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

2 files changed, 27 insertions, 0 deletions

diff --git a/prolog/problems/sorting/is_sorted_1/common.py b/prolog/problems/sorting/is_sorted_1/common.py
new file mode 100644
index 0000000..2feb134
--- /dev/null
+++ b/prolog/problems/sorting/is_sorted_1/common.py
@@ -0,0 +1,13 @@
+id = 121
+group = 'sorting'
+number = 28
+visible = True
+facts = None
+
+solution = '''\
+is_sorted([]).
+is_sorted([_]).
+is_sorted([H1,H2|T]) :-
+  H1 =< H2,
+  is_sorted([H2|T]).
+'''
diff --git a/prolog/problems/sorting/is_sorted_1/en.py b/prolog/problems/sorting/is_sorted_1/en.py
new file mode 100644
index 0000000..c4bd025
--- /dev/null
+++ b/prolog/problems/sorting/is_sorted_1/en.py
@@ -0,0 +1,14 @@
+id = 121
+name = 'is_sorted/1'
+slug = 'check if list is sorted'
+
+description = '''\
+<p><code>is_sorted(L)</code>: the elements of list <code>L</code> are sorted in non-decreasing order.</p>
+<pre>
+  ?- is_sorted([2,3,6,8,12]).
+    true.
+  ?- is_sorted([2,3,1,6,5]).
+    false.
+</pre>'''
+
+hint = {}