Eroare de compilare: user.cpp: In function ‘void readGraph(std::set<int>*, int&, int&)’: user.cpp:17:9: warning: unused variable ‘j’ [-Wunused-variable] int i, j , x , y; ^ user.cpp: In function ‘void dfs(std::set<int>*, int, int)’: user.cpp:42:15: error: reference to ‘max’ is ambiguous if (c[x] > max) ^ user.cpp:12:5: note: candidates are: int max int max; ^ In file included from /usr/local/include/c++/4.8.0/bits/char_traits.h:39:0, from /usr/local/include/c++/4.8.0/ios:40, 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/stl_algobase.h:260:5: note: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:216:5: note: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^ user.cpp:44:5: error: reference to ‘max’ is ambiguous max = c[x]; ^ user.cpp:12:5: note: candidates are: int max int max; ^ In file included from /usr/local/include/c++/4.8.0/bits/char_traits.h:39:0, from /usr/local/include/c++/4.8.0/ios:40, 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/stl_algobase.h:260:5: note: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^ /usr/local/include/c++/4.8.0/bits/stl_algobase.h:216:5: note: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^ user.cpp:48:5: error: reference to ‘max’ is ambiguous max = c[x] + max; ^ user.cpp:12:5: note: candidates are: int max int max; ^ In file included from /usr/local/include/c++/4.8.0/bits/char_traits.h:39:0, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: