Proced_3_Pratyb_3.04

#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
double n,a[11],sum=0;
cin>>n;
for(int i=0;i<n;i++)
{cin>>a[i];sum+=a[i];}
cout<<fixed<<setprecision(2)<<sum/n<<endl;
return 0;
}