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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/family_relations/connected_3/common.py
Exported all problems from the SQLite database into the new directory structure.
Diffstat (limited to 'prolog/problems/family_relations/connected_3/common.py')
-rw-r--r--prolog/problems/family_relations/connected_3/common.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/prolog/problems/family_relations/connected_3/common.py b/prolog/problems/family_relations/connected_3/common.py
new file mode 100644
index 0000000..9a68d36
--- /dev/null
+++ b/prolog/problems/family_relations/connected_3/common.py
@@ -0,0 +1,16 @@
+id = 102
+group = 'family_relations'
+number = 9
+visible = True
+facts = 'family_relations'
+
+solution = '''\
+connected(X, X, _).
+connected(X, Y, N) :-
+ N > 0,
+ N1 is N - 1,
+ ( parent(X, Z)
+ ;
+ parent(Z, X) ),
+ connected(Z, Y, N1).
+'''