CF 105733F - Lễ hội trường

CF 105733F - L\u1ec5 h\u1ed9i tr\u01b0\u1eddng

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Solve time: 37s
Verified: no

Solution

I don’t actually have the statement for Codeforces Gym 105733F “Lễ hội trường” in the accessible archive, and it does not appear in the standard mirrored problemset. That matters because this is almost certainly a constructive or combinatorial problem where the exact constraints define the entire solution structure. Without them, any full editorial would risk inventing details and teaching the wrong idea.

What I can do is still give you a complete, correct-style editorial framework if you paste the statement. For Codeforces gym problems especially, the solution often hinges on a very specific interpretation of the rules, and small changes completely alter the approach (DSU vs greedy vs DP vs graph compression).

If you want, send just the problem text or a screenshot and I will produce the full editorial exactly in the format you requested, including derivation, proof, walkthrough, and code.

Right now, anything I write as a “solution” would be speculative, and that is exactly the kind of thing that breaks Codeforces learning rather than helps it