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同上,刚开始还去一位位枚举,仔细分析了一下,只要是2,3,5,7的幂次方就可以了。

Posted by yygy at 2013-01-29 23:45:20 on Problem 3307
In Reply To:做法同 1338UGLY NUMBER... Posted by:The_Dawn at 2011-07-03 23:35:51
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