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我的应该算O(N^2)吧,二维降为一维,不过这过程只需从第一行开始,不需再从第二,三行开始了,所以时间就从O(N^3)降到O(N^2)了In Reply To:N^2怎么做? Posted by:xinwenxin at 2004-11-01 16:55:37 > . Followed by:
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