Exported all problems from the SQLite database into the new directory structure.

2 files changed, 25 insertions, 0 deletions

diff --git a/prolog/problems/lists/conc_3/common.py b/prolog/problems/lists/conc_3/common.py
new file mode 100644
index 0000000..29a3919
--- /dev/null
+++ b/prolog/problems/lists/conc_3/common.py
@@ -0,0 +1,11 @@
+id = 104
+group = 'lists'
+number = 12
+visible = True
+facts = None
+
+solution = '''\
+conc([], L, L).
+conc([H|T], L2, [H|L]) :-
+  conc(T, L2, L).
+'''
diff --git a/prolog/problems/lists/conc_3/en.py b/prolog/problems/lists/conc_3/en.py
new file mode 100644
index 0000000..3e127c0
--- /dev/null
+++ b/prolog/problems/lists/conc_3/en.py
@@ -0,0 +1,14 @@
+id = 104
+name = 'conc/3'
+slug = 'concatenate two lists'
+
+description = '''\
+<p><code>conc(L1, L2, L)</code>: the list <code>L</code> is obtained by appending the elements of <code>L2</code> to <code>L1</code>.</p>
+<pre>
+  ?- conc([1,2], [3,4], X).
+    X = [1,2,3,4].
+  ?- conc(X, [], [1,2,3]).
+    X = [1,2,3].
+</pre>'''
+
+hint = {}