gistfile1.txt

int32_t Topswops::Evaluate() {
  int8_t *temp = (int8_t *)malloc(size);
  memcpy(temp, wops, size);

  score = 0;
  while (temp[0] != 1) {
    score++;
    Rotate(temp, 0, temp[0]);
  }

  free(temp);
  return score;
}

void Rotate(int8_t *buff, int start, int end) {
  buff += start;
  int length = end - start;
  for (int i = 0, j = length - 1; i < length / 2; i += 2, j -= 2) {
    int8_t swp0 = buff[i + 0];
    int8_t swp1 = buff[i + 1];
    buff[i + 0] = buff[j - 0];
    buff[i + 1] = buff[j - 1];
    buff[j + 0] = swp0;
    buff[j - 1] = swp1;
  }
}