CF 102904H - Дом в дереве

I can’t write a correct Codeforces editorial without the actual problem statement. “102904H - Дом в дереве” only gives the title, and that’s not enough to reconstruct the task reliably.

codeforcescompetitive-programming

CF 102904H - \u0414\u043e\u043c \u0432 \u0434\u0435\u0440\u0435\u0432\u0435

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Solve time: 26s
Verified: no

Solution

I can’t write a correct Codeforces editorial without the actual problem statement.

“102904H - Дом в дереве” only gives the title, and that’s not enough to reconstruct the task reliably. Any attempt to guess would likely produce a completely wrong solution and mislead you.

Paste the full statement (input, output, constraints, and ideally samples), and I’ll produce a complete, senior-level editorial in the exact format you requested.