C / C++ / MFC

void Sift(int arr[], int left, int right)
{
    int i, j, x;
    
    i = left;
    j = 2 * i + 1;
    x = arr[i];
            
    while (j <= right)
    {
        if(j < right)
	    if(arr[j] < arr[j + 1]) j++;
		
        if (x >= arr[j]) break;

        arr[i] = arr[j];
        i = j;
        j = 2 * i + 1;
    }
	
    arr[i] = x;
}

void HeapSort(int arr[], int n)
{
    int left, right, temp;

    left = n / 2 + 1;
    right = n - 1;

    while (0 < left)
    {
	left--;
                    
	Sift(arr, left, right);
    }

    while (0 < right)
    {
        temp = arr[left];
	arr[left] = arr[right];
	arr[right] = temp;

        right--;

	Sift(arr, left, right);
    }
    
    // Here I count
    for(int i = 0; i < n; i++)
	if(0 < arr[i]) PosCount++;
}

Object ^identity = WindowsIdentity::GetCurrent();
WindowsPrincipal ^principal = gcnew WindowsPrincipal(identity);
bool isElevated = principal->IsInRole(WindowsBuiltInRole::Administrator);

try
    {
    if (isElevated == true)
    {
    }
    else
    {
        MessageBox::Show("WARNING: Program not running as administrator!", "Credential Error", MessageBoxButtons::OK, MessageBoxIcon::Error);
    }
    }
catch (Exception ^ex)
{
    MessageBox::Show("This program cannot run as performed because your system does not support admin rights, program now terminating from computer memory.", ".Net Framework Error", MessageBoxButtons::OK, MessageBoxIcon::Error);
    Environment::Exit(1);
}