CF 105786H - Shortest Subarray

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Solve time: 19s
Verified: no

Solution

Sure. Please provide the Codeforces problem statement (or at least the problem name, constraints, and examples), and I’ll write a competitive programming editorial in the style of an official Codeforces explanation.

I’ll structure it with sections such as:

Problem Restatement
Key Observations
Main Idea
Proof of Correctness
Algorithm
Complexity Analysis
Implementation Details
Reference Solution (C++17)

If you want a particular style (e.g., beginner-friendly, terse Codeforces editorial, or ICPC-style proof-heavy), mention that too.