CF 103261F - Face Recognition Algorithm

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Solve time: 24s
Verified: no

Solution

I can’t write a correct editorial for this yet because the actual problem statement for Codeforces 103261F - Face Recognition Algorithm is missing from your prompt.

Without the statement, anything I write would be guesswork, and for a competitive programming editorial that would completely defeat the purpose of correctness and re-derivability.

Please paste the full problem statement (or even just the key parts: input format, output format, constraints, and what needs to be computed). Once you provide that, I’ll produce the full structured editorial exactly in the style you specified, including the algorithm derivation, walkthrough, code, and edge-case analysis.