Eroare de compilare: main.cpp: In function 'int main()': main.cpp:84:9: warning: unused variable 'd1' [-Wunused-variable] 84 | int d1, c1; | ^~ main.cpp:84:13: warning: unused variable 'c1' [-Wunused-variable] 84 | int d1, c1; | ^~ In file included from /usr/include/c++/12.2.1/string:48, 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/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/12.2.1/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = point]': /usr/include/c++/12.2.1/bits/predefined_ops.h:196:23: required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<point*, std::vector<point, std::allocator<point> > >; _Value = point; _Compare = std::less<point>]' /usr/include/c++/12.2.1/bits/stl_heap.h:140:48: required from 'constexpr void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<point*, vector<point, allocator<point> > >; _Distance = long int; _Tp = point; _Compare = __gnu_cxx::__ops::_Iter_comp_val<less<point> >]' /usr/include/c++/12.2.1/bits/stl_heap.h:216:23: required from 'constexpr void std::push_heap(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<point*, vector<point, allocator<point> > >; _Compare = less<point>]' /usr/include/c++/12.2.1/bits/stl_queue.h:749:16: required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(value_type&&) [with _Tp = point; _Sequence = std::vector<point, std::allocator<point> >; _Compare = std::less<point>; value_type = point]' main.cpp:69:23: required from here /usr/include/c++/12.2.1/bits/stl_function.h:408:20: error: no match for 'operator<' (operand types are 'const point' and 'const point') 408 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:67, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41: /usr/include/c++/12.2.1/bits/stl_iterator.h:579:5: note: candidate: 'template<class _IteratorL, class _IteratorR> requires three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&)' (reversed) 579 | operator<=>(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:579:5: note: template argument deduction/substitution failed: /usr/include/c++/12.2.1/bits/stl_function.h:408:20: note: 'const point' is not derived from 'const std::reverse_iterator<_IteratorL>' 408 | { return __x < __y; } | ~~~~^~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1668:5: note: candidate: 'template<class _IteratorL, class _IteratorR> requires three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' (reversed) 1668 | operator<=>(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1668:5: note: template argument deduction/substitution failed: /usr/include/c++/12.2.1/bits/stl_function.h:408:20: note: 'const point' is not derived from 'const std::move_iterator<_IteratorL>' 408 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:64: /usr/include/c++/12.2.1/bits/stl_pair.h:647:5: note: candidate: 'template<class _T1, class _T2> constexpr std::common_comparison_category_t<decltype (std::__detail::__synth3way(declval<_T1&>(), declval<_T1&>())), decltype (std::__detail::__synth3way(declval<_T2&>(), declval<_T2&>()))> std::operator<=>(const pair<_T1, _T2>&, const pair<_T1, _T2>&)' (rewritten) 647 | operator<=>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_pair.h:647:5: note: template argument deduction/substitution failed: /usr/include/c++/12.2.1/bits/stl_function.h:408:20: note: 'const point' is not derived from 'const std::pair<_T1, _T2>' Non zero exit status: 1