分簇算法代码，sss.h中定义了部分功能函数在sss.cpp中实现；node.cpp实现了sss.h中定义的node类；main.cpp实现了仿真算法流程-Clustering algorithm code, sss.h some performance function is defined in the sss.cpp to achieve node.cpp achieved sss.h defined node class main.cpp flow simulation algori