In file included from /usr/include/c++/10/numeric:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:84,
from radio.cpp:2:
/usr/include/c++/10/bits/stl_numeric.h: In instantiation of 'void std::iota(_ForwardIterator, _ForwardIterator, _Tp) [with _ForwardIterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; _Tp = solve()::<lambda(int, int)>]':
radio.cpp:13:6: required from here
/usr/include/c++/10/bits/stl_numeric.h:99:15: error: cannot convert 'solve()::<lambda(int, int)>' to 'int' in assignment
99 | *__first = __value;
| ^~~~~~~
| |
| solve()::<lambda(int, int)>
/usr/include/c++/10/bits/stl_numeric.h:100:4: error: no match for 'operator++' (operand type is 'solve()::<lambda(int, int)>')
100 | ++__value;
| ^~~~~~~~~