POJ 2350

 #include<iostream>
 #include<stdio.h>
 #include<iomanip>
 using namespace std;
 int main()
 {
     //freopen("acm.acm","r",stdin);
     int * score;
     int i;
     double sum;
     int k;
     int num;
     int anum;
     cin>>anum;
     while(anum--)
     {
     cin>>num;
     sum = ;
     k = ;
     score = new int[num];
     for(i =  ; i < num ; i++)
     {
         cin>>score[i];
         sum += score[i];
     }
     sum = sum/double(num);
     for(i = ; i < num; i ++)
     {
         if(score[i]>sum)
             k++;
     }
     cout<<setiosflags(ios::fixed)<<setprecision()<<double(k)/double(num)*<<"%"<<endl;
     }
 }