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122條賦予特朗普權力，可以對特定商品加徵最高15%的關稅，有效期為150天，之後必須由國會介入處理。
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Features in Bullets:
Раскрыты подробности похищения ребенка в Смоленске09:27