Thread: problem with binary search trees

Hi,

When I try use my insert function I get an unhandled exception error any reason why?

Thanks for your help,
Daniel

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Code:

void insertBST(node *&root, node *temp)
{
	if(root == NULL)
		root = temp;
	else
	{
		
		while((temp->data <= root->data && root->left != NULL) || (temp->data >= root->data && root->right != NULL))
		{
			if(temp->data < root->data)
				root = root->left;
			else
				root = root->right;
		}
		if(temp->data <= root->data)
			root->left=temp;
		else
			root->right = temp;
	}
}

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