Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<list[nod].size();++i) ^ user.cpp:18:38: error: ‘i’ was not declared in this scope for(int j=0;j<list[nod].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:29:8: error: ‘n’ was not declared in this scope f>>n>>m; ^ user.cpp:29:11: error: ‘m’ was not declared in this scope f>>n>>m; ^ user.cpp:33:15: error: ‘B’ was not declared in this scope f>>a>>B; ^