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Re:(j + 2 * n / j) % 2 != 0 等于 (2*n/j+1-j) % 2 == 0 ? 是这样吧

Posted by ecjtuxsyuan at 2007-10-23 11:23:38 on Problem 2853
In Reply To:Re:用笨办法太慢了,高手能指点指点吗? Posted by:fly_away at 2006-08-17 12:03:52
> (j + 2 * n / j) % 2 != 0 等于 (2*n/j+1-j) % 2 == 0 ? 是这样的吧

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