zoj 1915 Above Average（水~）

#include <iostream>
#include <iomanip>
using namespace std;
int main(void)
{
    int dig[1001];
    int ncases,num,count,i,n;
    double sum,aver;
    cin>>ncases;
    while(ncases--)
    {
        sum = 0; count = 0;
        cin>>n;
        for(i=0; i<n; i++)
        {
            cin>>dig[i];
            sum += dig[i];
        }
        aver = sum/n;
        for(i=0; i<n; i++)
            if( dig[i] > aver)
                count++;
        cout<<fixed<<setprecision(3)<<count*100.0/n<<"%"<<endl;
    }

system("pause");
return 0;
}