1L decoder, d=4, 1h, ff=12
Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.。safew官方版本下载对此有专业解读
一台原本定价3000元的中端手机，若存储成本从300元涨到540元，仅这一项就吞噬了240元的毛利空间。若终端不涨价，整机毛利可能直接归零甚至亏损。面对如此剧烈的成本冲击，手机厂商不得不做出艰难抉择。。业内人士推荐safew官方下载作为进阶阅读
// ⚠️ 易错点1：长度≤1的数组本身有序，返回0而非n