CF 102836A - Торговый центр

I can write the editorial, but the problem statement for Codeforces 102836A - “Торговый центр” is missing from your prompt.

codeforcescompetitive-programming

CF 102836A - \u0422\u043e\u0440\u0433\u043e\u0432\u044b\u0439 \u0446\u0435\u043d\u0442\u0440

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Solve time: 25s
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Solution

I can write the editorial, but the problem statement for Codeforces 102836A - “Торговый центр” is missing from your prompt. I could not reliably identify the exact task from the title and ID alone, and inventing the algorithm, examples, or code would risk producing an incorrect editorial.

Please provide the full problem statement (including input, output, and constraints), or paste the link to the problem page. Then I’ll write the complete editorial in the requested format with the solution, proof, Python implementation, walkthroughs, tests, and edge cases.