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Re:这个应该输出什么?????????

Posted by 3g at 2007-08-26 22:32:13 on Problem 3357
In Reply To:Re:这个应该输出什么????????? Posted by:123454321 at 2007-08-26 22:16:18 
> 输出应该是这样子的吧：
> A-B 1
> A-D 1
> B-C 1
为什么不是
A-B 1
A-C 1
A-D 1
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