Eroare de compilare: main.cpp: In function 'void dfs2(int)': main.cpp:28:5: error: 'vf' was not declared in this scope 28 | vf[ct].push_back(nod); | ^~ main.cpp: In function 'int main()': main.cpp:54:15: error: cannot convert 'std::stack<int>::empty' from type 'bool (std::stack<int>::)() const' to type 'bool' 54 | while(!st.empty) | ^~~~~ main.cpp:54:15: error: in argument to unary ! 54 | while(!st.empty) | ~~~^~~~~ main.cpp:64:20: error: 'vf' was not declared in this scope 64 | for(auto j:vf[i]) | ^~ Non zero exit status: 1