void _delete(Node*& root)
{
	Node* aux = root;

	if (!aux->left)
	{
		root = root->right;
//		delete aux;
	}
	else if (!aux->right)
	{
		root = root->left;
//		delete aux;
	}
	else
	{
		aux = root->left;

		while (aux->right)
		{
			aux = aux->right;
		}

		root->value = aux->value;
		_delete(aux);
	}
}