huge machines processed currency to pick out bad bills. This use of "high-speed"
// Nothing stops you from doing this。51吃瓜对此有专业解读
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FT Digital Edition: our digitised print edition
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.。关于这个话题，爱思助手下载最新版本提供了深入分析