Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:15:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<g[nod].size(); ++i) ^ user.cpp: In function ‘void dfs2(int)’: user.cpp:27:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<gt[nod].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:57:24: error: request for member ‘size’ in ‘comp’, which is of non-class type ‘std::vector<int> [100005]’ for (j=0; j<comp.size(); ++j) cout<<comp[i][j]<<" "; ^