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学习了，我不是用的矩阵乘法，我是枚举那一条走来走去的边。因为N很大，最后肯定是在一条比较小的边上重复走好多次然后退出的。In Reply To:真是一个很好的题目 Posted by:shllhsno1 at 2012-09-29 18:55:55 > 真是一个很好的题目，学到了矩阵乘法和倍增算法的应用，受益匪浅。 Followed by: Post your reply here: |
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