> #include <stdio.h>
> int main()
> {
> int o,i;
> __int64 sum;
> while(scanf("%d",&o)!=EOF)
> 	{
> 	sum=1;
> 	i=1;
> 	while(sum%o!=0) {i++;sum=sum*10+1;}
> 	printf("%d\n",i);
> 	}
> return 0;
> }
你测试数据97 不超时才怪