CF 106042I - Pennant Hanging

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Solve time: 21s
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Solution

I can write the full editorial, but I need the actual problem statement details for Codeforces 106042I - Pennant Hanging. The prompt leaves the statement sections empty, and I do not have enough information to reconstruct the exact task, input format, constraints, or required output reliably.

Please paste the problem statement (or at least the description, input, and output sections), and I’ll produce the complete editorial in the requested format with the algorithm, proof, Python solution, traces, tests, and edge cases.