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Re:说一点需要注意的!!总WA的人可以看看。

Posted by yxzzy at 2007-08-18 11:24:12 on Problem 1657
In Reply To:说一点需要注意的!!总WA的人可以看看。 Posted by:gengyit at 2007-05-18 14:50:23
> c语言中的%和数学求模不太一样 ,c中的-1%2=-1,而数学中的 -1 mod 2=1   
> 
> 所以在判断 象 是否能达到某地时,记得要先取绝对值!

恩没错,是一个容易忽略的地方,谢谢你

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