CF 106062D - Drone Kaleidoscope

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Solve time: 24s
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Solution

Sure. Send me the Codeforces problem statement (and constraints, examples if available), and I’ll write a detailed competitive programming editorial covering:

Problem restatement / intuition
Key observations
Derivation of the algorithm
Proof of correctness
Complexity analysis
Implementation details
Common pitfalls
Reference solution (C++ if you want)

I’ll write it in the style of an official Codeforces editorial.