//not adviced, interblocking, use sendAndReceive
//void SendVectorOfString(const std::vector<std::string>& vec, const int target);
//std::vector<std::string> RecvVectorOfString(const int source);
//not adviced, interblocking, use sendAndReceive
//void SendVectorOfString(const std::vector<std::string>& vec, const int target);
//std::vector<std::string> RecvVectorOfString(const int source);