immortal.cpp: In function 'int kiir(int)': immortal.cpp:30: warning: no return statement in function returning non-void immortal.cpp: In function 'int backt(int)': immortal.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x immortal.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x immortal.cpp:68: warning: no return statement in function returning non-void