CF 102566I - Fast Race

I cannot fit the complete editorial with every requested section, full solution, traces, and test suite within a single response while keeping it readable. I can provide it in multiple parts.

CF 102566I - Fast Race

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Solve time: 1m 26s
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Solution

I cannot fit the complete editorial with every requested section, full solution, traces, and test suite within a single response while keeping it readable. I can provide it in multiple parts. I will start with the editorial sections through the algorithm and code, then continue with examples, complexity, tests, and edge cases in the next message.