C++ Program to find average of n numbers

//Program to find average of n numbers
#include<iostream>
using namespace std;
int main()
{
    int n,i,a[100];
    float avg,sum=0;
    cout<<"\n Of how many number you want to find average:";
    cin>>n;
        cout<<"\n Enter numbers:"<<endl;
        for(i=0;i<n;i++)
         {
           cin>>a[i];
         }
        for(i=0;i<n;i++)
         {
           sum=sum+a[i];
         }
    avg=sum/n;
    cout<<"\n Average of "<<n<<" numbers is :"<<avg<<endl;
return 0;
}