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不用dfs，指数找到之后直接递推就OK了In Reply To:这题有解题报告没 Posted by:zfy0701 at 2008-06-29 21:15:41 > 我是用分解质因子 + dfs的，很慢很慢 > 希望知道更好的做法 Followed by: Post your reply here: |
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