meetings.cpp: In function 'void calc(std::vector<int>)':
meetings.cpp:14:12: error: 'Query' was not declared in this scope
14 | if(Query(a, b, v[i])==v[i])
| ^~~~~
meetings.cpp: In lambda function:
meetings.cpp:19:16: error: 'Query' was not declared in this scope
19 | return Query(a, x, y)==x;
| ^~~~~
meetings.cpp: In function 'void calc(std::vector<int>)':
meetings.cpp:22:9: error: 'Bridge' was not declared in this scope
22 | Bridge(min(path[i], path[i+1]), max(path[i], path[i+1]));
| ^~~~~~
meetings.cpp:27:15: error: 'Query' was not declared in this scope
27 | stuff[Query(a, b, v[i])].push_back(v[i]);
| ^~~~~