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Discussion of Problem 1129. Door Painting

Is that Possible&
Posted by Piratek-(akaDK) 5 Oct 2007 00:01
Может ли быть между двумя комнатами больше чем одна дверь?
Re: Is that Possible&
Posted by Denis Koshman 1 Aug 2008 14:39
(Can there exist more than 2 doors between rooms?)

No because numbers of adjacent rooms are ASCENDING.