perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:5:2: error: 'vector' was not declared in this scope
5 | vector<int> v;
| ^~~~~~
perm.cpp:5:2: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
from perm.h:1,
from perm.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 perm.h:1,
from perm.cpp:1:
/usr/include/c++/10/vector:86:13: note: 'std::pmr::vector'
86 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
| ^~~~~~
perm.cpp:5:9: error: expected primary-expression before 'int'
5 | vector<int> v;
| ^~~
perm.cpp:6:30: error: 'v' was not declared in this scope
6 | for(int i = k-1; i >=0; i--)v.push_back(i);
| ^
perm.cpp:7:9: error: 'v' was not declared in this scope
7 | return v;
| ^