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Re:大家小心，这题有空数据的情况，应输出possible！In Reply To:大家小心，这题有空数据的情况，应输出possible！ Posted by:mark1989 at 2010-01-14 21:37:40 谢谢，按照你的方法稍微修改下就过了，但是不知道为什么用有向图的方法做是错的。。 Followed by: Post your reply here: |
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