求出比平均数大的元素

#include<stdio.h>int fun(double s[],int n);int main(){       int n=0,num;       double s[100],sc;       while(scanf("%lf",&sc),sc!=-1)       {              s[n]=sc;              n++;       }       num=fun(s,n);       printf("%d\n",num);       return 0;}int fun(double s[],int n){    int i,j=0;     double a=0;     for(i=0;i<n;i++) { a+=s[i]; } for(i=0;i<n;i++) {  if(s[i]>a/n)           j++; }     return j;}