binary tree search
/* This is just the seaching function you need to write the required code.
	Thank you. */
void searchNode(Node *root, int data)
{
    if(root == NULL)
    {
        cout << "Tree is empty\n";
        return;
    }
    queue<Node*> q;
    q.push(root);
    while(!q.empty())
    {
        Node *temp = q.front();
        q.pop();
        if(temp->data == data)
        {
            cout << "Node found\n";
            return;
        }
        if(temp->left != NULL)
            q.push(temp->left);
        if(temp->right != NULL)
            q.push(temp->right);
    }
    cout << "Node not found\n";
}
