password.cpp: In function 'std::string guess(int, int)':
password.cpp:13:20: error: 'query' was not declared in this scope
13 | vc.pb({query(t),t});
| ^~~~~
password.cpp:13:18: error: no matching function for call to 'std::vector<std::pair<int, std::__cxx11::basic_string<char> > >::push_back(<brace-enclosed initializer list>)'
13 | vc.pb({query(t),t});
| ~~~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/13/vector:66,
from /usr/include/c++/13/functional:64,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53,
from password.cpp:1:
/usr/include/c++/13/bits/stl_vector.h:1281:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<int, std::__cxx11::basic_string<char> > >; value_type = std::pair<int, std::__cxx11::basic_string<char> >]'
1281 | push_back(const value_type& __x)
| ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1281:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::vector<std::pair<int, std::__cxx11::basic_string<char> > >::value_type&' {aka 'const std::pair<int, std::__cxx11::basic_string<char> >&'}
1281 | push_back(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:1298:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::pair<int, std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<int, std::__cxx11::basic_string<char> > >; value_type = std::pair<int, std::__cxx11::basic_string<char> >]'
1298 | push_back(value_type&& __x)
| ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1298:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<int, std::__cxx11::basic_string<char> > >::value_type&&' {aka 'std::pair<int, std::__cxx11::basic_string<char> >&&'}
1298 | push_back(value_type&& __x)
| ~~~~~~~~~~~~~^~~