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manhlab
2021-04-07 19:25:18 -04:00
parent fda7245f7c
commit 436de2efd6
8576 changed files with 1013325 additions and 3 deletions

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mergesort([],[]). % special case
mergesort([A],[A]).
mergesort([A,B|R],S) :-
split([A,B|R],L1,L2),
mergesort(L1,S1),
mergesort(L2,S2),
merge(S1,S2,S).
split([],[],[]).
split([A],[A],[]).
split([A,B|R],[A|Ra],[B|Rb]) :- split(R,Ra,Rb).