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表示矩阵大部分元素都是0，当然需要优化矩乘……In Reply To:1.m=0，不然会RE.2.long long型 ,不然会wa 3.矩阵相乘要优化,不然会tle Posted by:zhezhe at 2011-01-27 23:46:39 Followed by: Post your reply here: |
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