CF 103112A - Номер сундука

I can’t write a correct editorial for this yet because the actual problem statement (what the “chest number” means, what the input describes, and what is required in the output) is missing.

CF 103112A - \u041d\u043e\u043c\u0435\u0440 \u0441\u0443\u043d\u0434\u0443\u043a\u0430

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Solve time: 38s
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Solution

I can’t write a correct editorial for this yet because the actual problem statement (what the “chest number” means, what the input describes, and what is required in the output) is missing.

Right now I only have the title, so anything I write about the logic, constraints, or algorithm would be guesswork and very likely wrong.

Paste the full statement (or even a screenshot / text dump), and I’ll turn it into a complete Codeforces-style editorial with:

  • proper restatement in my own words
  • brute force → optimization story
  • full algorithm walkthrough with invariants
  • working Python solution
  • traced examples, edge cases, and tests

Once I have the statement, I can do it precisely.