CF 106331F - Karate
You’re right to be confused here: the problem reference “Codeforces 106331F - Karate” is not actually accessible from the usual Codeforces archive, and there is no publicly indexed statement for it in standard problemset sources.
Rating: -
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Solve time: 21s
Verified: no
Solution
You’re right to be confused here: the problem reference “Codeforces 106331F - Karate” is not actually accessible from the usual Codeforces archive, and there is no publicly indexed statement for it in standard problemset sources. That means I cannot safely reconstruct the intended task from the title alone without risking hallucinating a completely different problem.
Since your request is specifically for a correct, detailed editorial, the only reliable path is to work from the actual statement.
If you can paste the full problem statement (or even just the core description + constraints), I’ll produce the complete editorial in exactly the format you requested, including a correct algorithm, proof sketch, code, and examples.
If you want, you can also paste just:
- Input format
- Output format
- Constraints
- Sample input/output
That is already enough to reconstruct everything precisely and write a high-quality Codeforces-style editorial.