Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:6:19: warning: integer overflow in expression [-Woverflow] #define oo (1<<31)-1 ~~~~~~~^~ main.cpp:38:32: note: in expansion of macro 'oo' for(int i=1;i<=n;i++)D[i]=oo; ^~ main.cpp:50:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V[CurrentNod].size();i++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void print()': main.cpp:6:19: warning: integer overflow in expression [-Woverflow] #define oo (1<<31)-1 ~~~~~~~^~ main.cpp:73:18: note: in expansion of macro 'oo' if(D[i]!=oo)g<<D[i]<<" "; ^~