Eroare de compilare: main.cpp:19:16: error: reference to 'data' is ambiguous 19 | bool cmp(const data &a, const data &b) | ^~~~ In file included from /usr/include/c++/12.2.1/string:52, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: /usr/include/c++/12.2.1/bits/range_access.h:343:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)' 343 | data(initializer_list<_Tp> __il) noexcept | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:333:5: note: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])' 333 | data(_Tp (&__array)[_Nm]) noexcept | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:322:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)' 322 | data(const _Container& __cont) noexcept(noexcept(__cont.data())) | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:311:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)' 311 | data(_Container& __cont) noexcept(noexcept(__cont.data())) | ^~~~ main.cpp:12:8: note: 'struct data' 12 | struct data | ^~~~ main.cpp:19:31: error: reference to 'data' is ambiguous 19 | bool cmp(const data &a, const data &b) | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:343:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)' 343 | data(initializer_list<_Tp> __il) noexcept | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:333:5: note: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])' 333 | data(_Tp (&__array)[_Nm]) noexcept | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:322:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)' 322 | data(const _Container& __cont) noexcept(noexcept(__cont.data())) | ^~~~ /usr/include/c++/12.2.1/bits/range_access.h:311:5: note: 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)' 311 | data(_Container& __cont) noexcept(noexcept(__cont.data())) | ^~~~ main.cpp:12:8: note: 'struct data' 12 | struct data | ^~~~ main.cpp: In function 'bool cmp(const int&, const int&)': main.cpp:21:15: error: request for member 'sf' in 'a', which is of non-class type 'const int' 21 | return (a.sf>b.sf); | ^~ main.cpp:21:20: error: request for member 'sf' in 'b', which is of non-class type 'const int' 21 | return (a.sf>b.sf); | ^~ Non zero exit status: 1