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Re:一个小问题,求一个答案

Posted by frkstyc at 2005-09-02 13:45:42
In Reply To:一个小问题,求一个答案 Posted by:CAY at 2005-09-02 13:41:46

> for(int i=0; i<sqrt(k); i++);
> 这种语句i没加1一次,是否都计算一次sqrt(k)呢?
                                        yes, if compiled without optimization
> 如果是,是否我改成for(int i=0, t=sqrt(k); i<t; i++); 会节约点时间
                                        this is a better way
> 还是不同的情况做不同处理?

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Re:一个小问题,求一个答案 (154) CAY 2005-09-02 13:52:39

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