SinglyLinkedListNode* deleteNode(SinglyLinkedListNode* llist, int position) {
    SinglyLinkedListNode* ptr = llist;
    
    if (position == 0) {
        SinglyLinkedListNode* ret = llist->next;
        delete llist;
        return ret;
    }
    
    for (int i = 0; i < position-1; i++) {
        ptr = ptr->next;
    }
    
    SinglyLinkedListNode* remove = ptr->next;
    ptr->next = remove->next;
    delete remove;
    
    return llist;
}