pixy.cpp: In function 'void bfs()': pixy.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pixy.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pixy.cpp:45: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pixy.cpp:45: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pixy.cpp: In function 'int main()': pixy.cpp:61: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x pixy.cpp:61: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x