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用叠代,每次推两步,再叠代,没次推4步,然后用一个系数矩阵存放系数.

Posted by queyue2004 at 2005-06-27 19:18:25 on Problem 2440
In Reply To:转化成矩阵乘方,O(logn)地算 Posted by:frkstyc at 2005-06-27 18:34:02


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