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晕,,,怎么想到的!强......可能是我太弱了,

Posted by Essence_me at 2005-08-27 10:50:46 on Problem 2440
In Reply To:Re:CODE here Posted by:lookus at 2005-08-27 03:32:55 
> #include <iostream.h>
> void main()
> {
> 	int n,i,a[200]={1,2,4,6};
> 	for(i=4;i<200;++i)
> 		a[i]=(a[i-1]+a[i-3]+a[i-4])%2005;
> 	while(cin>>n)
> 		cout<<a[n%200]<<endl;
> }
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