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看你是从那走到a的。

Posted by It_is_rainning_now at 2009-03-14 13:08:29 on Problem 3083
In Reply To:对题目理解的一点疑问。 Posted by:hzx at 2009-03-03 15:40:54 
#########
#.#.###.#
S...bad.E
#.#.#c#.#
#########
是b到a的，则前进方向是向右，要转向右就要到C。
若是c到a的，则前进方向是向上，要转向右就要到d了。

总的是这样吧：
b->a->c->a->d
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