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Re:一种建素数表的方法In Reply To:一种建素数表的方法 Posted by:hmlog at 2008-07-28 13:16:03 > 先把整个表标记为true，然后从2开始往上扫描，第一次把2的倍数标记为false，第二次把3的倍数标记为false，第三次把5的倍数标记为false...以此类推。 > 当然了这种方法效率不高，我的代码用了400ms+。 我也这么干的g++ 10^6建表 125MS Followed by:
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