diff options
Diffstat (limited to 'prolog/problems/sorting/quick_sort_2/common.py')
| -rw-r--r-- | prolog/problems/sorting/quick_sort_2/common.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/prolog/problems/sorting/quick_sort_2/common.py b/prolog/problems/sorting/quick_sort_2/common.py new file mode 100644 index 0000000..5eff940 --- /dev/null +++ b/prolog/problems/sorting/quick_sort_2/common.py @@ -0,0 +1,24 @@ +id = 125 +group = 'sorting' +number = 32 +visible = True +facts = None + +solution = '''\ +conc125([], L, L). +conc125([H|T], L2, [H|L]) :- + conc125(T, L2, L). +pivoting125(_, [], [], []). +pivoting125(P, [H|T], [H|S], G) :- + H =< P, + pivoting125(P, T, S, G). +pivoting125(P, [H|T], S, [H|G]) :- + H > P, + pivoting125(P, T, S, G). +quick_sort([], []). +quick_sort([Pivot|T], Sorted) :- + pivoting125(Pivot, T, Smaller, Greater), + quick_sort(Smaller, SortedSmaller), + quick_sort(Greater, SortedGreater), + conc125(SortedSmaller, [Pivot|SortedGreater], Sorted). +''' |