Eroare de compilare: In file included from /usr/include/c++/6/unordered_map:41:0, from main.cpp:3: /usr/include/c++/6/tuple: In instantiation of 'std::pair<_T1, _T2>::pair(std::tuple<_Args1 ...>&, std::tuple<_Args2 ...>&, std::_Index_tuple<_Indexes1 ...>, std::_Index_tuple<_Indexes2 ...>) [with _Args1 = {const int&}; long unsigned int ..._Indexes1 = {0ul}; _Args2 = {}; long unsigned int ..._Indexes2 = {}; _T1 = const int; _T2 = Info]': /usr/include/c++/6/tuple:1579:63: required from 'std::pair<_T1, _T2>::pair(std::piecewise_construct_t, std::tuple<_Args1 ...>, std::tuple<_Args2 ...>) [with _Args1 = {const int&}; _Args2 = {}; _T1 = const int; _T2 = Info]' /usr/include/c++/6/ext/new_allocator.h:120:4: required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<const int, Info>; _Args = {const std::piecewise_construct_t&, std::tuple<const int&>, std::tuple<>}; _Tp = std::pair<const int, Info>]' /usr/include/c++/6/bits/alloc_traits.h:475:4: required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<const int, Info>; _Args = {const std::piecewise_construct_t&, std::tuple<const int&>, std::tuple<>}; _Tp = std::pair<const int, Info>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<const int, Info> >]' /usr/include/c++/6/bits/hashtable_policy.h:1953:37: required from 'std::__detail::_Hashtable_alloc<_NodeAlloc>::__node_type* std::__detail::_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<const int&>, std::tuple<>}; _NodeAlloc = std::allocator<std::__detail::_Hash_node<std::pair<const int, Info>, false> >; std::__detail::_Hashtable_alloc<_NodeAlloc>::__node_type = std::__detail::_Hash_node<std::pair<const int, Info>, false>]' /usr/include/c++/6/bits/hashtable_policy.h:595:8: required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::operator[](const key_type&) [with _Key = int; _Pair = std::pair<const int, Info>; _Alloc = std::allocator<std::pair<const int, Info> >; _Equal = std::equal_to<int>; _H1 = std::hash<int>; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<false, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type = Info; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::key_type = int]' /usr/include/c++/6/bits/unordered_map.h:904:20: required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = Info; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, Info> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = Info; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = int]' main.cpp:28:13: required from here /usr/include/c++/6/tuple:1590:70: error: no matching function for call to 'Info::Info()' second(std::forward<_Args2>(std::get<_Indexes2>(__tuple2))...) ^ main.cpp:11:2: note: candidate: Info::Info(int, int, int) Info(int x,int y,int z) : x(x), y(y), z(z) {} ^~~~ main.cpp:11:2: note: candidate expects 3 arguments, 0 provided main.cpp:9:8: note: candidate: constexpr Info::Info(const Info&) struct Info { ^~~~ main.cpp:9:8: note: candidate expects 1 argument, 0 provided main.cpp:9:8: note: candidate: constexpr Info::Info(Info&&) main.cpp:9:8: note: candidate expects 1 argument, 0 provided In file included from /usr/include/c++/6/unordered_map:41:0, from main.cpp:3: /usr/include/c++/6/tuple: In instantiation of 'std::pair<_T1, _T2>::pair(std::tuple<_Args1 ...>&, std::tuple<_Args2 ...>&, std::_Index_tuple<_Indexes1 ...>, std::_Index_tuple<_Indexes2 ...>) [with _Args1 = {int&&}; long unsigned int ..._Indexes1 = {0ul}; _Args2 = {}; long unsigned int ..._Indexes2 = {}; _T1 = const int; _T2 = Info]': /usr/include/c++/6/tuple:1579:63: required from 'std::pair<_T1, _T2>::pair(std::piecewise_construct_t, std::tuple<_Args1 ...>, std::tuple<_Args2 ...>) [with _Args1 = {int&&}; _Args2 = {}; _T1 = const int; _T2 = Info]' /usr/include/c++/6/ext/new_allocator.h:120:4: required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<const int, Info>; _Args = {const std::piecewise_construct_t&, std::tuple<int&&>, std::tuple<>}; _Tp = std::pair<const int, Info>]' /usr/include/c++/6/bits/alloc_traits.h:475:4: required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<const int, Info>; _Args = {const std::piecewise_construct_t&, std::tuple<int&&>, std::tuple<>}; _Tp = std::pair<const int, Info>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<const int, Info> >]' /usr/include/c++/6/bits/hashtable_policy.h:1953:37: required from 'std::__detail::_Hashtable_alloc<_NodeAlloc>::__node_type* std::__detail::_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<int&&>, std::tuple<>}; _NodeAlloc = std::allocator<std::__detail::_Hash_node<std::pair<const int, Info>, false> >; std::__detail::_Hashtable_alloc<_NodeAlloc>::__node_type = std::__detail::_Hash_node<std::pair<const int, Info>, false>]' /usr/include/c++/6/bits/hashtable_policy.h:620:8: required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::operator[](std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::key_type&&) [with _Key = int; _Pair = std::pair<const int, Info>; _Alloc = std::allocator<std::pair<const int, Info> >; _Equal = std::equal_to<int>; _H1 = std::hash<int>; _H2 = std::__detail::_Mod_range_hashing; _Hash = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<false, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::mapped_type = Info; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _H1, _H2, _Hash, _RehashPolicy, _Traits, true>::key_type = int]' /usr/include/c++/6/bits/unordered_map.h:908:20: required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type&&) [with _Key = int; _Tp = Info; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, Info> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = Info; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = int]' main.cpp:30:29: required from here /usr/include/c++/6/tuple:1590:70: error: no matching function for call to 'Info::Info()' second(std::forward<_Args2>(std::get<_Indexes2>(__tuple2))...) ^ main.cpp:11:2: note: candidate: Info::Info(int, int, int) Info(int x,int y,int z) : x(x), y(y), z(z) {} ^~~~ main.cpp:11:2: note: candidate expects 3 arguments, 0 provided main.cpp:9:8: note: candidate: constexpr Info::Info(const Info&) struct Info { ^~~~ main.cpp:9:8: note: candidate expects 1 argument, 0 provided main.cpp:9:8: note: candidate: constexpr Info::Info(Info&&) main.cpp:9:8: note: candidate expects 1 argument, 0 provided Non zero exit status: 1