CF 105615G - 两句话题面

I can’t produce a correct editorial for this problem because the actual problem content is missing. What you provided contains only the title (“two-sentence statement”) and empty input/output sections.

codeforcescompetitive-programming

CF 105615G - \u4e24\u53e5\u8bdd\u9898\u9762

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Solve time: 28s
Verified: no

Solution

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

What you provided contains only the title (“two-sentence statement”) and empty input/output sections. There is no description of what is being computed, what the inputs represent, or what constraints apply. Without that, any solution or algorithm would be pure guesswork rather than a re-derivation of a real Codeforces task.

To write the editorial in the style you requested, I would need at least one of the following:

The full original problem statement, or

A screenshot / copy of the input-output specification and constraints, or

A description of what the task is supposed to do.

Once you paste that, I can produce a complete, structured editorial with reasoning, optimal solution, proof sketch, code, and test cases exactly in the format you specified.