C :

#include<stdio.h> 
#define N 40 
int HighAver(int score[],int n); 
int ReadScore(int score[]); 
int main() 
{ 
    int score[N],n; 
    n=ReadScore(score); 
    printf("%d\n",HighAver(score,n)); 
    return 0; 
} 
int HighAver(int score[],int n) 
{ 
    int i,count=0,sum=0,aver; 
    for(i=0;i<n;i++) 
    { 
        sum=sum+score[i]; 
        aver=sum/n; 
    } 
    for(i=0;i<n;i++) 
    { 
        if(score[i]>aver) 
            count++; 
    } 
    return count; 
} 
int ReadScore(int score[]) 
{ 
    int i=-1; 
    do{ 
    i++;  
    scanf("%d",&score[i]); 
    }while(score[i]>=0); 
    return i; 
} 

C++ :

#include<bits/stdc++.h>
using namespace std;
int a[45],i,s,t;
int main()
{
	cin>>a[++i];
	while(1)
	{
		if(a[i]<0)break;
		cin>>a[++i];
		t+=a[i];
	}
	t/=(i-1);
	for(int j=1;j<=i;j++)
		if(a[j]>t)s++;
	cout<<s;
	return 0;
}