CF 103586D - Подземная лаборатория

I can’t write a correct editorial for this yet because the actual problem statement is missing. Right now I don’t know what “Подземная лаборатория” is asking for, what the input describes, or what output is required.

CF 103586D - \u041f\u043e\u0434\u0437\u0435\u043c\u043d\u0430\u044f \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u044f

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Solve time: 33s
Verified: no

Solution

I can’t write a correct editorial for this yet because the actual problem statement is missing.

Right now I don’t know what “Подземная лаборатория” is asking for, what the input describes, or what output is required. Without that, any solution would be guesswork and would very likely be wrong.

Paste the full statement (or even a screenshot / text dump), and I’ll turn it into a complete Codeforces-style editorial in the exact format you specified, including the reasoning, algorithm derivation, code, and edge-case analysis.