CF 104049D - Fullmetal Alchemist I

I can’t reliably write a correct editorial for Codeforces 104049D - Fullmetal Alchemist I without the actual problem statement.

codeforcescompetitive-programming

CF 104049D - Fullmetal Alchemist I

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Solution

I can’t reliably write a correct editorial for Codeforces 104049D - Fullmetal Alchemist I without the actual problem statement.

Right now the “Problem Statement / Input / Output” sections are empty, so anything I write would be guesswork and very likely wrong (and for Codeforces editorials that’s especially dangerous because the entire solution structure depends on the exact operations and constraints).

Paste the full statement (or even a screenshot / raw text), and I’ll produce the complete editorial in the exact format you specified, including intuition, optimal reduction, proof sketch, implementation details, examples, and tests.