> #include"iostream"
> using namespace std;
> int main()
> {
>     int i=0,n,count=0,m,j;
> 	float sum,ave,a[100];
> 	scanf("%d",&n);
> 	while(i<n)
> 	{
> 		count=0;sum=0;
> 		i++;
> 		scanf("%d",&m);
> 		for( j=0;j<m;j++)
> 		{
> 			scanf("%f",&a[j]);
> 			sum+=a[j];
> 		}
> 		ave=sum/m;
> 		for(j=0;j<m;j++)
> 			if(a[j]>ave)
> 				count++;
> 			printf("%.3f%%\n",(float) count/m*100);
> 	}
> 	return 0;
> }