11/05/176820.html

https://www.noi.cn/upload/resources/file/2021/11/05/176821.html

https://www.noi.cn/upload/resources/file/2021/11/05/176822.html

入门组：

https://www.noi.cn/upload/resources/file/2021/11/05/176823.html

https://www.noi.cn/upload/resources/file/2021/11/05/176824.html

https://www.noi.cn/upload/resources/file/2021/11/05/176825.html