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Re:Help!In Reply To:Help! Posted by:xujiaming at 2009-05-13 16:52:24 > 为什么我在做第二问的时候如果判断条件是
> if(scc==1)printf("0\n");就AC，scc为求强连通后的缩成的点数
> if(in==1&&out==1)printf("0\n");就Wa //in，out分别为缩点后DAG中的入度为0的个数，出度为0的个数
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