I want to submit the problem COPER, but when I clicked the SEND button, it says "ERROR: WRONG PROBLEM". I really don't know why.
Everything seems to be fine. If the problem repeats, please describe it in greater detail.
The page submitting the problem is spoj.pl/submit/COPER/.
Then, choose the file and your language.
Then, click the SEND button.
Your will find following text.
You can only submit problems appeared in Classical/Challenge/Tutorial/Partial problem sets. Obviously problem COPER doesn't appear in these problem sets.
Oh, I see.
But, why is this problem not in any of the problem lists? I've been working hard on it for a long time, and just want to submit it ...
same problem here
you can open it in this list manually, e.g. problem COMPANY it’s originally in MIT Individual Contest 2008, and it’s URL is
so you will get wrong problem if you try to submit,
but it you remove this /MIT081 from the URL and the new URL is
you can submit it easy and it will open from the problem lists