dag.cpp: In function 'void citire()': dag.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:48: warning: comparison between signed and unsigned integer expressions dag.cpp:49: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:49: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x