Exam rank 02 - Union

[NeedCookies42]

Hello, i d like to inform you that union exercise in exam rank 02 is bugged.
subject file is missing and there is a succession of errors leading to success when you try to grademe.
Thank you and all contributors for your work, it's incredibly helpful.

[Gelangn]

I don't see the subject in "union" either. Thanks a lot for your contributions.