Inaltime arbore

int height(Tree t)
{
    if(t == NULL)
    {
        return 0;
    }
    else
    {
        int l, r;
        l = height(t->left);
        r = height(t->right);
        if(l >= r)
        {
            return l+1;
        }
        else
            return r+1;
    }
}