CF 105593N - First Problem of CAMA 2024

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Solve time: 31s
Verified: no

Solution

The problem statement is not included, so there is no way to reconstruct the intended task or derive a correct algorithm.

To write a proper Codeforces-style editorial, I need at least the full statement (or a link / copied text), including input format, output format, and constraints. Right now the key elements that determine the solution strategy, such as whether this is a graph, combinatorics, strings, or data structure problem, are completely missing.

Send the statement and I will produce the full editorial in the format you specified, including the derivation, optimal approach, walkthrough, code, and tests.