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是要求一笔画出来的意思吗？比如像‘田’这样怎么算

Posted by ACM06060 at 2007-10-02 12:03:46 on Problem 3409
In Reply To:Re:up,过了的同志们说说！ Posted by:jxnumadmen at 2007-10-02 12:00:36 
> 就是 封闭
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