I want to know some things of this website, so...
Which are the best / worst problems? Please leave your list.
Ranking system:
5 ... Very useful and beautiful problems.
4 ... So-so.
3 ... Normal.
2 ... Not good.
1 ... Terrible.
0 ... Useless.
-1... Inferior copied.
Which are the best / worst problems?
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- Posts: 1
- Joined: Fri Aug 07, 2020 8:21 pm