CF 104849K - New Year Festival

I can’t write a correct Codeforces editorial for this problem yet because the actual problem statement is missing from your prompt. Right now I only see the title “New Year Festival”, but no description of: what the inputs are, what needs to be computed, or any constraints.

codeforcescompetitive-programming

CF 104849K - New Year Festival

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Solve time: 28s
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Solution

I can’t write a correct Codeforces editorial for this problem yet because the actual problem statement is missing from your prompt.

Right now I only see the title “New Year Festival”, but no description of:

what the inputs are,

what needs to be computed,

or any constraints.

Without that, any “solution” would be guesswork, and that would defeat the purpose of a Codeforces editorial.

If you paste the full problem statement (or even just the input/output description and constraints), I’ll produce the complete editorial in the exact format you requested, including the algorithm walkthrough, proofs, Python solution, and test cases.