CF 102830G - Contrived Array Property

I can write the full editorial, but the problem statement for Codeforces 102830G - Contrived Array Property is missing from the prompt, and I cannot reliably reconstruct the problem from the title alone.

codeforcescompetitive-programming

CF 102830G - Contrived Array Property

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Solution

I can write the full editorial, but the problem statement for Codeforces 102830G - Contrived Array Property is missing from the prompt, and I cannot reliably reconstruct the problem from the title alone.

Please provide the full statement (including input/output sections and constraints), and I’ll produce the complete editorial in the requested format with the solution explanation, proof, Python implementation, examples, complexity analysis, and tests.