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我觉得是判定性DP,记录10^x % n,然后f[i][j]表示后i位能否组成mod n为j的数In Reply To:这个题有什么好做法吗?我直接构造的在141,153,177那里要用ugly做法过,难道又是像拼木棍一样的搜? Posted by:frkstyc at 2005-04-12 13:44:18 Followed by:
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