dag.cpp: In function 'bool verif(int)': dag.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:55: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:71: warning: comparison between signed and unsigned integer expressions dag.cpp:74: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x dag.cpp:74: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x