molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:17:21: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
17 | vector <ll> V;
| ^~~~~~
| 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 molecules.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>
| ^~~~~~
molecules.cpp:17:31: error: expected primary-expression before '>' token
17 | vector <ll> V;
| ^
molecules.cpp:17:33: error: 'V' was not declared in this scope
17 | vector <ll> V;
| ^
molecules.cpp:23:21: error: 'reverse' was not declared in this scope; did you mean 'std::reverse'?
23 | reverse(V.begin(), V.end());
| ^~~~~~~
| std::reverse
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from molecules.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1165:5: note: 'std::reverse' declared here
1165 | reverse(_BidirectionalIterator __first, _BidirectionalIterator __last)
| ^~~~~~~
molecules.cpp:8:8: warning: unused variable 'd' [-Wunused-variable]
8 | ll d=0;
| ^