Eroare de compilare: user.cpp:60:72: error: template declaration of ‘constexpr const std::array<int, sizeof (I ...)> buildStirling1’ static constexpr std::array< int, sizeof...(I) > buildStirling1( std::index_sequence<I...> seq ) ^ user.cpp:60:67: error: ‘index_sequence’ is not a member of ‘std’ static constexpr std::array< int, sizeof...(I) > buildStirling1( std::index_sequence<I...> seq ) ^ user.cpp:68:47: error: ‘make_index_sequence’ is not a member of ‘std’ static constexpr auto value = buildStirling1(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp:68:97: error: expected primary-expression before ‘{’ token static constexpr auto value = buildStirling1(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp:68:99: error: there are no arguments to ‘buildStirling1’ that depend on a template parameter, so a declaration of ‘buildStirling1’ must be available [-fpermissive] static constexpr auto value = buildStirling1(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp:68:99: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated) user.cpp:101:72: error: template declaration of ‘constexpr const std::array<int, sizeof (I ...)> buildStirling2’ static constexpr std::array< int, sizeof...(I) > buildStirling2( std::index_sequence<I...> seq ) ^ user.cpp:101:67: error: ‘index_sequence’ is not a member of ‘std’ static constexpr std::array< int, sizeof...(I) > buildStirling2( std::index_sequence<I...> seq ) ^ user.cpp:109:47: error: ‘make_index_sequence’ is not a member of ‘std’ static constexpr auto value = buildStirling2(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp:109:97: error: expected primary-expression before ‘{’ token static constexpr auto value = buildStirling2(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp:109:99: error: there are no arguments to ‘buildStirling2’ that depend on a template parameter, so a declaration of ‘buildStirling2’ must be available [-fpermissive] static constexpr auto value = buildStirling2(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp: In instantiation of ‘constexpr const auto AllStirling1<200, 200>::value’: user.cpp:68:24: required from ‘struct AllStirling1<200, 200>’ user.cpp:114:44: required from here user.cpp:68:99: error: ‘buildStirling1’ was not declared in this scope static constexpr auto value = buildStirling1(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp: In instantiation of ‘constexpr<typeprefixerror> AllStirling1<200, 200>::value’: user.cpp:114:46: required from here user.cpp:68:99: error: ‘buildStirling1’ was not declared in this scope user.cpp: In instantiation of ‘constexpr<typeprefixerror> AllStirling1<200, 200>::value’: user.cpp:114:46: required from here user.cpp:68:99: error: ‘buildStirling1’ was not declared in this scope user.cpp: In instantiation of ‘constexpr const auto AllStirling2<200, 200>::value’: user.cpp:109:24: required from ‘struct AllStirling2<200, 200>’ user.cpp:115:44: required from here user.cpp:109:99: error: ‘buildStirling2’ was not declared in this scope static constexpr auto value = buildStirling2(std::make_index_sequence<MAXIMUMN*MAXM + MAXIMUMM>{}); ^ user.cpp: In instantiation of ‘constexpr<typeprefixerror> AllStirling2<200, 200>::value’: