filippos's blog

By filippos, history, 6 months ago, In English,

I remember that something like an year ago someone showed me a problem on some OJ where it was required to answer queries on a tree. This might sound super common, but the cool thing about the problem was that a lot of different types of queries could be asked, iirc there were at least 7 or even 8 different kind of queries.

Does anyone recall a similar problem? Thanks!

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