Eroare de compilare: main.cpp: In function 'int main()': main.cpp:48:13: error: reference to 'prev' is ambiguous prev[i] = last[first_char - 'a']; ^~~~ main.cpp:22:5: note: candidates are: int prev [20002] int prev[NMAX]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:217:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^~~~ main.cpp:60:25: error: reference to 'prev' is ambiguous while (pos_start != prev[pos_start]) { ^~~~ main.cpp:22:5: note: candidates are: int prev [20002] int prev[NMAX]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:217:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^~~~ main.cpp:64:21: error: reference to 'prev' is ambiguous pos_start = prev[pos_start]; ^~~~ main.cpp:22:5: note: candidates are: int prev [20002] int prev[NMAX]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:217:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^~~~ main.cpp:39:9: warning: unused variable 'searched_value' [-Wunused-variable] int searched_value; ^~~~~~~~~~~~~~ main.cpp:40:9: warning: unused variable 'ALPH_SIZE' [-Wunused-variable] Non zero exit status: 1