#include <iostream> 

using namespace std; 

int *initialize_array(int size); 

int main () 
{ 
	int *array;
        int  len, i; 

	cout << "How many numbers do you want to store? ";
	cin  >> len;

	array = initialize_array(len); 

        for (i = 0; i < len; i++) {
                cout << "array[" << i << "]: " << array[i] << endl; 
        } 
        delete [] array; 
} 

int *initialize_array(int size)
{
        int  i; 
        int *array = new int [size]; 

	// An "identity array" sets each slot value to the index of the slot
        for (i = 0; i < size; i++) {
                array[i] = i; 
        } 
        return array; 
}