minerals.cpp: In function 'void Solve(int)':
minerals.cpp:7:5: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
7 | vector<int> done(2*n, 0);
| ^~~~~~
| std::vector
In file included from /usr/include/c++/10/vector:67,
from /usr/include/c++/10/queue:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
from minerals.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
389 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
minerals.cpp:7:12: error: expected primary-expression before 'int'
7 | vector<int> done(2*n, 0);
| ^~~
minerals.cpp:9:12: error: 'done' was not declared in this scope
9 | if(done[c1] == 0){
| ^~~~