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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.
Жители Санкт-Петербурга устроили «крысогон»17:52,更多细节参见Line官方版本下载
This lets the caller pick a good size for the tasks slice, which may
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"I would wake up through the night just to double check my phone that I haven't slept through a phone call," his wife added.
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