benzina2.cpp: In function 'void dijkstra()': benzina2.cpp:27: warning: comparison between signed and unsigned integer expressions benzina2.cpp: In function 'int main()': benzina2.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x benzina2.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x benzina2.cpp:54: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x benzina2.cpp:54: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x