art.cpp: In function 'void solve(int)':
art.cpp:4:7: error: 'vector' was not declared in this scope
4 | vector<int> ans(n);
| ^~~~~~
art.cpp:4:7: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
from art.h:1,
from art.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector'
389 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
In file included from art.h:1,
from art.cpp:1:
/usr/include/c++/10/vector:86:13: note: 'std::pmr::vector'
86 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
| ^~~~~~
art.cpp:4:14: error: expected primary-expression before 'int'
4 | vector<int> ans(n);
| ^~~
art.cpp:6:20: error: expected primary-expression before 'int'
6 | vector<int> v;
| ^~~
art.cpp:8:30: error: 'v' was not declared in this scope
8 | if(i != j) v.push_back(j);
| ^
art.cpp:10:13: error: 'v' was not declared in this scope
10 | v.push_back(i);
| ^
art.cpp:12:13: error: 'ans' was not declared in this scope
12 | ans[n - x - 1] = i;
| ^~~
art.cpp:14:14: error: 'ans' was not declared in this scope
14 | answer(ans);
| ^~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
20 | if(v.size() != N) {
| ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
36 | if(v.size() != N) {
| ~~~~~~~~~^~~~