CF 102986D - Peter Piper Picked the Perfect Piece of Pizza

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Solve time: 45s
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Solution

I’m missing the actual problem statement for Codeforces 102986D - Peter Piper Picked the Perfect Piece of Pizza, so I can’t safely reconstruct the intended model, constraints, or solution.

For this kind of editorial (especially under your strict format rules), I need at least one of the following:

The full statement text, or

A link plus confirmation I should infer from standard CF archive content, or

Input/output format + constraints + a brief description.

Once you paste it, I’ll produce the complete editorial in the exact structure you specified, including algorithm walkthrough, proof sketch, Python solution, examples, and tests.