CF 1028929 - Plane and Simple

I can write the full Codeforces-style editorial, but I’m missing the actual problem statement for “Plane and Simple (1028929)”.

CF 1028929 - Plane and Simple

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Solution

I can write the full Codeforces-style editorial, but I’m missing the actual problem statement for “Plane and Simple (1028929)”.

Right now there’s no description of:

  • what the input represents,
  • what transformation or computation is required,
  • constraints,
  • or sample cases.

Without that, any “solution” would be guesswork and very likely incorrect.

Paste the full statement (or even a screenshot/text dump), and I’ll turn it into a complete, structured editorial in the exact style you requested, including derivation, algorithm walkthrough, code, and edge-case analysis.