Eroare de compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); ++i) { ~~^~~~~~~~~~~~~~~ main.cpp:22:10: error: 'muchii' was not declared in this scope if(muchii[y].first == nod) ^~~~~~ main.cpp:27:7: error: 'g' was not declared in this scope g << nod << " " << k << " " << ++nr << '\n'; ^ main.cpp:27:40: error: 'nr' was not declared in this scope g << nod << " " << k << " " << ++nr << '\n'; ^~