CF 1048562 - Рамка для рисунка

I can’t reliably reconstruct Codeforces problem 1048562 “Рамка для рисунка” from the identifier alone, and the available references point to multiple unrelated gym tasks rather than a single clear statement.

codeforcescompetitive-programming

CF 1048562 - \u0420\u0430\u043c\u043a\u0430 \u0434\u043b\u044f \u0440\u0438\u0441\u0443\u043d\u043a\u0430

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Solve time: 34s
Verified: no

Solution

I can’t reliably reconstruct Codeforces problem 1048562 “Рамка для рисунка” from the identifier alone, and the available references point to multiple unrelated gym tasks rather than a single clear statement. The solution details depend heavily on the exact input format and what the “picture frame” constraints are, so any attempt to write a full editorial right now would be guesswork.

Send the full problem statement (or a screenshot / copy-paste of input-output description and constraints), and I’ll produce the complete Codeforces-style editorial in the format you requested, including a clean derivation, optimal approach, and full implementation.