PointList.h

class PointList {

  public:
    int len;
    int list[16][2];

    PointList() {
      len = 0;
    }

    void add(int point[]) {
      list[len][0] = point[0];
      list[len][1] = point[1];
      len++;
    }

    void rem(int index) {
      for (int i = index; i < len-1; i++) {
        list[i][0] = list[i+1][0];
        list[i][1] = list[i+1][1];
      }
      list[len-1][0] = 0;
      list[len-1][1] = 0;
      len--;
    }
};