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这个改成O(n^3)也很容易的In Reply To:将N^4改进为N^3*logN算法. Posted by:intheway at 2009-11-17 21:08:53 用一个数组记录每一行处理到第几个位置了，然后每次移动一个指针就行了。 Followed by: Post your reply here: |
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