Compilare: user.cpp: In function ‘void draw()’: user.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Vnodes.size();i++) ~^~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:137:27: warning: overflow in implicit constant conversion [-Woverflow] disvector[i]= INFINITY; ^~~~~~~~ user.cpp:165:20: warning: overflow in implicit constant conversion [-Woverflow] dis[i]=INFINITY; ^~~~~~~~ user.cpp:131:29: warning: ‘index’ may be used uninitialized in this function [-Wmaybe-uninitialized] of << fields[index].range; ^~~~~