How to construct a list in Prolog? -


let's want construct list 10 elements each elements can 0 or 1 or 2. have 2 lists list1 , list2, positions of 1 , 2. how can construct whole list using function this:

construct(list1,list2,l). 

example:

input:

construct([1,3,5],[8],l) 

output:

l = [1,0,1,0,1,0,0,2,0,0] 

what

constructh(top, top, _, _, []).  constructh(num, top, l1, l2, [1 | ho]) :-   num < top,   member(num, l1),   np1 num+1,   constructh(np1, top, l1, l2, ho).  constructh(num, top, l1, l2, [2 | ho]) :-   num < top,   member(num, l2),   np1 num+1,   constructh(np1, top, l1, l2, ho).  constructh(num, top, l1, l2, [0 | ho]) :-   num < top,   \+ member(num, l1),   \+ member(num, l2),   np1 num+1,   constructh(np1, top, l1, l2, ho).   construct(list1, list2, lout) :-   constructh(1, 11, list1, list2, lout). 

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