Eroare de compilare: user.cpp: In function ‘void afis(int, int)’: user.cpp:29:10: error: reference to ‘prev’ is ambiguous afis(prev[x], y + 1); ^ user.cpp:10:70: note: candidates are: int prev [100000] int i,j,n,x,coor,x2,y2,care,p,u,ax,cate,y,xx,yy,a[10][10],op[100000],prev[100000]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /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:31:8: error: reference to ‘prev’ is ambiguous if(prev[x] == 0) ^ user.cpp:10:70: note: candidates are: int prev [100000] int i,j,n,x,coor,x2,y2,care,p,u,ax,cate,y,xx,yy,a[10][10],op[100000],prev[100000]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /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 ‘int main()’: user.cpp:131:43: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] x = (conf >> ((cate - i) * 6) + 3) & 7; ^ user.cpp:150:43: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] x = (conf >> ((cate - i) * 6) + 3) & 7; ^ user.cpp:173:25: error: reference to ‘prev’ is ambiguous prev[u] = p; ^ user.cpp:10:70: note: candidates are: int prev [100000] int i,j,n,x,coor,x2,y2,care,p,u,ax,cate,y,xx,yy,a[10][10],op[100000],prev[100000]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: