src\concreteoberver.cpp ...\concreteoberver.cpp~ ...\concreteoberver.h ...\concreteoberver.h~ ...\concreteobserver2.cpp ...\concreteobserver2.cpp~ ...\concreteobserver2.h ...\concreteobserver2.h~ ...\concretesubject.cpp ...\concretesubject.cpp~ ...\concretesubject.h ...\concretesubject.h~ ...\Makefile.am ...\Makefile.in ...\observer.h ...\observer.h~ ...\pd2.cpp ...\pd2.cpp~ ...\subject.cpp ...\subject.cpp~ ...\subject.h ...\subject.h~ src zguso.txt