CF 105521D - Шоу с дельфинами

I can’t reliably write a correct editorial without the actual problem statement for Codeforces 105521D - “Шоу с дельфинами”.

codeforcescompetitive-programming

CF 105521D - \u0428\u043e\u0443 \u0441 \u0434\u0435\u043b\u044c\u0444\u0438\u043d\u0430\u043c\u0438

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Solve time: 25s
Verified: no

Solution

I can’t reliably write a correct editorial without the actual problem statement for Codeforces 105521D - “Шоу с дельфинами”.

Right now, the input/output format and the core task are missing, so any attempt to “reconstruct” the problem would be guesswork and would very likely produce a wrong solution and misleading reasoning.

Please paste the full problem statement (or even just the key parts: what is given, what must be computed, and constraints). Once you do, I’ll produce a complete editorial in the exact format you requested, including the full algorithm walkthrough, proof, implementation, and tests.