Compilare: user.cpp: In function ‘int main()’: user.cpp:20: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:21: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:22: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:23: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:25: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:26: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:27: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x user.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x