#include <iostream>

using namespace std;

const size_t MAX_SIZE{5000};

size_t GetSize();
void PrintArray( const int ary[], size_t size) ;
void FillArray( int * ary, size_t size) ;
int * MakeArray(size_t  & size);

int main() {
    size_t size;
    int * data{nullptr};

    srand(time(nullptr));

    size = GetSize();
    data = MakeArray(size);

    FillArray(data, size);

    cout << "The array is: " << endl;
    PrintArray(data, size);

    if (data != nullptr) {
        delete[] data;
    }
    return 0;
}

int * MakeArray(size_t & size) {
    int * data{nullptr};

    data = new int[size];
    if (data == nullptr) {
        cout << "Error, failed to allocate the array " << endl;
        size = 0;
    }

    return data;
}

// YUCK, DON'T DO THIS!!!
void FillArray( int * ary, size_t size) {

    for(size_t i =0; i < size; ++i) {
        *(ary+i) = rand() % MAX_SIZE;
    }
}


void PrintArray( const int ary[], size_t size) {
    for(size_t i=0; i < size; ++i) {
       cout << "\t" << i  << "\t" << ary[i] << endl;;
    }
}

size_t GetSize() {

    size_t size;

    cout << "Enter the size of the array 1-1000 : ";
    cin >> size;
    cout << endl;


    if (size > 1000) {
        cout << " Sorry  1000 is the limit" << endl;
    }
    if (size == 0) {
        cout << " Sorry, it must be at least 1" << endl;
        size = 1;
    }

    return size;
}