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authorAleš Smodiš <aless@guru.si>2015-08-18 16:06:19 +0200
committerAleš Smodiš <aless@guru.si>2015-08-18 16:06:19 +0200
commit95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 (patch)
tree462ba05eb0c4732ca1c97739548801258bf47b40 /prolog/problems/sets/union_3/common.py
Exported all problems from the SQLite database into the new directory structure.
Diffstat (limited to 'prolog/problems/sets/union_3/common.py')
-rw-r--r--prolog/problems/sets/union_3/common.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/prolog/problems/sets/union_3/common.py b/prolog/problems/sets/union_3/common.py
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+++ b/prolog/problems/sets/union_3/common.py
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+id = 128
+group = 'sets'
+number = 35
+visible = True
+facts = None
+
+solution = '''\
+memb128(X, [X|_]).
+memb128(X, [_|T]) :-
+ memb128(X, T).
+
+union([], S2, S2).
+union([H|T], S2, [H|U]) :-
+ \+ memb128(H, S2),
+ union(T, S2, U).
+union([H|T], S2, U) :-
+ memb128(H, S2),
+ union(T, S2, U).
+'''