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/dup_2/common.py | 11 +++++++++++
 prolog/problems/lists/dup_2/en.py     | 14 ++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 prolog/problems/lists/dup_2/common.py
 create mode 100644 prolog/problems/lists/dup_2/en.py

(limited to 'prolog/problems/lists/dup_2')

diff --git a/prolog/problems/lists/dup_2/common.py b/prolog/problems/lists/dup_2/common.py
new file mode 100644
index 0000000..37a0842
--- /dev/null
+++ b/prolog/problems/lists/dup_2/common.py
@@ -0,0 +1,11 @@
+id = 110
+group = 'lists'
+number = 17
+visible = True
+facts = None
+
+solution = '''\
+dup([], []).
+dup([H|T], [H,H|TT]) :-
+  dup(T, TT).
+'''
diff --git a/prolog/problems/lists/dup_2/en.py b/prolog/problems/lists/dup_2/en.py
new file mode 100644
index 0000000..d6aef71
--- /dev/null
+++ b/prolog/problems/lists/dup_2/en.py
@@ -0,0 +1,14 @@
+id = 110
+name = 'dup/2'
+slug = 'duplicate the elements of a list'
+
+description = '''\
+<p><code>dup(L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by duplicating every element.</p>
+<pre>
+  ?- dup([1,2], X).
+    X = [1,1,2,2].
+  ?- dup([1,2,3], X).
+    X = [1,1,2,2,3,3].
+</pre>'''
+
+hint = {}
-- 
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