art.cpp: In function 'void solve(int)':
art.cpp:6:2: error: 'vector' was not declared in this scope
6 | vector<int> v[4005];
| ^~~~~~
art.cpp:6:2: 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:6:9: error: expected primary-expression before 'int'
6 | vector<int> v[4005];
| ^~~
art.cpp:9:3: error: 'v' was not declared in this scope
9 | v[i].clear();
| ^
art.cpp:16:9: error: expected primary-expression before 'int'
16 | vector<int> sol;
| ^~~
art.cpp:25:5: error: 'sol' was not declared in this scope
25 | sol.push_back(j+1);
| ^~~
art.cpp:47:5: error: 'sol' was not declared in this scope
47 | sol.push_back(n);
| ^~~
art.cpp:58:19: error: 'sol' was not declared in this scope
58 | if (a[i] != -1) sol.push_back(i);
| ^~~
art.cpp:60:9: error: 'sol' was not declared in this scope
60 | answer(sol);
| ^~~
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) {
| ~~~~~~~~~^~~~