The tree starts as a single region covering the whole space. As points arrive, they get dropped into the region that contains them. When a region exceeds its capacity (the maximum number of points it can hold before splitting), the region divides into four children, and the existing points get redistributed.
this.state = state;
。业内人士推荐体育直播作为进阶阅读
Сдержанная риторика Китая продиктована вопросами собственной энергетической безопасности
Try E₄: misses point(s)