rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:38:13: error: no match for 'operator=' (operand types are 'std::vector<std::vector<long long int> >' and 'std::vector<std::vector<int> >')
floodfill=X;
^
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
from rect.cpp:1:
/usr/include/c++/7/bits/vector.tcc:179:5: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:179:5: note: no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'const std::vector<std::vector<long long int> >&'
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
from rect.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:461:7: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
^~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:461:7: note: no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'std::vector<std::vector<long long int> >&&'
/usr/include/c++/7/bits/stl_vector.h:482:7: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
operator=(initializer_list<value_type> __l)
^~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:482:7: note: no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'std::initializer_list<std::vector<long long int> >'