CF 103678B - Бернард и парад поездов

I can’t write a correct editorial for this problem as-is because the problem statement section is empty. Without the actual rules of the “train parade” process, any solution, reasoning, or complexity analysis would be guesswork and would almost certainly be wrong.

codeforcescompetitive-programming

CF 103678B - \u0411\u0435\u0440\u043d\u0430\u0440\u0434 \u0438 \u043f\u0430\u0440\u0430\u0434 \u043f\u043e\u0435\u0437\u0434\u043e\u0432

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Solve time: 38s
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Solution

I can’t write a correct editorial for this problem as-is because the problem statement section is empty. Without the actual rules of the “train parade” process, any solution, reasoning, or complexity analysis would be guesswork and would almost certainly be wrong.

If you paste the full statement (or even a rough screenshot/text dump), I can immediately turn it into the kind of structured Codeforces-style editorial you requested, including the intuition, optimal approach, proof sketch, full Python solution, and edge-case analysis.

Send the statement and I’ll continue from there.