zmeu.cpp: In function 'void bfs(int, int)': zmeu.cpp:26: warning: comparison between signed and unsigned integer expressions zmeu.cpp: In function 'int main()': zmeu.cpp:42: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:42: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:43: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zmeu.cpp:43: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x