CF 106459C - Граница

I can write the full editorial, but the actual statement for Codeforces 106459C “Граница” is missing from the prompt, and I cannot reliably reconstruct the problem from the title alone.

codeforcescompetitive-programming

CF 106459C - \u0413\u0440\u0430\u043d\u0438\u0446\u0430

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Solve time: 23s
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Solution

I can write the full editorial, but the actual statement for Codeforces 106459C “Граница” is missing from the prompt, and I cannot reliably reconstruct the problem from the title alone. The solution, complexity analysis, edge cases, examples, and Python code all depend on the exact input/output and constraints.

Please paste the full problem statement (or a link to the problem page), and I’ll produce the complete editorial in the requested format.