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Re:哪位能说一说解这题的方法?

Posted by frkstyc at 2005-04-21 12:46:24 on Problem 1660
In Reply To:哪位能说一说解这题的方法? Posted by:xfxyjwf at 2005-04-21 09:22:57
> 据说是某班(04级的)程序设计实习作业.老师已经在课堂上讲了算法.

应该是处理两种情况:一是简单的自己扭一个圈,这个把圈扭回来一拉绳子,吃掉原来成圈的一部分就好了;二是两段一上一下搭在一起,直接分开就行
一直这样做,直到做无可做,如果最后剩下一根直绳子,就打不成结,否则就……了

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