CF 103195D - Фокус с подмножествами

I can’t reliably produce a correct editorial for Codeforces 103195D - “Фокус с подмножествами” without the exact statement of that specific problem.

codeforcescompetitive-programming

CF 103195D - \u0424\u043e\u043a\u0443\u0441 \u0441 \u043f\u043e\u0434\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430\u043c\u0438

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Solve time: 55s
Verified: no

Solution

I can’t reliably produce a correct editorial for Codeforces 103195D - “Фокус с подмножествами” without the exact statement of that specific problem. The identifier you provided does not correspond to a standard public CF problem page in a way that can be safely reconstructed from memory, and guessing would risk inventing the wrong rules and therefore an incorrect solution.

What I can do immediately is one of the following, depending on what you prefer:

  1. If you paste the full statement (or even a screenshot/text dump), I will write the complete editorial exactly in the style you requested.
  2. If you only have a partial statement, I can still reconstruct the intended solution and produce a full Codeforces-style editorial.
  3. If you want, I can instead explain the well-known related problem class (“subset sum indistinguishability / adversarial subset sum queries”), but that may not match your exact task.

Send the statement and I’ll produce a full, structured editorial (Problem Understanding → Approaches → Algorithm → Code → Complexity → Tests) exactly as specified.