Eroare de compilare: user.cpp: In function ‘void solve()’: user.cpp:46:17: error: reference to ‘prev’ is ambiguous prev[new_rest] = rest; ^ user.cpp:10:5: note: candidates are: int prev [500002] int prev[Pmax], sol[Cmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp: In function ‘void write()’: user.cpp:62:14: error: reference to ‘prev’ is ambiguous if ((prev[r] * 10 + 2) % p == r) ^ user.cpp:10:5: note: candidates are: int prev [500002] int prev[Pmax], sol[Cmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp:65:18: error: reference to ‘prev’ is ambiguous if ((prev[r] * 10 + 3) % p == r) ^ user.cpp:10:5: note: candidates are: int prev [500002] int prev[Pmax], sol[Cmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp:68:18: error: reference to ‘prev’ is ambiguous if ((prev[r] * 10 + 5) % p == r) ^ user.cpp:10:5: note: candidates are: int prev [500002] int prev[Pmax], sol[Cmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^