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Re:marbles能再提示下吗?

Posted by worton at 2007-08-07 21:08:47 on Problem 3307
In Reply To:Re:marbles能再提示下吗? Posted by:marbles at 2007-08-07 21:01:29
我本来想对每个数测试,依次把满足的存入表中,肯定超时了。对了10^18是第多少个?按你的搜索怎么知道一个数的rank呢?

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