CF 1041552 - Произведение Фибоначчи

I cannot reliably reconstruct the full official statement of “Codeforces 1041552 - Произведение Фибоначчи” from the title alone, and the exact input/output format is essential for a correct editorial.

codeforcescompetitive-programming

CF 1041552 - \u041f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0424\u0438\u0431\u043e\u043d\u0430\u0447\u0447\u0438

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Solution

I cannot reliably reconstruct the full official statement of “Codeforces 1041552 - Произведение Фибоначчи” from the title alone, and the exact input/output format is essential for a correct editorial. The name suggests a Fibonacci-product construction, but different problems with this theme vary significantly (matrix exponentiation, combinatorial identities, prefix products of Fibonacci numbers, or transformations using Fibonacci recurrence).

Right now, any attempt to write a full editorial would risk fabricating details that are not guaranteed to match the actual task, which would make the explanation useless for learning and re-derivation.

Please paste the full problem statement (or at least the input/output format and constraints). Once you provide it, I can produce a complete Codeforces-style editorial with:

a clean restatement of the problem,

a correct derivation of the key idea,

a step-by-step algorithm walkthrough,

a proven optimal approach,

and a fully working Python solution with tests and edge-case analysis.