joc7.cpp: In function 'void back(int)': joc7.cpp:36: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x joc7.cpp:36: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x joc7.cpp: In function 'int main()': joc7.cpp:52: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x joc7.cpp:52: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x