Created
December 13, 2012 17:03
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Duplicate the elements of a list a given number of times.
Example:
?- dupli([a,b,c],3,X).
X = [a,a,a,b,b,b,c,c,c]
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| appendlist([], X, X). | |
| appendlist([H|T], L1, [H|L2]) :- appendlist(T, L1, L2). | |
| dupli([], M, []) :-!. | |
| dupli([X], 1, [X]) :-!. | |
| dupli([X], M, [X|L]) :- N is M - 1, dupli([X], N, L), !. | |
| dupli([H|T], M, L1) :- dupli([H], M, H1), dupli(T, M, T1), appendlist(H1, T1, L1), !. |
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