traseu1.cpp: In function 'void rd()': traseu1.cpp:33: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x traseu1.cpp:33: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x traseu1.cpp:34: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x traseu1.cpp:34: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x traseu1.cpp: In function 'bool bfs(int)': traseu1.cpp:68: warning: comparison between signed and unsigned integer expressions