challenges/e1.pl

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2011-04-01 00:32:48 +02:00
range(End, End, []) .
range(Start, End, [Start| Acc]) :- Next is Start + 1, range(Next, End, Acc).
divisors_3_5([], []).
divisors_3_5([X|Xs], [X|Ys]) :- 0 is X rem 3, divisors_3_5(Xs, Ys).
divisors_3_5([X|Xs], [X|Ys]) :- 0 is X rem 5, divisors_3_5(Xs, Ys).
divisors_3_5([X|Xs], Ys]) :- divisors_3_5(Xs, Ys).