shoes.cpp:4:22: error: 'vector' was not declared in this scope
4 | long long count_swap(vector<int>nums)
| ^~~~~~
shoes.cpp:4:22: note: suggested alternatives:
In file included from /usr/include/c++/13/vector:66,
from /usr/include/c++/13/functional:64,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53,
from shoes.cpp:2:
/usr/include/c++/13/bits/stl_vector.h:428:11: note: 'std::vector'
428 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
/usr/include/c++/13/vector:86:13: note: 'std::pmr::vector'
86 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
| ^~~~~~
shoes.cpp:4:29: error: expected primary-expression before 'int'
4 | long long count_swap(vector<int>nums)
| ^~~