cmiN

#include <iostream>
#include <new>
using namespace std;

void f1()
{
    // bad, must be used dynamic memory
    unsigned int i, *x, j;
    i = 0;
    cout << "Enter numbers (until you enter 0).\n";
    do
    {
        cin >> *(x + i);
        i++;
    }
    while (*(x + i - 1) != 0);
    cout << "The numbers: ";
    for (j = 0; j < i - 1; j++)
    {
        cout << x[j] << " ";
    }
    cout << "\n";
}

void f2()
{
    // good, dynamic memory used
    unsigned int i, *x, j;
    x = new(nothrow) unsigned int;
    i = 0;
    cout << "Enter numbers (until you enter 0).\n";
    do
    {
        cin >> *(x + i);
        i++;
    }
    while (*(x + i - 1) != 0);
    cout << "The numbers: ";
    for (j = 0; j < i - 1; j++)
    {
        cout << x[j] << " ";
    }
    cout << "\n";
}

int main()
{
    cout << "Testing f2...\n";
    f2();
    cout << "Testing f1...\n";
    f1();
    system("pause >NUL");
    return 0;
}