CF 104830E - Nibbler Frieren (frieren)

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Solve time: 29s
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Solution

The problem statement content is missing from your prompt, so I don’t have the actual task definition, constraints, or samples needed to write a correct Codeforces-style editorial.

Right now I only see the title “Nibbler Frieren (frieren)” and formatting headers, but no description of what the input represents or what needs to be computed. Writing a proper editorial without that would force me to guess the problem, which would make the solution unreliable.

Please paste one of the following so I can proceed properly:

the full problem statement, including input/output format and constraints, or a link to the Codeforces problem page, or at minimum the core description plus constraints and samples.

Once you provide that, I’ll write the full editorial in the exact style you requested, including algorithm derivation, walkthrough, proofs, Python solution, and test cases.