HMI Human Machine Interface，显示UI信息，进行人机交互。 Service 在系统后台进行数据处理，监控数据状态。 SDK 根据业务逻辑Service对外暴露的通信接口，其他模块通过它来完成IPC通信。 当然并不是所有的应用都需要Service，只有不能长久的驻留在内存中，且需要监控 ...

You are given an array points representing integer coordinates of some points on a 2D-plane, where points[i] = [xi, yi]. Return the minimum cost to make all points connected. All points are connected ...

Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece ...