urgenta.cpp: In function 'int main()': urgenta.cpp:49: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:49: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:50: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:50: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:51: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:51: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:57: warning: comparison between signed and unsigned integer expressions urgenta.cpp:67: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:67: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:70: warning: comparison between signed and unsigned integer expressions urgenta.cpp:73: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:73: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:77: warning: comparison between signed and unsigned integer expressions