CF 103402B - Дрон Ло

The problem statement for “Codeforces 103402B - Дрон Ло” is missing from your message, so I can’t reliably reconstruct the task or write a correct editorial.

codeforcescompetitive-programming

CF 103402B - \u0414\u0440\u043e\u043d \u041b\u043e

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Solve time: 41s
Verified: no

Solution

The problem statement for “Codeforces 103402B - Дрон Ло” is missing from your message, so I can’t reliably reconstruct the task or write a correct editorial.

To produce the kind of detailed solution walkthrough you’re asking for, I need at least one of the following:

  • the full problem statement (preferred), or
  • a link plus confirmation of the exact problem text to use, or
  • input/output specification and constraints.

Once you paste it, I’ll write the full editorial in the exact format you specified, including brute force reasoning, optimal insight, walkthrough, proof, code, and test coverage.