fractii.cpp: In function 'int main()': fractii.cpp:20: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:20: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:25: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:25: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x fractii.cpp:29: warning: comparison between signed and unsigned integer expressions