From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= Date: Tue, 18 Aug 2015 16:06:19 +0200 Subject: Exported all problems from the SQLite database into the new directory structure. --- prolog/problems/clp_fd/magic_1/en.py | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 prolog/problems/clp_fd/magic_1/en.py (limited to 'prolog/problems/clp_fd/magic_1/en.py') diff --git a/prolog/problems/clp_fd/magic_1/en.py b/prolog/problems/clp_fd/magic_1/en.py new file mode 100644 index 0000000..6fcf252 --- /dev/null +++ b/prolog/problems/clp_fd/magic_1/en.py @@ -0,0 +1,13 @@ +id = 151 +name = 'magic/1' +slug = 'generate a 3x3 magic square' + +description = '''\ +

magic(S): the list S represents a 3×3 magic square (S is a permutation of numbers 1 to 9 - three numbers for each row). The sums of numbers in each row, column and diagonal of a magic squre are equal. Implement this predicate using constraints. Your code should return all possible solutions.

+
+  ?- magic(S).
+    S = [2, 7, 6, 9, 5, 1, 4, 3, 8] ;
+    …
+
''' + +hint = {} -- cgit v1.2.1