Eroare de compilare: user.cpp: In function ‘int solve(char*)’: user.cpp:58:13: error: reference to ‘next’ is ambiguous next[++w]='A'; ^ user.cpp:7:15: note: candidates are: char next [50002] char s[50002],next[50002],aux[50002]; ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:66:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, from user.cpp:2: /usr/include/c++/5/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:60:13: error: reference to ‘next’ is ambiguous next[++w]='B'; ^ user.cpp:7:15: note: candidates are: char next [50002] char s[50002],next[50002],aux[50002]; ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:66:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, from user.cpp:2: /usr/include/c++/5/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:61:5: error: reference to ‘next’ is ambiguous next[w+1]=0; ^ user.cpp:7:15: note: candidates are: char next [50002] char s[50002],next[50002],aux[50002]; ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:66:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, from user.cpp:2: /usr/include/c++/5/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:62:11: error: reference to ‘next’ is ambiguous solve(next); ^ user.cpp:7:15: note: candidates are: char next [50002]