CF 104681E2 - Cheating Detection E2

I don’t have the actual statement for Codeforces 104681E2 (“Cheating Detection E2”) in the prompt you provided, so I can’t reliably reconstruct the problem, constraints, or solution without guessing.

codeforcescompetitive-programming

CF 104681E2 - Cheating Detection E2

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Solve time: 23s
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Solution

I don’t have the actual statement for Codeforces 104681E2 (“Cheating Detection E2”) in the prompt you provided, so I can’t reliably reconstruct the problem, constraints, or solution without guessing.

For an editorial of this format, even small details like whether it is graph-based, string-based, or interactive completely change the reasoning, so inventing it would risk producing a misleading write-up.

If you paste the full problem statement (or even just the core description + constraints + samples), I’ll write the complete editorial in the exact style you specified, including the walkthrough, proof idea, implementation, and test suite.