books.cpp: In function 'void answerik(std::set<long long int>)':
books.cpp:40:5: error: 'answer' was not declared in this scope; did you mean 'answerik'?
40 | answer(res);
| ^~~~~~
| answerik
books.cpp: In function 'void solve(ll, ll, ll, ll)':
books.cpp:49:16: error: 'skim' was not declared in this scope
49 | ll x = skim(m);
| ^~~~
books.cpp:57:9: error: 'impossible' was not declared in this scope
57 | impossible();
| ^~~~~~~~~~
books.cpp:65:20: error: 'skim' was not declared in this scope
65 | ll x = skim(curi);
| ^~~~
books.cpp:78:20: error: 'skim' was not declared in this scope
78 | ll x = skim(curi);
| ^~~~
books.cpp:88:9: error: 'impossible' was not declared in this scope
88 | impossible();
| ^~~~~~~~~~
books.cpp:108:40: error: no matching function for call to 'max(int, ll)'
108 | for (ll i = max(1, left - 1); i < right; i++) {
| ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from books.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
254 | max(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed:
books.cpp:108:40: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
108 | for (ll i = max(1, left - 1); i < right; i++) {
| ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from books.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed:
books.cpp:108:40: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
108 | for (ll i = max(1, left - 1); i < right; i++) {
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from books.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
3480 | max(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: template argument deduction/substitution failed:
books.cpp:108:40: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
108 | for (ll i = max(1, left - 1); i < right; i++) {
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from books.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
3486 | max(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: template argument deduction/substitution failed:
books.cpp:108:40: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
108 | for (ll i = max(1, left - 1); i < right; i++) {
| ^
books.cpp:110:28: error: 'skim' was not declared in this scope
110 | ll x = skim(i);
| ^~~~
books.cpp:131:17: error: 'impossible' was not declared in this scope
131 | impossible();
| ^~~~~~~~~~
books.cpp:143:28: error: 'skim' was not declared in this scope
143 | ll x = skim(i);
| ^~~~
books.cpp:164:17: error: 'impossible' was not declared in this scope
164 | impossible();
| ^~~~~~~~~~