I can't open this problem: https://mirror.codeforces.com/problemset/problem/1641/E
Upon opening, it gave this message: Can't read or parse problem descriptor
Maybe there is a problem with the Polygon?
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 20.05.2026 20:51:44 (g1).
Десктопная версия, переключиться на мобильную.
При поддержке
I get the same message.
Investigating it, thanks
Fixed
Thank you, it looks good to me now
facing similar issues in 2026.
https://mirror.codeforces.com/problemset/problem/455/A
https://mirror.codeforces.com/problemset/problem/580/C
https://mirror.codeforces.com/problemset/problem/550/A
https://mirror.codeforces.com/problemset/problem/276/C
just few i cannot access.
those seem to be working for me
it got fixed now or something.. wasn't working for me at the time.