Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:27:26: warning: value computed is not used [-Wunused-value] muchie[nod][*it]==1; ^ user.cpp:28:26: warning: value computed is not used [-Wunused-value] muchie[*it][nod]==1; ^ user.cpp: In function ‘void makecicles()’: user.cpp:46:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<ciclu.size()-1;++i) ^ user.cpp:47:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<ciclu.size();++j) ^