Eroare de compilare: main.cpp:15:12: error: template argument 1 is invalid 15 | vector<data>g[NMAX + 5]; | ^ main.cpp:15:12: error: template argument 2 is invalid main.cpp: In function 'bool check(int)': main.cpp:25:22: error: request for member 'size' in 'g[v]', which is of non-class type 'int' 25 | if (int(g[v].size()) % 2 == 1) | ^~~~ main.cpp: At global scope: main.cpp:34:19: error: reference to 'data' is ambiguous 34 | void lant (int u, data d) | ^~~~ 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/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/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:8:8: note: 'struct data' 8 | struct data | ^~~~ main.cpp:34:19: error: 'data' has not been declared 34 | void lant (int u, data d) | ^~~~ main.cpp: In function 'void lant(int, int)': main.cpp:36:18: error: request for member 'empty' in 'g[u]', which is of non-class type 'int' 36 | while (!g[u].empty()) | ^~~~~ main.cpp:38:23: error: request for member 'back' in 'g[u]', which is of non-class type 'int' 38 | auto x = g[u].back(); | ^~~~ main.cpp:39:14: error: request for member 'pop_back' in 'g[u]', which is of non-class type 'int' 39 | g[u].pop_back(); | ^~~~~~~~ Non zero exit status: 1