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Re:我ft 有是 cin cout 不如scanf

Posted by first at 2003-12-15 13:46:06 on Problem 1401
In Reply To:这个题目,不可能tle的,难道还有更好的算法,大家看看我的 Posted by:first at 2003-12-15 13:43:16
> void main() 
> { 
> 	int N,d,num5;
> 	int mult5[12];
> 	mult5[0]=5;
> 	int i;
> 	for(i=1;i<12;i++)
> 		mult5[i]=mult5[i-1]*5;
> 	cin>>N;
> 	while(N--)
> 	{   
>         cin>>d;
> 		num5=0;
> 	    for(i=0;i<12;i++)
> 			if(d>=mult5[i])
> 			{
> 				num5+=d/mult5[i];
> 			}
> 			else
> 			  break;
> 		cout<<num5<<endl;
> 	}
> 	
> }
> 这样tle
> while(N--)
> 	{   
>                   cin>>d;
> 		num5=0;
>                   t=d/5;
>                            while(t)
> 			{
> 				num5+=t;
>                                      t/=5;
> 			}
> 				cout<<num5<<endl;
> 	}
> 
> 
> 这样也tle ft了 5555 怎么做阿

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