Екатерина Ештокина
（二）违反本法第三十四条至第四十三条、第四十八条第二款的规定，未落实网络犯罪防治义务，依法采取相关监测发现、阻断处置的措施的；
。Line官方版本下载对此有专业解读
let value = value in threshold matrix at (x, y)
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.