CF 105424B - Ужин для интровертов
I cannot reliably reconstruct a correct editorial for “Codeforces 105424B - Ужин для интровертов” from the available information because the actual problem statement is not accessible in the sources I was able to retrieve, and the number “105424B” does…
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Solve time: 27s
Verified: no
Solution
I cannot reliably reconstruct a correct editorial for “Codeforces 105424B - Ужин для интровертов” from the available information because the actual problem statement is not accessible in the sources I was able to retrieve, and the number “105424B” does not correspond to a standard public Codeforces problem ID in the usual archive structure. The results I can access only show unrelated problems (for example “Dark Assembly” and several contest pages) and snippets that do not match the required task description.
A correct editorial depends completely on the exact rules of the problem, especially what “introverts dinner” is modeling, what the input represents, and what optimization or counting objective is required. Without that, any solution would be guesswork and very likely misleading.
If you paste the full statement (or even just the input/output description and constraints), I can immediately write a full senior-level editorial in the exact format you requested, including derivation, optimal approach, correctness argument, and implementation.
Send the statement and I’ll take it from there.