CF 103485I - On The Way To Shopping

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Solve time: 31s
Verified: no

Solution

I don’t have the actual statement for Codeforces 103485I - On The Way To Shopping in your prompt, and I can’t reliably reconstruct it from the title alone without risking inventing details.

To write a correct editorial in the style you requested (and especially to avoid subtle wrong reasoning or wrong complexity claims), I need at least the full problem statement or a link/screenshot of it.

Send it over and I’ll produce the complete Codeforces-style editorial with the structure you specified.