10個の数の平均値(配列)を求めます

#include 
using namespace std;

int main()
{
    float average(float array[]);
    float a[10], m;

    cout<> a[i];
      }

    m = average(a);

    cout << "the average is "<< m<< endl;

    return 0;
}
float average(float array[])
{   
    float sum = array[0], f;

    for(int i = 1; i < 10; ++i)
      { 
        sum = sum + array[i];
      }

    f = sum /10;

    return f;
}