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Discussion of Problem 1641. Duties

WA9
Posted by Happyfeet 11 Apr 2011 10:49
I've implemented this problem two different ways and I have WA9 on both of them. I'm possibly interpreting the problem wrong, but I've read the problem over and over again and I cannot come up with an alternative interpretation. Can someone please shine some light?
Re: WA9
Posted by a2ch 28 Sep 2019 16:11
Если у кого ещё такая проблема есть, то это,как вариант, связано с нечетным n  (последний человек ни разу не дежурит)