Eroare de compilare: user.cpp: In function ‘void afisare()’: user.cpp:83:20: error: no match for ‘operator!=’ (operand types are ‘cel’ and ‘int’) if(alah[i] != oo) ^ In file included from /usr/include/c++/6/iosfwd:40:0, from /usr/include/c++/6/ios:38, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/postypes.h:221:5: note: candidate: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^~~~~~~~ /usr/include/c++/6/bits/postypes.h:221:5: note: template argument deduction/substitution failed: user.cpp:4:18: note: ‘cel’ is not derived from ‘const std::fpos<_StateT>’ #define oo (1<<30) ^ user.cpp:83:23: note: in expansion of macro ‘oo’ if(alah[i] != oo) ^~ In file included from /usr/include/c++/6/bits/stl_algobase.h:64:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/stl_pair.h:448:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^~~~~~~~ /usr/include/c++/6/bits/stl_pair.h:448:5: note: template argument deduction/substitution failed: user.cpp:4:18: note: ‘cel’ is not derived from ‘const std::pair<_T1, _T2>’ #define oo (1<<30) ^ user.cpp:83:23: note: in expansion of macro ‘oo’ if(alah[i] != oo) ^~ In file included from /usr/include/c++/6/bits/stl_algobase.h:67:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/stl_iterator.h:304:5: note: candidate: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator!=(const reverse_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/6/bits/stl_iterator.h:304:5: note: template argument deduction/substitution failed: user.cpp:4:18: note: ‘cel’ is not derived from ‘const std::reverse_iterator<_Iterator>’ #define oo (1<<30) ^ user.cpp:83:23: note: in expansion of macro ‘oo’ if(alah[i] != oo)