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按照这个题目说法是肯定唯一的阿 他这个subsequence定义也有问题的

Posted by first at 2006-01-13 18:30:43 on Problem 2629
In Reply To:Re:牛人指点一下If several x satisfy the criteria above, choose the first one in alphabetical order. 是什么意思呀？？？？？？ Posted by:wangguanjin at 2005-10-03 12:42:33 
> 最长公共子序列不唯一，将他们按字母顺序排序后输出第一个，但是怎么找所有的最长公共子序列呢？？？？
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