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头脑要转个弯……

Posted by frkstyc at 2006-04-16 00:29:02 on Problem 1094
In Reply To:弱弱的问一下，拓扑排序应该是先读入所有的点之后再排序的吧，可是这题怎么判断到了哪一点后就足够条件了呢，哪位兄弟帮忙解答一下 Posted by:xiangsanzi at 2006-04-16 00:20:07 
sample是
4 6
A<B
A<C
B<C
C<D
B<D
A<B

你假如强行把它改成
4 5
A<B
A<C
B<C
C<D
B<D

你的程序总不至于就傻了吧？
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