Eroare de compilare: main.cpp: In function 'int main()': main.cpp:29:20: error: no match for 'operator!=' (operand types are 'std::pair<std::_Rb_tree_const_iterator<std::pair<int, int> >, bool>' and 'std::set<std::pair<int, int> >::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator'}) 29 | while (pos != points.begin()) | ~~~ ^~ ~~~~~~~~~~~~~~ | | | | | std::set<std::pair<int, int> >::iterator {aka std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator} | std::pair<std::_Rb_tree_const_iterator<std::pair<int, int> >, bool> In file included from /usr/include/c++/12.2.1/string:41, 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/allocator.h:219:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)' (reversed) 219 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/12.2.1/bits/allocator.h:219:5: note: template argument deduction/substitution failed: main.cpp:29:36: note: 'std::set<std::pair<int, int> >::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator'} is not derived from 'const std::allocator<_CharT>' 29 | while (pos != points.begin()) | ^ In file included from /usr/include/c++/12.2.1/string:47: /usr/include/c++/12.2.1/bits/stl_iterator.h:530:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&) requires requires{{std::operator==::__x->base() == std::operator==::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' (reversed) 530 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:530:5: note: template argument deduction/substitution failed: main.cpp:29:36: note: 'std::set<std::pair<int, int> >::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator'} is not derived from 'const std::reverse_iterator<_IteratorL>' 29 | while (pos != points.begin()) | ^ /usr/include/c++/12.2.1/bits/stl_iterator.h:1656:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&) requires requires{{std::operator==::__x->base() == std::operator==::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' (reversed) 1656 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1656:5: note: template argument deduction/substitution failed: main.cpp:29:36: note: 'std::set<std::pair<int, int> >::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator'} is not derived from 'const std::move_iterator<_IteratorL>' 29 | while (pos != points.begin()) | ^ In file included from /usr/include/c++/12.2.1/bits/basic_string.h:47, from /usr/include/c++/12.2.1/string:53: /usr/include/c++/12.2.1/string_view:546:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' (reversed) 546 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/12.2.1/string_view:546:5: note: template argument deduction/substitution failed: main.cpp:29:36: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>' 29 | while (pos != points.begin()) | ^ /usr/include/c++/12.2.1/bits/basic_string.h:3599:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed) 3599 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/basic_string.h:3599:5: note: template argument deduction/substitution failed: main.cpp:29:36: note: 'std::set<std::pair<int, int> >::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' Non zero exit status: 1