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Discussion of Problem 1418. Military Story

Some somple hints?
Posted by yifei 25 Feb 2006 22:25
Re: Some somple hints?
Posted by Denis Koshman 20 Aug 2008 13:11
If outermost fence leaves some point outside, this outer point will not affect further inner fences, and it is always possible to include that point without worsening the situation.

Edited by author 20.08.2008 13:17