Eroare de compilare: main.cpp: In function 'int main()': main.cpp:44:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<v[nod].size(); i++){ ~^~~~~~~~~~~~~~ main.cpp:48:17: error: 'lvl' was not declared in this scope lvl[v[nod][i]] = lvl[nod] + 1;}}} ^~~ main.cpp:51:13: error: 'lvl' was not declared in this scope lvl[i] = -1;} ^~~ main.cpp:52:15: error: 'lvl' was not declared in this scope cout<<lvl[i]<<" ";} ^~~ Non zero exit status: 1