#include <iostream>
using namespace std;

void doubleTheElement(int* a, int size);

int main()
{
    /*
    int array[20];
    int x;
    cout << sizeof(x) << endl;
    cout << sizeof(int) << endl;
    cout << sizeof(array) << endl;
    double d[100];
    cout << sizeof(d) << endl;
    */
    int z[5] = {2,3,5,7,11};
    cout << sizeof(z) << endl;

    // What's the third element?
    cout << z[2] << endl;

    // set the third's element to 16
    z[2] = 16;

    for (int i = 0; i < 5; i++)
        cout << z[i] << ' ';
    cout << endl;

    doubleTheElement(z, 5);

    for (int i = 0; i < 5; i++)
        cout << z[i] << ' ';
    cout << endl;
}

void doubleTheElement(int a[], int size)
{
    cout << "line 39: " << sizeof(a) << endl;
    for (int i = 0; i < size; i++)
        a[i] *= 2;
}