zmeu.cpp: In function 'void bfs(int, int)': zmeu.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:24: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:32: warning: comparison between signed and unsigned integer expressions zmeu.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp: In function 'int main()': zmeu.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:56: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:56: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:74: warning: comparison between signed and unsigned integer expressions