CF 106447F - Коллекция

I can write the full editorial in that format, but I’m missing the actual problem details for Codeforces 106447F “Коллекция”.

codeforcescompetitive-programming

CF 106447F - \u041a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f

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Solution

I can write the full editorial in that format, but I’m missing the actual problem details for Codeforces 106447F “Коллекция”.

The statement section in your prompt is empty, and I cannot reliably reconstruct the task, constraints, examples, or required algorithm from only the title. A wrong assumption here would lead to a completely incorrect editorial and solution.

Please paste the full problem statement (including input, output, constraints, and samples), and I’ll produce the complete editorial with:

  • Problem Understanding
  • Approaches with brute force vs optimal comparison
  • Algorithm Walkthrough
  • Correct Python 3 solution
  • Code explanation
  • Worked examples
  • Complexity analysis
  • Assert-based test cases
  • Edge case analysis

I’ll keep the exact style and formatting requirements you specified.