Eroare de compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:37:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<E[x].size(); i++) ^ user.cpp:42:39: error: no matching function for call to ‘find(std::vector<int>::iterator, std::vector<int>::iterator, int&)’ S.erase( find ( S.begin(), S.end(), x)); ^ user.cpp:42:39: note: candidate is: In file included from /usr/local/include/c++/4.8.0/bits/locale_facets.h:48:0, from /usr/local/include/c++/4.8.0/bits/basic_ios.h:37, from /usr/local/include/c++/4.8.0/ios:44, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/streambuf_iterator.h:369:5: note: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^ /usr/local/include/c++/4.8.0/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: user.cpp:42:39: note: ‘__gnu_cxx::__normal_iterator<int*, std::vector<int> >’ is not derived from ‘std::istreambuf_iterator<_CharT>’ S.erase( find ( S.begin(), S.end(), x)); ^