art.cpp: In function 'void solve(int)':
art.cpp:10:5: error: 'vector' was not declared in this scope
10 | vector<int>v;
| ^~~~~~
art.cpp:10:12: error: expected primary-expression before 'int'
10 | vector<int>v;
| ^~~
art.cpp:12:9: error: 'v' was not declared in this scope
12 | v.push_back(i);
| ^
art.cpp:16:19: error: 'v' was not declared in this scope
16 | h=publish(v);
| ^
art.cpp:16:11: error: 'publish' was not declared in this scope
16 | h=publish(v);
| ^~~~~~~
art.cpp:18:13: error: 'answer' was not declared in this scope
18 | answer(v);
| ^~~~~~
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) {
| ~~~~~~~~~^~~~