CF 105940F - Kilani The Tiger (Hard)

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Solve time: 25s
Verified: no

Solution

Sure. Please provide the Codeforces problem statement (or link, title, constraints, and any examples). I’ll write a detailed competitive programming editorial with:

Problem restatement and observations
Key insight / derivation
Algorithm explanation
Proof of correctness
Complexity analysis
Implementation notes
Reference solution (if you want, in C++17)