oi style contests

Правка en1, от Ahmed_Expert_When, 2021-12-21 11:54:21

hi guys !:D I hope u are well! I want to suggest that codeforces can make some oi style contests. sorry for my bad English.

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en1 Английский Ahmed_Expert_When 2021-12-21 11:54:21 142 Initial revision (published)