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poj 3961的简化版,做了这道题的同学可以做做poj 3961

4313: Tree

qw4990 | 2013-10-12 23:32:54 | delete | edit
估计最近都来不及看仙人掌图了  先mark一下    
Orztest | 2013-10-12 22:37:41 | delete | edit
是的,那道题出的是仙人掌图,这道题是树,难度怎加了不止一个数量级,
不过那道题N个点需要全部用上,还是有点不一样 
qw4990 | 2013-10-12 22:06:23 | delete | edit
前辈你确定是3961么。。 那道只有15个人过的题。。 
Orztest | 2013-10-12 21:15:51 | delete | edit
RT 

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