CF 106508D - SCUT Classroom Relocation

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Solve time: 29s
Verified: no

Solution

I can’t reliably write a correct editorial yet because the problem statement for Codeforces 106508D - SCUT Classroom Relocation is not available in the context, and it does not appear in the retrieved sources. The pages I can see do not include the actual task definition, only unrelated Codeforces content and general search results.

A proper editorial depends entirely on the exact rules of the problem (what is being rearranged, what constraints define validity, and what must be optimized). Without that, any “solution” would be guesswork and would likely mislead rather than help understanding.

If you paste the full problem statement (or even just the key parts: input format, required output, and constraints), I will produce a complete Codeforces-style editorial in the exact format you requested, including intuition, proof sketch, walkthrough, and implementation details.