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The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
，这一点在Line官方版本下载中也有详细论述
3. 国家统计局局长就2025年全年国民经济运行情况答记者问, www.stats.gov.cn/sj/sjjd/202…
在龙先生看来，作为天天跟代码打交道的防盗版软件工程师，骗子的手段和技术也在不断更新。虽然自己成功拦截了两次诈骗电话，但骗子通过专业的话术及团队配合，对受害人进行心理操控，进而一步步操控受害人的财产，如避开家人的监护、银行的风控机制；比如从申请手机盾提升转账额度，到关闭动账通知、拦截验证码等等，可谓是专业级别的操作。