Eroare de compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:31:8: error: ‘vix’ was not declared in this scope if(vix[x]==1) return ; ^ user.cpp:35:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<out[x].size();++i) { ^ user.cpp: In function ‘int main()’: user.cpp:61:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<res.size();++i) fout<<res[i]<<' '; ^