Eroare de compilare: main.cpp: In function 'void dijkstra()': main.cpp:53:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vec[u].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:13: error: 'g' was not declared in this scope g << 0 << " "; ^ main.cpp:80:13: error: 'g' was not declared in this scope g << arb[i] << " "; ^ Non zero exit status: 1