struct node
{
    Vector *controlPoint;
    float time;
    node *next;
};

node *firstPoint;
node *secondPoint;
node *focusPoint;

node* addPoint(Vector *point, float time)
{
    node *temp;
    temp = new node;
    temp->controlPoint = point;
    temp->time = time;
    if (firstPoint == NULL)
    {
        firstPoint = temp;
        firstPoint->next = NULL;
    }
    else
    {
        node *it = firstPoint;
        while (it->next != NULL) {
            it = it->next;
        }
        it->next = temp;
        temp->next = NULL;
    }
    return temp;
}

int countPoints() {
    int count = 0;
    if (firstPoint != NULL) {
        ++count;
        node* it = firstPoint;
        while (it->next != NULL) {
            it = it->next;
            ++count;
        }
    }
    return count;
}