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读它，使劲读，百遍千遍万遍就明白了

Posted by frkstyc at 2005-10-15 15:10:57 on Problem 2662
In Reply To:告急：这句话怎么理解？ Posted by:274827185 at 2005-10-15 15:02:43

> He considers taking a path from A to B to be progress if there exists a route from B to his home that is shorter than any possible route from A。
> 
> 这句话实在另人费解啊，盼高手支招！不甚感激！！

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Re:读它，使劲读，百遍千遍万遍就明白了 (8) Mcfaddan_b 2008-09-13 21:20:40

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