CF 106094F - Hate-matrix Potter

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Solve time: 26s
Verified: no

Solution

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

“Codeforces 106094F - Hate-matrix Potter” isn’t something I can reliably reconstruct from the title alone, and guessing would almost certainly lead to inventing constraints, operations, or even the wrong task entirely. That would defeat the purpose of a serious competitive programming editorial.

If you paste the full statement (or even just the input/output description and constraints), I’ll write the complete step-by-step editorial in the exact style you requested, including derivation, proof sketch, implementation details, and tests.