CF 106501K - Nondecreasing Queries

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Solution

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

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

I’ll format it in a typical Codeforces editorial style.