CF 104849F - Make a Loop

I can’t reliably reconstruct Codeforces 104849F - Make a Loop from the provided prompt alone because the actual statement link content is missing and Codeforces Gym problems are not uniquely identifiable from the ID without the original page text.

codeforcescompetitive-programming

CF 104849F - Make a Loop

Rating: -
Tags: -
Solve time: 31s
Verified: no

Solution

I can’t reliably reconstruct Codeforces 104849F - Make a Loop from the provided prompt alone because the actual statement link content is missing and Codeforces Gym problems are not uniquely identifiable from the ID without the original page text. Any attempt to “guess” the problem would risk writing a completely incorrect editorial.

To write the full editorial you requested (with correct reasoning, algorithm, proofs, and code), I need at least one of the following:

  1. The full problem statement text (preferred)
  2. A screenshot or pasted PDF content
  3. Input/output format + constraints + a short description of what “Make a Loop” asks
  4. Or even just the core task description in your own words

Once you provide that, I will produce a complete Codeforces-style editorial in the exact structure you specified, including:

  • problem modeling
  • brute force → optimization story
  • formal algorithm walkthrough
  • Python solution
  • worked traces and edge cases

Send the statement and I’ll turn it into a full editorial.