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谢谢,终于看懂了

Posted by ray58750034 at 2006-07-25 00:40:46 on Problem 2881
In Reply To:a case Posted by:o_oXo_o at 2006-07-24 15:52:32
>   a c
> a   b
> b   a c
> *   * *
> #
> 第一遍扫描发现第一行a是可以去掉的,所以把全文的a都去掉。(造成第二行b可去掉)
> 第二遍扫描发现第二行b是可以去掉的,所以把全文的b都去掉。(造成第三行c可去掉)
> 第三遍扫描发现第三行c是可以去掉的,所以把全文的c都去掉。
> 第四编扫描发现没有任何可以去掉的words, quit.
> output:
>      
>      
>        
> *   * *
> #

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