Why is 266B tagged this way?

Правка en1, от Cluu09, 2020-11-17 02:10:39

http://codeforces.com/problemset/problem/266/B

It has tags for graph matchings + shortest paths but that is overkill. Is there a way I can edit the tags?

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en1 Английский Cluu09 2020-11-17 02:10:39 184 Initial revision (published)