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Re:我有一个简单的想法，大家看看In Reply To:Re:我有一个简单的想法，大家看看 Posted by:qitaishui at 2012-05-27 21:22:40 > 我和你想的一样，但WA了== 看这个： 5 6 1 3 1 2 3 1 3 4 1 3 5 1 1 2 0 4 5 0 因为1-2的双向边在考察1/2时分别要求指定不同的方向，所以答案是impossible Followed by: Post your reply here: |
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