CF 102823J - Stone Game

I can write the editorial, but the problem statement details are missing from the prompt. The sections labeled “Problem Statement”, “Input”, and “Output” are empty, so I do not have enough information to derive the intended algorithm, proof, and implementation…

CF 102823J - Stone Game

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Solution

I can write the editorial, but the problem statement details are missing from the prompt. The sections labeled “Problem Statement”, “Input”, and “Output” are empty, so I do not have enough information to derive the intended algorithm, proof, and implementation reliably.

Please provide the full Codeforces 102823J statement (or the rules, input format, and output format), and I’ll produce the complete editorial in the requested format.