alee.cpp: In function 'int bfs(int, pair1, pair1)': alee.cpp:28: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x alee.cpp:28: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x alee.cpp:48: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x alee.cpp:48: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x alee.cpp:55: warning: no return statement in function returning non-void