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

2 files changed, 25 insertions, 0 deletions

diff --git a/prolog/problems/dcg/number_proper_2/common.py b/prolog/problems/dcg/number_proper_2/common.py
new file mode 100644
index 0000000..fdcc494
--- /dev/null
+++ b/prolog/problems/dcg/number_proper_2/common.py
@@ -0,0 +1,16 @@
+id = 166
+group = 'dcg'
+number = 73
+visible = True
+facts = None
+
+solution = '''\
+number_proper --> digit166.
+number_proper --> nzdigit166, num_next166.
+
+num_next166 --> digit166.
+num_next166 --> digit166, num_next166.
+
+digit166 --> ([0] ; [1] ; [2] ; [3] ; [4] ; [5] ; [6] ; [7] ; [8] ; [9]).
+nzdigit166 --> ([1] ; [2] ; [3] ; [4] ; [5] ; [6] ; [7] ; [8] ; [9]).
+'''
diff --git a/prolog/problems/dcg/number_proper_2/en.py b/prolog/problems/dcg/number_proper_2/en.py
new file mode 100644
index 0000000..37ad864
--- /dev/null
+++ b/prolog/problems/dcg/number_proper_2/en.py
@@ -0,0 +1,9 @@
+id = 166
+name = 'number_proper/2'
+slug = 'numbers without leading zeros'
+
+description = '''\
+<p>Write a DCG with the starting symbol <code>number_proper</code> for the language of non-negative integers. The numbers should <em>not</em> contain leading zeros.</p>
+<p>Example words: <code>123</code>, <code>54</code>, <code>122</code>, <code>1221</code>, <code>0</code>.</p>'''
+
+hint = {}