local.get $messageLength
First writing may be 40,000 years earlier than thought.
。关于这个话题，WPS官方版本下载提供了深入分析
The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.
This story was originally featured on Fortune.com