Eroare de compilare: main.cpp: In lambda function: main.cpp:103:25: error: no matching function for call to 'get<2>(std::tuple<int, int, int>&)' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/string:50, 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:2: /usr/include/c++/12.2.1/bits/stl_pair.h:855:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)' 855 | get(pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:855:5: note: template argument deduction/substitution failed: main.cpp:103:25: note: 'std::tuple<int, int, int>' is not derived from 'std::pair<_Tp1, _Tp2>' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:860:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(pair<_Tp1, _Tp2>&&)' 860 | get(pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:860:5: note: template argument deduction/substitution failed: main.cpp:103:25: note: 'std::tuple<int, int, int>' is not derived from 'std::pair<_Tp1, _Tp2>' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:865:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const pair<_Tp1, _Tp2>&)' 865 | get(const pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:865:5: note: template argument deduction/substitution failed: main.cpp:103:25: note: 'std::tuple<int, int, int>' is not derived from 'const std::pair<_Tp1, _Tp2>' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:870:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const pair<_Tp1, _Tp2>&&)' 870 | get(const pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:870:5: note: template argument deduction/substitution failed: main.cpp:103:25: note: 'std::tuple<int, int, int>' is not derived from 'const std::pair<_Tp1, _Tp2>' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:879:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)' 879 | get(pair<_Tp, _Up>& __p) noexcept | ^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:879:5: note: template argument deduction/substitution failed: main.cpp:103:25: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)' 103 | { return get<2>(b) - get<2>(a); }); | ~~~~~~^~~ main.cpp:103:25: note: expected a type, got '2' /usr/include/c++/12.2.1/bits/stl_pair.h:884:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_T1, _T2>&)' 884 | get(const pair<_Tp, _Up>& __p) noexcept Non zero exit status: 1