How can I implement this easily?

While (W is not empty)

Select S ∈ F \ C that maximize | S ∩ W|

C <-- C ∪ {S}

W <-- W \ {S}

end

retrun C

How do i implement this , we know that W and S are cell array.

like that

W= {[1 2], [1 3],[1 4], [2 3] , [2 4],[3 5]}

S=5×3 cell array

[1×2 double] [1×2 double] [1×2 double]

[1×2 double] [1×2 double] [1×2 double]

[1×2 double] [1×2 double] [1×2 double]

[1×2 double] [1×2 double] []

[1×2 double] [] []