ubuntzei.cpp: In function 'void dijkstra(int)': ubuntzei.cpp:38: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:38: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:46: warning: comparison between signed and unsigned integer expressions ubuntzei.cpp:51: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:51: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp: In function 'int main()': ubuntzei.cpp:84: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:84: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:85: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:85: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:107: warning: comparison between signed and unsigned integer expressions