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Re:据说可以无限长

Posted by xoyo1003 at 2005-08-13 01:20:14 on Problem 2558
In Reply To:据说可以无限长 Posted by:T3 at 2005-08-12 18:41:46 
无限长是可以，用深度优先搜索。
这只是最笨的办法，我用了1100MS，
像这样问题应该有技巧吧？我看有人用10多分钟就做出来了，那时候我连题还没弄懂呢。谁有好的办法请教请教啊

难道说有什么循环的规律？
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