Changing old tags

Правка en1, от tfg, 2022-06-22 02:12:58

Why can't I change tags from that problem? https://mirror.codeforces.com/contest/1486/problem/E

That problem is clearly not a flow problem...

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en1 Английский tfg 2022-06-22 02:12:58 154 Initial revision (published)