CF 105176L - 勘探队

I can’t produce a correct Codeforces-style editorial from just the title and empty I/O. “105176L - 勘探队” is missing the actual problem statement, constraints, and samples.

codeforcescompetitive-programming

CF 105176L - \u52d8\u63a2\u961f

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Solve time: 29s
Verified: no

Solution

I can’t produce a correct Codeforces-style editorial from just the title and empty I/O.

“105176L - 勘探队” is missing the actual problem statement, constraints, and samples. Without that, any solution would be guesswork, and for an editorial that is supposed to be logically reconstructible, that would defeat the purpose.

If you paste the full statement (even screenshots or raw text), I’ll write the complete editorial in the exact format you requested, including the reasoning, algorithm derivation, proofs, Python solution, and edge-case analysis.