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谁能说说为什么continue会快这么多？

Posted by alpc62 at 2007-09-23 17:56:41 on Problem 3385
In Reply To:自己改了改，试了试，还是运算问题？奇怪了。 Posted by:alpc62 at 2007-09-23 17:15:24

> 2S时限，原先G++ TLE而C++ 225MS AC：
> for (res=i=0;i<=n;i++)
> 	if (a[i]>d)	res+=(a[i]-2)/(d-1);
> 
> 改成下面这样 G++ 991MS AC：
> for (res=i=0;i<=n;i++)
> {
> 	if (a[i]<=d)	continue;
> 	res+=(a[i]-2)/(d-1);
> }
> 
> 真奇怪！！continue在G++能够使if加速一倍？

Followed by:

Re:谁能说说为什么continue会快这么多？ (35) caogtaa 2007-09-27 10:23:24

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