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Re:用中国剩余定理固然可以做出来,但请问我这样做怎就wa了呢?麻烦看一下

Posted by qzmc at 2009-07-21 17:13:24 on Problem 1006
In Reply To:用中国剩余定理固然可以做出来,但请问我这样做怎就wa了呢?麻烦看一下 Posted by:08060029 at 2009-07-17 09:22:09
> 用中国剩余定理固然可以做出来,但请问我这样做怎就wa了呢?麻烦看一下
> 
> 
> #include<stdio.h>
> 
> int main()
> {
> 	int a1,a2,a3,d,day,n,i=0;
> 	
> 	
> 	while(scanf("%d%d%d%d",&a1,&a2,&a3,&d)!=EOF)
> 	{
> 		if(a1==a2&&a2==a3&&a3==d&&a1==-1)
> 			return 0;
> 		else 
> 		{
> 			i++;
> 			n=1;
> 			while(1)
> 			{
> 				day=n*23+a1;
> 				if((day-a2)%28==0&&(day-a3)%33==0&&day-d>0)
> 					break;
> 				else	n++;
> 			}
> 			printf("Case %d: the next triple peak occurs in %d days.\n",i,day-d);
> 		}
> 	}
> 	return 0;
> }
>     

else	n++;  i没有上界,循环不能结束。可定下n<= 21252.

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