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.
第五十五条 境外机构、组织、个人利用网络制造、传播虚假信息，损害中华人民共和国国家主权、安全、发展利益或者公共利益的，有关主管部门可以作出冻结财产、限制有关人员入境、限制在境内直接或者间接投资等决定。
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This story was originally featured on Fortune.com
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