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荒唐,过不了这组简单的数据,交上去竟AC了~

Posted by Practice_Scott at 2012-08-17 20:21:33 on Problem 2337 and last updated at 2012-08-17 20:23:28
aa
ab
aba
ba
bb

正确结果
aa.aba.ab.bb.ba


错误结果
aa.ab.bb.ba.aba

原因是我默认了ab<aba,但其实ab后添加的单词结合起来有可能小于ab的~
最蛋疼的是POJ数据太水了~

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