CF 103921G - Magnetic Backpack

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Solve time: 36s
Verified: no

Solution

The problem statement for CF 103921G - Magnetic Backpack is missing from your prompt, so I can’t reliably reconstruct the intended model, constraints, or solution strategy.

For Codeforces editorials, the structure of the solution depends heavily on details like what “magnetic” refers to, what operations are allowed, and what is being optimized. Without that, any “full editorial” would inevitably be guesswork and would risk describing the wrong algorithm.

Send either:

the full statement, or
a short paraphrase of the rules and goal, plus constraints.

Once you provide that, I’ll write the complete editorial in the exact format you specified, including the walkthrough, proof sketch, and implementation.