Uncaught Error: Call to a member function prepare() on null in C:\xampp\htdocs\facultate\CosCump\product.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\facultate\CosCump\product.php on line 5
opencv(4.4.0) c:\users\appveyor\appdata\local\temp\1\pip-req-build-71670poj\opencv\modules\imgproc\src\color.cpp:182: error: (-215:assertion failed) !_src.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++