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Re:请问这题怎么做啊？

Posted by 10317049 at 2004-02-18 01:43:25 on Problem 1018
In Reply To:Re:请问这题怎么做啊？ Posted by:10317049 at 2004-02-18 01:40:51 
用链表加排序啊，不要用回溯，指数时间肯定把机器都撑暴了
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