CF 103112D - Монеты для друзей
I can’t write a correct editorial yet because the actual problem statement for “103112D - Монеты для друзей” is missing from your prompt.
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Solve time: 33s
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Solution
I can’t write a correct editorial yet because the actual problem statement for “103112D - Монеты для друзей” is missing from your prompt.
Right now I don’t know:
what the coins represent, what operations are allowed, what the constraints are, or what the required output should be. Any attempt to “fill in” the statement would just be guessing, which would make the editorial useless or outright wrong.
If you paste the full statement (or even a screenshot/text dump), I’ll produce the complete Codeforces-style editorial exactly in the format you specified, including the full derivation, algorithm walkthrough, complexity analysis, worked examples, and test suite.