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看了解题报告。当我没问…… -_-//

Posted by cpp050800448178 at 2007-05-04 12:16:40 on Problem 3219
In Reply To:Re:这题也是……比赛时2xxx ms过的……到这就改1000 ms Limit了……TLE…… 那位大大给讲讲算法? Posted by:20053565 at 2007-05-02 15:33:50
> long cal(int n)
> {
> 	if(n<2)
> 		return 0;
> 	return (n/2+cal(n/2));
> }

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