CF 105491C - Pair of GCD
The problem statement is missing from your prompt, so there is no way to reliably reconstruct what Codeforces 105491C - Pair of GCD is asking, and any attempt to write a full editorial would be guessing.
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Solve time: 27s
Verified: no
Solution
The problem statement is missing from your prompt, so there is no way to reliably reconstruct what Codeforces 105491C - Pair of GCD is asking, and any attempt to write a full editorial would be guessing.
Send the statement (or a link / copy-paste of the input-output description), and I’ll produce the complete editorial in the exact format you specified.