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.
"We look forward to uncovering and sharing the story of the Norfolk community that owned and used these items," the pair added.，推荐阅读同城约会获取更多信息
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