CF 106114C - Arc Path

I don’t have the actual statement for Codeforces 106114C - Arc Path in the prompt, and without it I’d be forced to guess the structure of the problem.

CF 106114C - Arc Path

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Solve time: 28s
Verified: no

Solution

I don’t have the actual statement for Codeforces 106114C - Arc Path in the prompt, and without it I’d be forced to guess the structure of the problem. That would make the editorial unreliable, especially for something that is supposed to be used to learn or reconstruct a solution.

If you paste the full problem statement (or even just input/output + constraints + a sample), I can write the complete Codeforces-style editorial exactly in the format you requested, including a full derivation, optimal approach, proofs, and implementation details.