ptrrrr

int _tmain(int argc, _TCHAR* argv[])
{
    int n;
    srand(time(NULL));
    cout << "Enter matrix size: ";
    cin >> n;
    int *ptr = NULL;
    for (int i = 0; i < n; i++)
    {
        ptr = new int [n];
    }
    for ( int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            *ptr = rand();
            cout << *ptr <<"\t";
        }
        cout << "\n";
    }
    system ("pause");
    return 0;
}