CF 106438F - Thesis Group Selection

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Solution

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

Problem restatement and key observations
Derivation of the main idea
Proof of correctness
Complexity analysis
Implementation details
Reference C++17 solution (if you want)

I’ll format it like a typical Codeforces editorial.