UVa 10370 - Above Average

#include <iostream>
#include <cstdlib>
#include <cstdio>

using namespace std;

int Data[ 1005 ];

int main()
{
	int C,N;
	while ( scanf("%d",&C) != EOF ) 
	while ( C -- ) {
		scanf("%d",&N);
		for ( int i = 1 ; i <= N ; ++ i )
			scanf("%d",&Data[i]);
		double Sum = 0.0;
		for ( int i = 1 ; i <= N ; ++ i )
			Sum += Data[i];
		double Ave = Sum/N;
		int Count = 0;
		for ( int i = 1 ; i <= N ; ++ i )
			if ( Data[i] > Ave )
				++ Count;
		printf("%.3lf%%\n",Count*100.0/N);
	}
	
	return 0;
}