8 lines
231 B
Prolog
8 lines
231 B
Prolog
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bubbleup([X, Y|L], [Y, X|L]) :- X > Y.
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bubbleup([Z|L], [Z|ZL]) :- bubbleup(L, ZL).
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bubblesort([], []).
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bubblesort(L, SL) :- bubbleup(L, ZL), !, bubblesort(ZL, SL).
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bubblesort(SL, SL).
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?-bubblesort([7,9,1,2,3,6,4,5,8,0], SL).
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