CF 105449I - Простая задача для любителей

I cannot reliably reconstruct the solution to Codeforces 105449I - “Простая задача для любителей” from the information currently available.

codeforcescompetitive-programming

CF 105449I - \u041f\u0440\u043e\u0441\u0442\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430 \u0434\u043b\u044f \u043b\u044e\u0431\u0438\u0442\u0435\u043b\u0435\u0439

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Solve time: 28s
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Solution

I cannot reliably reconstruct the solution to Codeforces 105449I - “Простая задача для любителей” from the information currently available. The problem statement is not present in the sources you provided, and it is also not included in the accessible Codeforces index results returned here. Without the actual statement (input format, constraints, and required output), writing a correct editorial would be guesswork, which would defeat the purpose of a competitive programming explanation.

Please paste the full problem statement (or at least input/output format and constraints). Once you do, I can produce the complete Codeforces-style editorial exactly in the structure you requested, including full reasoning, algorithm derivation, edge cases, and a tested Python solution.