From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 18 Aug 2015 16:06:19 +0200
Subject: Exported all problems from the SQLite database into the new directory
 structure.

---
 prolog/problems/lists/permute_2/common.py | 15 +++++++++++++++
 prolog/problems/lists/permute_2/en.py     | 17 +++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 prolog/problems/lists/permute_2/common.py
 create mode 100644 prolog/problems/lists/permute_2/en.py

(limited to 'prolog/problems/lists/permute_2')

diff --git a/prolog/problems/lists/permute_2/common.py b/prolog/problems/lists/permute_2/common.py
new file mode 100644
index 0000000..8e0386c
--- /dev/null
+++ b/prolog/problems/lists/permute_2/common.py
@@ -0,0 +1,15 @@
+id = 107
+group = 'lists'
+number = 14
+visible = True
+facts = None
+
+solution = '''\
+del107(X, [X|T], T).
+del107(X, [Y|T], [Y|L]) :-
+  del107(X, T, L).
+permute([], []).
+permute(L, [X|P]) :-
+  del107(X, L, L1),
+  permute(L1, P).
+'''
diff --git a/prolog/problems/lists/permute_2/en.py b/prolog/problems/lists/permute_2/en.py
new file mode 100644
index 0000000..8898c83
--- /dev/null
+++ b/prolog/problems/lists/permute_2/en.py
@@ -0,0 +1,17 @@
+id = 107
+name = 'permute/2'
+slug = 'generate permutations of a list'
+
+description = '''\
+<p><code>permute(L1, L2)</code>: the list <code>L2</code> is a permutation of the elements of the list <code>L1</code>.</p>
+<pre>
+  ?- permute([1,2,3], L).
+    L = [1,2,3] ;
+    L = [1,3,2] ;
+    L = [2,1,3] ;
+    L = [2,3,1] ;
+    L = [3,1,2] ;
+    L = [3,2,1].
+</pre>'''
+
+hint = {}
-- 
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