#include <iostream>

using namespace std;

// prototypes
void add(int* f,int h);
void show(int* f,int h);
int average(int* f,int h);

int main()
{
    // getting size of a array
    cout << "How many numbers would you insert? : ";
    int i = 0;
    cin >> i;
    cout << endl;

    // the dinamic array
    int* arr = new int[i];

    // call functions
    add(arr, i);
    show(arr, i);
    average(arr, i);

    // deleting the dinamic array
    delete[] arr;
    system("pause");
    return 0;
}

// declaring of the functions

// this function should fill up the array
void add(int* f1, int h)
{
    for(int j = 0 ; j < h ; j++)
    {
        cout << "Insert " << j+1 << ". value : ";
        cin >> f1[j]; //this should be the problem
        cout << endl;
    }

}

// this function should show the array
void show(int* f2, int h)
{
    for(int j = 0 ; j < h ; j++)
    {
        cout << f2[j] << ", ";
    }
}

// this function should should show average value of the array
int average(int* f3, int h)
{
    int n = 0;
    for(int j = 0 ; j < h ; j++)
    {
        n += f3[j];
    }
    n /= h;
    return n;
}