Compilare: main.cpp: In function 'void dijkstra()': main.cpp:35:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V[Current_Node].size();i++) ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:33: warning: overflow in implicit constant conversion [-Woverflow] for(int i=2; i<=n; i++)D[i]=oo; ^~