diff options
Diffstat (limited to 'prolog/problems/sorting/slowest_sort_ever_2/common.py')
| -rw-r--r-- | prolog/problems/sorting/slowest_sort_ever_2/common.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/prolog/problems/sorting/slowest_sort_ever_2/common.py b/prolog/problems/sorting/slowest_sort_ever_2/common.py new file mode 100644 index 0000000..5f4c283 --- /dev/null +++ b/prolog/problems/sorting/slowest_sort_ever_2/common.py @@ -0,0 +1,25 @@ +id = 126 +group = 'sorting' +number = 33 +visible = True +facts = None + +solution = '''\ +del126(X, [X|T], T). +del126(X, [Y|T], [Y|L]) :- + del126(X, T, L). + +permute126([], []). +permute126(L, [X|P]) :- + del126(X, L, L1), + permute126(L1, P). + +is_sorted126([_]). +is_sorted126([H1,H2|T]) :- + H1 =< H2, + is_sorted126([H2|T]). + +slowest_sort_ever(L, S) :- + permute126(L, S), + is_sorted126(S). +''' |