CF 105971I - B\'obr

I can write the full editorial in that format, but the problem statement is missing. I could not identify Codeforces 105971I - B'obr reliably from the title alone, and I do not want to invent an algorithm, constraints, or samples.

codeforcescompetitive-programming

CF 105971I - B\'obr

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Solution

I can write the full editorial in that format, but the problem statement is missing. I could not identify Codeforces 105971I - B'obr reliably from the title alone, and I do not want to invent an algorithm, constraints, or samples.

Please paste the problem statement (including input/output and samples), and I’ll produce the complete editorial with the requested sections and a Python solution.