Compilare: user.cpp: In function ‘int dfs(int, int)’: user.cpp:34:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++){ ^ user.cpp:43:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[x].size();i++){ ^ user.cpp:47:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(sum > maxim2 && i!=poz){ ^