Compilare: user.cpp: In function ‘void Dijkstra()’: user.cpp:70:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[pozition].size();i++) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:88:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<GG[node].size();i++) ^ user.cpp:90:38: warning: unused variable ‘p’ [-Wunused-variable] int neighb=GG[node][i].first,p=GG[node][i].second; ^