opencv(4.5.1) c:\users\appveyor\appdata\local\temp\1\pip-req-build-kh7iq4w7\opencv\modules\imgproc\src\resize.cpp:4051: error: (-215:assertion failed) !ssize.empty() in function
function that, given the number of rows N and a list of reserved seats as string S returns the maximum of four-person families that can be seated in the remaining unreserved seats c++