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start :-
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input(Input),
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maplist(predict, Input, Ps),
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sum_list(Ps, Answer),
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writef('Answer=%t\n', [Answer]).
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predict(L, 0) :- maplist(=:=(0), L), !.
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predict(L, X) :-
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foldl([Li1, Li2, C, D]>>(Li2 is Li1 - C, D = Li1), L, [_ | NewL], 0, _),
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predict(NewL, SubX),
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2023-12-09 01:28:47 -06:00
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L = [L1 | _], X is L1 - SubX.
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