CF 106507M - Sculk Sensors

I can write the full editorial, but I need the actual problem statement details for Codeforces 106507M - Sculk Sensors first.

CF 106507M - Sculk Sensors

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Solution

I can write the full editorial, but I need the actual problem statement details for Codeforces 106507M - Sculk Sensors first. The prompt section for the statement/input/output is empty, and I do not have enough information to reliably reconstruct the problem, constraints, examples, or solution.

Please paste the problem statement (or a link/text containing the rules and samples), and I’ll produce the complete editorial in exactly that structure and style.