dag.cpp: In function 'void citire()': dag.cpp:30: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:30: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:31: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:31: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp: In function 'bool rezolv(int, int)': dag.cpp:50: warning: comparison between signed and unsigned integer expressions dag.cpp:56: warning: comparison between signed and unsigned integer expressions